Review Category : Activities

Science Through Literature in Inner City Schools

It was very exciting – and a little intimidating – to be invited to spend a day at an inner-city high school in Los Angeles.  I have spent over a decade developing and promoting an interdisciplinary approach to teaching core concepts in science and mathematics; throwing out the traditional text and replacing it with science fiction literature instead.  Clinical studies have shown that the science through literature program succeeds with ESL and ‘at-risk’ students – would it work as effectively in an inner-city school where many students read far below grade level, and the majority of the student body are ESL students?

My goals for the day were relatively straightforward.

  1. To present an interdisciplinary science and literature lesson in a reading class. (2 hr block)
  2. To demonstrate that an interdisciplinary lesson engages everyone in the classroom in active learning across multiple core areas.
  3. To help the teachers and administrators prepare to meet the challenges of the Common Core Curriculum that will be phased in over the next few school years.

The first challenge was to prepare a lesson for the students.  I worked closely with the classroom teacher, Mrs. Cathy Seabourne, to choose a lesson.  Mrs. Seabourne noted that many of the students had seen news or video of the Chelyabinsk Meteor that exploded over Russia last month, so we decided to make a lesson about meteors, meteorites, and impactors – objects large enough to strike a planet’s surface and leave a noticeable crater behind.  My new book, Crisis on the Far Side, had a plot twist that involved Maurice and his friends caught out in a deadly meteorite shower on the lunar surface, so we worked together to select an excerpt that would work as a 2000 word short story that the class could read together.  Mrs. Seabourne chose an excerpt entitled: Rain of Stone; it introduced the idea that there are no ‘falling stars’ in the airless lunar skies.  Instead, small bits of stone, iron, and ice strike the surface moving faster that rifle bullets.  The story also introduces the idea of the impactor, an object which strikes forcefully enough to make a crater on the surface.

As the science partner, I chose an activity called Impactor Adventure!, which allows students to actually make and measure impact craters on their desktops.  I am also an advocate of Low-cost Science, an experiment that can be done for pennies using castoff materials is far more likely to happen than an experiment that requires computers or special equipment!  The Impactor Adventure! Lab costs just pennies and requires only materials commonly found around the house.  The Impactor Adventure activity also studies impactors, craters, ejecta, rays and other impact features commonly seen on the lunar surface.  The Impactor Adventure! Activity can also easily be scaled up for students of physics and advanced mathematics studying kinetic and potential energy, crater volume, and other features.

Mrs. Seabourne’s classes begin the day with 2-hour block schedule periods, this was a natural fit for our lesson.  After a brief introduction, we passed out copies of the short story and began a shared reading.  Mrs. Seabourne and I began reading, but we quickly handed off to students around the classroom.  The students read very well; most needed to be helped over words like meteorite the first time they encountered them, but they mastered them quickly in the context of the story.

Mrs. Seabourne did, on one or two occasions, stop the reading to “unpack what the author is telling us”.  One scene has Cassie discovering a puncture in Shannon’s pressure suit, and saving her friend from certain death by stopping the air leak in time.  Mrs. Seabourne elicits responses from the class.  Why are they wearing space suits?  Why is a rip in a pressure suit a life-and-death matter?  By working with her reading students to understand the setting of the story, she is also teaching the science standards in a literary context that the students understand and relate to.

“We see Cassie and Shannon in this scene – where are they?”

“On the Moon!” said one student.

“That’s correct!  And why are they wearing these space suits and helmets?”

“There’s no air on the Moon!” said another.

“Why not!?  Why isn’t there air up there?” someone challenged.

“Does anyone know?”

“It’s too small!”

“Very good!  Large planets like Earth and Mars have atmosphere, smaller bodies like the Moon do not.”

The call and response of a smoothly functioning classroom continues for some minutes as the class as a whole reminds itself about the Moon as a dusty, rocky, airless environment with a black and starry sky; a place where people must wear pressure suits and shelter from radiation and meteoroid strikes.  Mrs. Seabourne is teaching about literature and reading skills – and the children are learning science!  They discuss setting and character and plot, but they speak of atmosphere and vacuum, and the difference between meteoroids, meteors, and meteorites.  The Moon is their playground.

The second half of the class was dedicated to the lab activity.  The students were excited because they were participating in the science activity, not just watching or talking about it.  We brought out aluminum pie pans and filled them with flour (about 4 cups per pan) and made a level surface by drawing a ruler across the pan.  A 100 gram weight was then dropped into the flour (a round stone the size of a walnut will do) creating a crater.  The students then measured the size of the crater (width and depth) and the height from which the weight was dropped.  The students also measured the size of the ejecta blanket, the material blasted out of the crater by the force of the impact.

Crater size (volume) and the area covered by the ejecta are both good measures of the impact energy.  The students were able to see that the height from which the impactor was dropped related directly to crater size and ejecta area.  Mrs. Seabourne’s students were able to perceive the relationship and we drew a rough graph on the board relating drop height to crater size.

The experience had more profound impact than that.  In conversations around the room, the students were using new vocabulary such as crater, meteor, impactor, and ejecta, more often.  The story that was read gave a human context to the science experiment, and the experiment brought a tangible sense of reality to the story.  New science concepts in the story are brought to life and integrated into the students daily experiences and each mode of learning reinforces the other.   It was easy to see that the classroom was surging with life and enthusiasm; every student was engaged.  Instead of seeing students sitting with arms crossed saying “I’m not gonna do that!”, I heard cries of “Gimme that!”, or, “I wanna make a crater now!”, and “It’s my turn!”  By integrating science and literature, Mrs. Seabourne’s class had effortlessly stepped up to Common Core standards.

In the last half of the day, Southeast High School reverts from block scheduling (2-hour periods) to standard scheduling (1-hour periods).  So for the last half of the day, the science experiment converted from an individual activity to an interactive demonstration.  Several students were chosen at random to perform the experiment and then measure and report the results to the class.  As a methodology, it would be preferable to stretch such a lesson across two days, alternating reading and science activities, but this approach worked well with the larger class sizes and time constraints we had to deal with.

The last period of the day was one of the best because we had the AP physics class join us.  The science through literature approach now showed its flexibility and scope!  The AP students enjoyed the reading, but really seemed to perk up when the impactor experiment was performed.  While the experiment was being performed by volunteers from the reading class, the AP group took a moment to analyze the experiment from a kinetic and potential energy standpoint.  They were quick to pick up on the idea of gravitational potential energy stored in the impact mass as we lifted it above the table, but the idea that the excavated crater volume or the ejecta-covered region could be measured to determine work done on the surface was a revelation.  The discussion quickly became mathematical and ranged over geometry, trigonometry and even touched on calculus as we discussed measurements and useful approximations made to make the mathematics more tractable.  The real-world richness of this seemingly simple problem intrigued and fascinated the physics students!

The end-of-day debriefing session was also interesting.  Mrs. Seabourne noted that the children’s behavior had been exceptionally good throughout the day.  She speculated that the novelty of the day’s activities had something to do with it, but she remarked that the active engagement of all the students was also a contributing factor.  “My students aren’t shy,” Mrs. Seabourne remarked; “if they hadn’t liked your book, or they thought the science lesson wasn’t worthwhile, you would have heard about it!”  Mrs. Seabourne commented that if these students didn’t like a book, it would quickly be vandalized or even disappear altogether.  “The fact that they were engaged for the entire time without misbehavior or disruption says a great deal!” Mrs. Seabourne noted, pointing out that many of her students had trouble concentrating and found it difficult to stay focused on a single activity for more than 20 minutes at a time.

A brief conversation with AP Physics instructor, Mr. Ancale was also revealing.  His students were very inspired by the hands-on approach that my classes take with AP Physics.  Many of the AP students were intrigued by the science through literature concept, and interested in the lab activities.  Mr. Ancale noted that the activities I had used provided a lot of scope for student creativity – much more so than typical ‘cook book’ lab activities that he had used for class before.  Mr. Ancale also noted that student reaction to a more open-ended lab activity was enthusiastic, to say the least.

At the end of the day, both Mrs. Seabourne and Mr. Ancale were very positive about the integrated and interdisciplinary approach to teaching science through literature.  They had seen that the interdisciplinary approach described in Common Core standards and in the Maurice Series science activities had the power to engage students across a wide range of academic levels.  They had also seen that the strength of this approach was its ability to meet students at their own level academically without short-changing their skill level or racing hopelessly ahead of them.

It was a day or two after my visit that I received an email from Mrs. Seabourne telling me that ‘the kids are still talking about your visit!” and that many of the students wanted to know when I would be coming back.  Like Professor Harold Hill in The Music Man, ‘I pass this way but once!’, but Common Core standards and teaching science through literature are here to stay.

By Dr. Daniel Barth. Dr. Barth is a former research scientist who turned his talents for innovative laboratory work toward teaching science. Dr. Barth was awarded the prestigious 2009 Amgen Award for Excellence in Science Education and he was awarded the “Science is For Kids” Foundation fellowship in 2009. He was recently nominated for the 2010 Presidential Award for Excellence in Mathematics and Science Teaching. You can read his full bio here. You can learn more about Dr. Barth and his Maurice on the Moon curriculum by visting his website, www.mauriceonthemoon.com. You can email Dr. Barth at mauriceonthemoon@gmail.com.

Read our interview featuring Mrs. Cathy Seabourne and her students’ interactions with The Maurice Series prior to Dr. Barth’s visit!

The Maurice Series is available on Amazon!

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HexBug Nano: Educational and Fun

educational products

Recipient of the 2010 Toy of the Year award from Creative Child Magazine and featured on the Today Show, the HexBug Nano offers many ways to learn about the science of vibration. It is a tiny, collectible, micro robotic creature that propels forward and explores its environment using vibration. Powered by a tiny motor and 12 fixed, angular legs, the HexBug navigates through a maze and even balances.

The robot bug acts like a real bug. Should it fall over, it rights itself and continues to zoom forward. When an object blocks its forward momentum, it scurries away and finds a new path.

This toy comes in several unique collections and series, making it a unique collectible for kids. Each HexBug Nano has an assigned serial number and point value system that owners use to register it online. Rare HexBugs have the highest point values.

Once a HexBug is registered, the owner has access to suitable online games at www.handsandstars.com. These are logic-based games. One game lets the child have control over a block that has to be manipulated through a course. Along the way the player picks up resources to create a virtual Nano. The system keeps score and as each level is completed, a new one is unlocked.

The HexBug Nano Starter Set, perfect for a first time owner, contains one extremely rare mutation, two easy connect curved pieces and one easy connect hexagon piece. Add-ons include Habitat Straight Bridges, Habitat Hex Cells or Habitat Curved Bridges. Of course, you can always add more HexBugs in different colors and shapes.

Toy can be used by children as young as 3. My 11-year-old grandson loved it.

Experiments to try that use vibration:

Comb Kazoo

What you need:

  • A comb
  • Waxed paper
  • Scissors

What to do:

  1. Cut a piece of waxed paper as long as the comb and wide enough to fold in half and cover the comb.
  2. Hold the comb with the teeth pointing down
  3. Fold the waxed paper in half and place it over the comb
  4. Hold the paper lightly against the comb
  5. Place the paper–covered comb lightly against your lips and say, “Oooooooo.”

Scientific explanation: Vibration makes sound.

Vibration Causes Sounds

What you need:

  • Empty cylindrical-shaped oatmeal box
  • Balloon
  • Scissors
  • Rubber Band
  • Aluminum foil
  • Tape or glue
  • A light source, like a flashlight or small lamp
  • A partner

What to do:

  1. Carefully cut the bottom out of the oatmeal box
  2. Cut the balloon so it will cover the open end of the oatmeal box
  3. Make a drum by stretching the balloon tightly across the open end of the box
  4. Use the rubber band to hold the balloon in place
  5. Tape or glue the foil to the center of the “drum.” Foil should be as shiny as possible, so try to keep it smooth
  6. The partner makes some loud noises into the “drum” while you focus the light on the foil
  7. Now trade places

Scientific explanation:  All sound is caused by vibration. The vibration of your vocal chords causes the sound of your voice. Touch the center of your neck and say something. Can you feel your vocal chords vibrating?

When you made noises into the oatmeal box, the sound waves bounced against the balloon enabling you to see sound.

Vibrating Coin

What you need:

  • Coin
  • Bottle
  • Refrigerator
  • Water

What to do:

  1. Place empty bottle in refrigerator to cool
  2. Place cooled bottle outside
  3. Dip your finger in the water and place a few drops around the mouth of the bottle and on the edge of the coin
  4. Place the coin on the mouth of the bottle
  5. Place both your hands firmly around the bottle, coin should start vibrating in about 15 seconds
  6. Move your hands away from the bottle and coin should continue to vibrate

Scientific explanation:  When the bottle is removed from the refrigerator, the temperature of the gas inside the bottle begins to rise. When you put your hands around the bottle the temperature rises even more. Then the air molecules inside it start moving faster and collide with the coin producing more energy. This makes more pressure which causes expanding air to escape through the rim of the coin, making it vibrate.

By Heather Larson.

 

Below are videos of  Funderstanding Editor Jennifer Krauss’s kids having fun with HexBug Nano.

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Snap Circuits: a Must Have Educational Toy

My seven year old son Ben has been passionate about Legos since he was 5. He attends a weekly lego club, collects lego magazines, keeps every box and every manual. His room looks like a shrine to legos – lego sets occupy every piece of available space that is off the floor. He enjoys the precision required to follow steps and building a final product truly excites him. Yet for no particular reason his enthusiasm seems to have waned these past few months. The lego phase is sadly nearing an end. He seems ready to move on.

In my quest to inspire Ben to continue building, I googled around for educational science toys.  I also had another motive to find an educational toy. I work as an editor for Funderstanding and we decided to create a new feature for the site – educational toy guides. We figure parents will find value in learning how they can maximize educational value out of certain toys. We’d search for and recommend science oriented toys while helping parents get the most out of them.

Snap circuits seems to be on nearly every educational toy list. It looked like a good fit for Ben’s interests – reading diagrams, following steps and creating a fun and interactive toy. More than simply to entertain him, my goal was to teach him some important principles about electricity that he probably will retain better than at school because it is fun. I see myself as the typical Funderstanding parent, in that it is important for me to find ways to inspire my children to learn while playing, but my time is limited. So I figured this toy would be a good one for me to do with Ben and I could translate that experience into a guide for our audience. I am not adept or at ease in the areas of math or science, and I know I am not alone. So I knew this would be a challenging learning experience for me, as well as for my child!

What is a Snap Circuit?

The box comes with two manuals that feature 305 projects. The Snap Circuits kit uses building blocks with snaps that snap on and snap off a plastic board. Each block has a function. There are switch blocks, lamp blocks, battery blocks, different wire length blocks and more. The blocks are in different colors and have numbers on them. In a few instances the color of the snap in the book did not match the color on the actual snap. And in a few cases, the name of the snap in the book was not word for word the same name as it was labeled on the snap. This caused minor confusion for Ben and for me. We just needed to look very carefully for the pieces together.

Projects range from lighting a bulb with a switch, simulating a flying saucer, to creating a police siren sound by clapping your hands. There are several versions of snap circuits – a Junior, Standard, Pro, and Extreme version. We bought the Jr. version. Batteries are required to accomplish each project. At a minimum, this explains that batteries are needed to make electricity, if your child did not know that already. Each project has a short explanation stating the objective and how to accomplish it. There are colorful and relatively easy to follow diagrams for each project. After I did the first few projects with Ben, he did the rest on his own. Ben was extremely enthusiastic about each project he made but when asked if he learned anything about electricity, he said, “No not, really.”

What Do Children Learn By Doing Snap Circuits?

The guide tells you what to do to create a project, but it doesn’t tell you why you are doing it and how it works. As I have such a minimal understanding of electricity and electronics, I felt that the guide provided no tips for me to instruct Ben in the why and how. By virtue of following the steps in the diagram, Ben  learned about precision and the importance of following instructions, but he already knew these things from his background in lego building. I think Ben did learn basics about cause and effect, such as “If I connect this piece, electricity will happen.” ‘I need batteries to make electricity.” “If I flick this switch, the fan will fly.” But I would not consider this learning about the principles of electricity.

I knew I needed more instruction for myself if I was to deepen the learning for Ben and write about it for the website. So I contacted Elenco, the Snap Circuits manufacturer, and they sent me a very comprehensive student guide (grade 4-12) that provides tons of details and instruction about the concepts taught in the projects. There are also teacher guides available. You can find and order all of these resources online. I used the student guide as my tutorial in electricity. Even though it is written for an older audience, I found the explanations helpful and adaptable for a 7 year old/first grader.

How Parents Can Deepen the Learning

I spent time reading and re-reading the student guide so I could understand it to the degree that I could explain it and simplify it for Ben, as well as for the Funderstanding article. The guide is written clearly but the topic doesn’t come naturally to me. It was helpful for me to write a glossary explaining the basic concepts. You’ll find the glossary at the end of this post. Here are some basic takeaways for me, that I think will be useful for parents to share with their children.

I recommend doing the first few projects with your child. Explain to your child that in order to make electricty you need a power source. Batteries are the power source in the snap circuits kit. A resistance is required so that the flow of current is controlled. Examples of some objects that offer resistance are resistors, lamps and motors. And of course wires are required to create the flow back and worth.

If you have your power source connected to more than one resistor you will have less power. Demonstrate this to your children by adding a second resistor in the snap circuits projects. See how that lessens the power.

Battery power that is not going toward a resistor, is a short circuit. A short circuit is a wiring path that bypasses the circuit resistance, creating a no resistance path across the batteries. Tell your child how a short circuit creates damage for some of the parts and drains the batteries. Create a short circuit together by running a wire from the battery toward another circuit.

Electricity is About Balance

After several readings of the student guide, the proverbial light bulb went on for me. The light bulb is that electricity is about balance. It’s about the push/pull, the ying/yang, the plus/minus. The power source and the resistor need to be balanced – you can’t have too much or too little on either side. Once I came to this realization, I felt like it would be easier for me to clearly explain the concept of electricity to Ben. I think this is an important principle to explain and demonstrate to your children while performing the projects. Try mixing the parts and components to see what happens if you have too much or too little on either side.

Does the Order of Circuits Really Matter?

I learned that parts may be arranged in different ways without affecting the circuit. The order of parts connected in series or in parallel is inconsequential. The guide explained that a simple way to understand series vs. parallel circuits is to think about the overhead lights in your house. Overhead lights are connected in parallel so that you can have lights on in some rooms and off in others. Within each room the light and switch are connected in series so the switch can control the light.

What matters is how combinations of these sub-circuits are arranged together. For example, you can change the location of a switch or a lamp in certain projects that have lamps and switches without affecting the circuit operation because they are all connected in series. Whether you use a series or parallel configuration in a circuit depends upon the application, but it is typically obvious. You can explain the concept of series and parallel circuits to your child and demonstrate it by changing the location of certain switches and resistors.

 

Create Your Own Project

Once your child becomes more familiar with these concepts, encourage him/her to shift the snap circuits and other components to see what works and what doesn’t. Then challenge your child to create his/her own project by choosing a power source, resistor, wire and circuits. If you have more than one child, create a snap circuit challenge in your house. Make it a competitive and spirited family event.

Snap Circuits Glossary

These definitions are meant to simplify the concepts for both you and your children.

What is Electricity

  • Electricity is energy that can be used to save us effort (dishwashers), heat things (microwave), make light (light bulbs), and send information (television).
  • Electricity is one of the most fundamental forces of nature. At its most basic, it is about attraction/repulsion. This is called an electrical charge. Electricity is similar to magnetism.
  • Electricity is the movement of sub-atomic (very, very, very, very, very tiny) particles (with their electrical charges) through a material due to an electrical charge outside the material.
  • It may be easier to understand electricity if you think of the flow of electricity through circuits as water flowing through pipes.
  • Electric current is the rate at which an electric charge flows through a medium, such as a wire. Just as an electric current flows in a wire, water current describes the rate at which water is flowing in a pipe.
  • Wires can be thought of as large smooth pipes that allow water to pass through easily. Wires offer low resistance to electricity. 
  • To make water flow through a pipe we need a pump
  • To make electricity flow through wires we use a battery.
  • A battery creates an electrical charge across wires
  • Voltage is a measure of how strong the electric charge from your battery is. Voltage is similar to water pressure.
  • The plus and minus signs on the battery indicate which direction the battery will “pump” the electricity, similar to how a water pump can only pump water in one direction.
  • Explain to them that similar to when you shut off the faucet in your house so as not to waste water, you use a switch to turn the electricity on and off in your circuit. On connects the wires and off disconnects them.
  • Electronics is about working with and controlling electricity.

Difference Between Electricity & Electronics

  • Many work saving appliances like dishwashers, hairdryers, and drills are electrical but not electronic.
  • Electronic products use electricity to control themselves, using parts like resistors and transistors; electrical appliances are only controlled mechanically.
  • Think about moving into a new house. Most products in an empty house are electrical (such as all the wiring and switches in the walls, electric ovens, air conditioners, dishwashers and thermostats.
  • Most items you bring from your old house to your new house are electronic (TV’s, computers, ipods, phones, and most battery operated products), but not all (such as hairdryers and electric power tools). 

Where can you find it?

You can purchase it online here:

Or for more information about Snap Circuits, visit Elenco.com.

Please find below a series of exercises provided by Snap Circuit manufacturer, Elenco that enhance learning.

Elenco has provided a list of 20 exercises you can do to alter your snap circuit projects here.

Fun for the Whole Family

Below are videos of Ben and his little brother and sister trying out snap circuits.

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Snap Circuits Green: Learning Science at Home

I reviewed Snap Circuits several months ago and talked about its fun and educational value for my seven year old son. Recently Elenco Electronics, makers of the original Snap Circuits came out with Snap Circuits Green, winner of the Dr.Toy Award for Best Green Product. Snap Circuits Green teachers kids how to use environmentally friendly energy sources, including Hydro Power, Wind Power, Solar Power, Mechanical Energy, Geothermal Energy, Nuclear Energy, Chemical Energy, Hydrogen and Fuel Cells.

What the Snap Circuits Green Kit Includes

Snap Circuits Green includes an instruction manual containing 129 projects.

Recommended age group is 8-108.

Similar to the standard snap circuits kits, Snap Circuits Green uses building blocks with snaps to build the various electrical and electronic circuits in the projects. The projects are built on a clear plastic base grid.

Each block has a function. There are switch blocks, light blocks, battery blocks, wire blocks and more. The blocks are easy to identify. Each has a unique color and number. Each full color diagram shows how to build the circuit by including the color and number of each block.

The manual includes a parts list and several pages that explain how to use the parts.

Each project includes a full color diagram and a brief explanation of how the project works.

In addition, there is a separate education booklet called, “Think Green: Learn about Energy.”  This booklet provides in-depth descriptions about what alternative energy sources are and how they work. The explanations are straightforward and easy to grasp. Unlike the orginal snap circuits kit, there is no teachers guide. The Think Green book in some ways acts as an educator’s guide and is essential material for better comprehending Snap Circuits Green.

What do Kids Learn by Doing Snap Circuits Green Projects

Similar to my experience with the original Snap Circuits, my 7 year old son Ben and I found that most of the Snap Circuits Green projects are easy to create but we thought the manual could have provided more information about how and why a project works. There is a white box that accompanies each project which details the steps, and in most cases it explains in some capacity what is happening. This manual is clearly an improvement from the original snap circuits but for someone like me who finds these concepts challenging, I’d like to see the manual written in even more detail. After reading an explanation a few times and referring to the Think Green booklet, I am able to better grasp what is taking place to make a project work.

Unlike the original Snap Circuits, the Snap Circuits Green manual features a little green Snap Circuits figure (resembles Gumby!) who offers a tip in a yellow box such as “solar energy is free, abundant and causes no pollution. However it is difficult to harvest it because even low power cells are expensive.” While this information is compelling, it doesn’t explain the why and how.

Ben really gets excited when a project works but he has little understanding for why it is working without a prompt from me. If parents want their kids to get the most value out of this toy, I’d recommend they thoroughly read the Think Green book as well as the instruction manual. This helped me better explain to Ben how and why projects work. It is an investment of time, but in my opinion, its time well spent.

Deepening the Learning at Home

In addition to reading the materials and explaining the concepts to your kids while you are completing the projects, here is an idea to deepen the learning.

After you do the project the way instructed try to alter the energy source in some capacity.

For example, Ben and I did a project where we attached a milk jug with a hole to a water wheel that was connected to a meter. The flowing water made the wheel turn which caused electricity. When you put your finger over the hole, the water flow slows down, decreasing the current reading on the meter. Also filling up the milk jug to capacity causes a faster flow of water causing a faster current. Tinkering with the project like this really helped Ben better grasp the concepts of alternative energy and its role in creating electricity.

We switched parts in several projects to see if they would still create electricity. In some cases it worked and in others it didn’t. We couldn’t always comprehend why. We discussed that the main takeaway for Ben was that he now understands that electricity is produced through various energy sources, and that some of those sources are more gentle on the environment than others. I think that is valuable knowledge to grasp from a toy.

The videos below demonstate some of our tinkering!

Below is a glossary that includes some fundamental definitions about electricity which is included in my orginal Snap Circuits post. I find it useful to revisit these basic terms before participating in snap circuits projects.

Following the electricity glossary, are some explanations about energy and alternative energy extracted from the “Think Green” booklet, which were educational for me and I found the terms helpful when explaining how projects work to Ben.

What is Electricity

  • Electricity is energy that can be used to save us effort (dishwashers), heat things (microwave), make light (light bulbs), and send information (television).
  • Electricity is one of the most fundamental forces of nature. At its most basic, it is about attraction/repulsion. This is called an electrical charge. Electricity is similar to magnetism.
  • Electricity is the movement of sub-atomic (very, very, very, very, very tiny) particles (with their electrical charges) through a material due to an electrical charge outside the material.
  • It may be easier to understand electricity if you think of the flow of electricity through circuits as water flowing through pipes.
  • Electric current is the rate at which an electric charge flows through a medium, such as a wire. Just as an electric current flows in a wire, water current describes the rate at which water is flowing in a pipe.
  • Wires can be thought of as large smooth pipes that allow water to pass through easily. Wires offer low resistance to electricity. 
  • To make water flow through a pipe we need a pump
  • To make electricity flow through wires we use a battery.
  • A battery creates an electrical charge across wires
  • Voltage is a measure of how strong the electric charge from your battery is. Voltage is similar to water pressure.
  • The plus and minus signs on the battery indicate which direction the battery will “pump” the electricity, similar to how a water pump can only pump water in one direction.
  • Explain to them that similar to when you shut off the faucet in your house so as not to waste water, you use a switch to turn the electricity on and off in your circuit. On connects the wires and off disconnects them.
  • Electronics is about working with and controlling electricity.

Purchase it online

 

Snap Circuits Green Glossary

These definitions are extracted from the product’s included booklet, “Think Green.” They are meant to simplify the concepts for both you and your kids.

Energy is the ability to change or do things. Energy is used to give us light when it is dark, move us from place to place, keep us warm when it is cold, cool us down when it is hot, cook our food and entertain us with tv, movies, music, pictures and games.

Kinetic Energy is the energy of something in motion, like a moving car. Heat, light, sound and electricity are forms of kinetic energy, because the tiny particles they are made of are moving or vibrating to a degree.

Potential Energy is energy waiting for something to happen like water stored in a dam.

Chemical Energy is energy that can be harnessed from a fuel by chemical reaction like gasoline or food or batteries.

Nuclear Energy is energy that can be harnessed by splitting or combining atoms in a nuclear reaction.

Different forms of energy can be accessed in different ways.

  • For example: The energy in plants and animals can be eaten to power our bodies.
  • The energy in fossil fuels can be burned to make heat to keep us warm.
  • The energy in sunlight can be used to warm us, to make electricity with solar cells, or to be stored in plants for later use as food.
  • The energy in moving wind or water can be harnessed to push a turbine to generate electricity.

Fossil Fuels such as coal, petroleum (oil and gasoline), and natural gas are the decayed remains of plants and animals, which lived millions of years ago.

Wood has been burned to produce heat for a long time. It is a renewable energy source because we can always grow more trees but trees don’t grow fast enough to meet the massive energy needs of our population.

Biomass power plants are used to produce electricity by burning scrap wood, plants, yard waste, and garbage. The heat pressurizes steam which pushes a turbine in an electric generator.

Hydroelectric Power is making electricity from the power of water in motion.  The production of electricity through use of the gravitational force of flowing or falling water is the most widely used form of renewable energy worldwide. Most hydroelectric power is produced by building dams.

By Jennifer Krauss, Funderstanding Editor.

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