Energy is the ability of a system to do work. That system may be batteries powering an electronic game system or windmills capturing wind energy to power a city. When an object or an organism does work, energy is transferred to another...

This lesson introduces electricity, batteries and motors using a LEGO MINDSTORMS NXT robot. The associated activity guides students to build a simple LEGO NXT set-up and see the practical implementation of the concepts discussed. Before...

When there is a power failure, or when we go outside at night, we grab a flashlight so we can find our way. What happens inside a flashlight that makes the bulb light up? Why do we need a switch to turn on a flashlight? Have you ever...

Through nine lessons, students are introduced to a range of energy types--electrical, light, sound and thermal-as well as the renewable energy sources of wind, hydro (water) and solar power. Subjects range from understanding that the...

Uncountable times every day "with the merest flick of a finger"each one of us calls on electricity to do our bidding. What would your life be like without electricity? Students begin learning about electricity with an introduction to the...

A simple introduction to energy, offering information on hydro-electric energy, fossil fuels, nuclear power, solar energy, and wind energy.

English chemist John Frederick Daniell came up with a twist on the simple voltaic cell that resulted in a longer-lasting source of power.

Learn how Alessandro Volta became a pioneer of electricity and power, and who is credited as the inventor of the electrical battery and the discoverer of methane.

Find the terminal voltage of a battery with significant internal resistance. Determine the power of one of the external components for the circuit.

This site from NASA provides The Space Place which gives a great explanation of energy sources for young readers using the space shuttle, cars, and our human body as examples.

Frankenstein's electricity is out. In this activity, students help him find another source of energy using citrus fruit. Good for students who want to do their own projects or for class lessons.

Learn about how to power up your laptop when the batteries go dead.

A site dedicated to help students prepare for the AP Physics B test. This specific site reviews circuits including current, resistance, power, Ohm's law, batteries, DC circuits, transformers, and car coils. Site contains links to video...

Kid's learn more about the science of electricity. How its measured and generated.

Kid's learn about the uses electricity. Where is it used and how does it help us in our daily lives.

Can you build a battery-operated, spinning motor-powered arm that can move ping pong balls across the room? Take the challenge!

Students will work to increase the intensity of a light bulb by testing batteries in series and parallel circuits. It analyzes Ohm's Law, power, parallel and series circuits, and ways to measure voltage and current.

[Free Registration/Login may be required to access all resource tools.] Students will discover how an electrical potential is generated in an electrochemical cell, and then they will calculate the standard cell potentials from a table of...

Students in this activity will build simple circuits using a battery, wires, and light bulbs. This activity allows students to examine how electricity is conducted through a light bulb using a battery as a power source. Students will...

Students will learn to write the half reactions that occur at each electrode during the electrolysis of water, performed in microscale using a 9V battery as a power source. In monitoring the pH at each electrode, studens will learn that...

What happens to a spacecraft that relies on sunlight to power its batteries when it travels through the Earth's shadow? The Lunar Prospector survived several Penumbral and Umbral eclipses. Resource includes a link to a video that...

Try out this great electricity activity by using lemons to make a light bulb glow. You can learn about the science behind the activity and watch an animated demonstration.

Electric vehicles are in use today but pose challenges to widespread distribution. One of the challenges is to develop a battery that can hold enough energy for longer trips. Various solutions are being tried but mass marketing of this...