An introduction to different kinds of energy, including energy from fossil fuels, moving water, the ocean, solar power, geothermal power, and garbage. Includes experiments for children to learn how energy works.
An introduction to the science of electricity, explaining what it is, how it is made, how electrical circuits work, and how electricity is used, and including investigations and experiments.
Introduces the science behind forces and machines, with examples such as the use of gravity, friction, levers, and pulleys to make machines work. Includes simple experiments.