How many types of energy are there? Are there many forms of energy, such as electrical, mechanical, and chemical? Or are there really just two types of energy - kinetic energy and potential energy? Here you can learn about these...

Explore how heating and cooling iron, brick, and water adds or removes energy. See how energy is transferred between objects. Build your own system, with energy sources, changers, and users. Track and visualize how energy flows and...

Young scholars learn that fossil fuels release energy when they are burned, and this takes the forms of light, heat, gases, etc. In this lesson plan they explore combustion with a candle and with sugar. The lesson plan and accompanying...