Science Workbook: Vocabulary Quiz

Study Notes

Energy is the ability to do work.
Energy can take many forms, including electrical, heat, radiant, fossil fuel, mechanical, chemical, nuclear, kinetic, and potential energy.

Electrical Energy: the movement of electrons through a conductor.
Heat Energy: the movement of energy from one object to another.
Radiant Energy: energy created through electromagnetic waves (e.g., solar energy).
Fossil Fuel Energy: non-renewable resources such as coal, oil, and gas.
Mechanical Energy: also known as motion energy, when a force acts on an object to make it move.
Chemical Energy: energy released through a chemical reaction.
Nuclear Energy: energy stored in the nucleus of an atom.
Kinetic Energy: energy at work, measured in Joules.
Potential Energy: energy "stored" in an object.

Non-Renewable Resource: something that can only be used once (e.g., coal, oil, gas).
Renewable Resource: something that can be used more than once because it is replaced naturally (e.g., sun, wind).
Conservation of Energy: saving energy by not using more than what is needed.
Dissipation: wasting energy through unnecessary uses.

Light bulbs produce thermal energy and radiant energy.
LED lights are more energy efficient than older light bulbs because they generate less heat.
Static electricity occurs when an object is charged with electrons, like when clothes stick together after being in the dryer.
Digesting food is an example of chemical energy.