Energy Basics
Energy – The ability to do work or cause change We use energy every day
Energy is in two states Potential – Stored energy Kinetic – Energy of motion
Potential Energy Energy that is stored Snow on a mountain
Standing
Kinetic Energy The energy of motion
When We Play
When We Eat
When we move
Forms of Energy Energy can be found in many forms
Chemical Energy Food, wood, batteries, fossil fuels
Electrical Energy Invisible but most useful form
Mechanical Energy Moving objects Sound
Radiant or Light Energy Most are invisible UV rays, X-rays, radio waves
Thermal Energy Energy of moving or vibrating molecules The faster they move the hotter they become
Elastic Energy A stretched rubber band, compressed spring or jack-in-the-box
Nuclear Energy Energy stored in the nuclei of atoms The sun is an example-fusion fuels it