A stretched spring stores ____ potential energy. |
chemical |
Plants convert light energy into ____ potential energy. |
elastic |
Heat is thermal radiation transfered by ____ waves. |
electrical |
Climbing converts kinetic energy into ____ potential energy. |
gravitational |
An object must be moving in order to have ____ energy. |
infrared |
Friction converts mechanical energy into ____ energy. |
kinetic |
A battery can convert chemical energy into ____ energy. |
nuclear |
The Sun generates ____ energy by fusing hydrogen atoms. |
thermal |