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energy
| Question | Answer |
|---|---|
| conduction | transfer of energy that occurs when molecoule bump into each other |
| energy made by vibration of materials | sound energy |
| Radiation | transfer of energy by waves or rays |
| Solar energy | energy made by the sun |
| thermal heat energy | random motion of the particles that make up a substance |
| light | photons that act in waves, when absorbed it creates heat |
| refraction | bending of a light wave when it changes speed in moving from one material to another. |
| law of conservation of energy | a law stating all energy is conserved and the amount always stays the same |
| reflection | occurs when a wave strikes an object or surface and bounces off |
| diffusion | scattering of direct light by passing it through non transparent material |
| source of all energy of earth | solar |