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Heat and Light
Science vocabulary words for heat and light unit 4th grade.
| Question | Answer |
|---|---|
| energy producing brightness | light |
| the process or act of reflecting something, especially light, sound, or heat | reflection |
| the change in direction that occurs when a wave of energy such as light passes from one medium to another of a different density, e.g. from air to water | refraction |
| the transfer of energy, especially heat from one material to another that are touching | conduction |
| the transfer of heat energy through water | convection |
| thermal energy that can be transfered from one thing to another | heat |
| the emission of energy in the form of rays or waves | radiation |
| the movement of energy from one matter to another | energy transfer |
| energy that is given off by another source and goes unused | waste energy |