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5th Vocab Unit 4
vocabulary - light and electrical energy
| Question | Answer |
|---|---|
| electrons have a complete pathway to flow through | closed circuit |
| the ability of an object or substance to allow heat, electricity, or sound pass through it | conductivity |
| any material that allows an electric current to pass through it easily | conductor of electricity |
| the ability to do work | energy |
| a form of energy that is felt as temperature | heat energy |
| to prevent or reduce the passage of heat, electricity, or sound into, from, or through something | insulate |
| a material that does not let heat energy, electricity, or sound energy to pass through it easily | insulator |
| a curved piece of clear glass, or plastic that bends light rays | lens |
| a form of energy that travels in waves and can move through space where there is no air | light energy |
| how high or low a sound is | pitch |
| the bouncing back of light rays from a surface | reflected |
| the bending of light rays as they move from one material into another material | refracted |
| energy from sunlight | solar energy |
| a form of energy produced by vibrating objects | sound |
| the energy of moving particles in a substance | thermal energy |
| to pass or cause to pass through space or through a material | transmitted |
| the rapid back-and-forth movement that produces sound | vibrate |
Created by:
mlindley