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ESL Science Vocab
Unit B Chapter 3 Vocabulary
Term | Definition |
---|---|
energy | The ability to do work. |
stored energy | Energy that can change later into a form that can do work. |
energy of motion | Energy that moving objects have. |
conductor | A material through which energy flows easily. |
insulator | A material through which energy cannot flow easily. |
fuel | A material that is burned to produce useful heat. |
temperature | A measure of how hot a place or object is. |
ray | A thin line of light. |
reflect | To bounce back. |
lens | A piece of material that bends light rays that pass through it. |
electric charges | Tiny amounts of electricity present in all matter. |
electric current | The flow of electric charges. |
electric circuit | The path along which electric current moves. |
electromagnet | A metal that becomes a magnet when electricity passes through wire wrapped around it. |