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Forms of Energy
Unit 2 Vocabulary
| Question | Answer |
|---|---|
| A circle or loop through which an electric current can flow is. | circuit |
| A _____________ __________ is a path through which an electric current can flow. | closed circuit |
| The flow of electricity through a conductor is called an _______________ _____________. | electric current |
| _______________ is the ability to do work or cause change. | energy |
| Energy that is absorbed or delivered through an electric circuit is ________________ ____________. | electrical energy |
| _____________ ________ is the energy related to the temperature of an object or a substance. | thermal energy |
| A form of energy which our eyes can detect is ____________ ________________. | light energy |
| The energy of motion is called ______________ _____________. | mechanical energy |
| __________ ____________ is energy produced by vibrations. | sound energy |
| Any matter that light is able to travel through is known as a ____________. | medium |
| An _________ __________ is a path that does not allow an electric current to flow through. | open circuit |
| A material that does not allow heat or electricity to flow through it is an _________________. | insulator |
| A material that allows electricity and heat to flow through it is a ____________________. | conductor |
| _____________ is the bouncing back of light rays from a surface. | reflection |
| ______________ is the bending of light as it moves through one medium and into another. | refraction |
| A glass bar that separates white light into colors of the rainbow is a _________. | prism |
| A _________ is a curved piece of glass or plastic that bends light rays. | lens |
| A ___________ is a smooth shiny surface off which light reflects. | mirror |
| To take in or to soak up is to ___________. | absorb |
| A device that is placed inside a machine to supply electricity is a ________________. | battery |
| A _____________ is a small device that starts or stops the flow of electricity when it is pressed or moved up or down. | switch |
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Plainview 5th
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