Term
- mechanical
- chemical
- electrical
- nuclear
- radiant
- sound
- heat
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| the sun, friction, electric currents, buring gas, coal, and wood produces what type of energy? |
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| this type of energy comes form the flow of electricity. |
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| nuclear energy produces what? |
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| gas and coal are examples of what type of energy? |
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| heat lamps, microwaves, and lights are examples of what type of energy? |
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| vibrate and travel in waves |
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the point at which:
-ice turns into water
-solid to liquid |
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- materials used to make a light bulb come on
- allows things like heat, sound, or electric current to flow through it
- copper and metal are are good examples
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- it does not allow heat, sound, or electricity to flow through it
- glass, plastic, and rubber are good examples
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- has only one path through which the electric current can flow
- example would be 2 light bulbs connected, one goes out, the other goes out too
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- has more than one path for electric currents to flow
- good example is a string of christmas lights
- if one bulb goes out, the other bulbs stay on
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an electric current can flow through the entire circuit
ex. turning the light on |
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| an electric current does not flow; it has a break in the circuit; ex. turning the light off |
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| a temporary magnet made witih a nail, coiled wire, and a dry cell battery |
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- the only form of radiant energy visible to the human eye
- discovery made by Sir Isaac Newton
- all colors of light mixed together creates white light
- shining white light thru a triangular prism creates a rainbow
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Definition
| no light passes thru; foil paper is a good example |
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| some light passes thru; ex. wax paper |
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| light passes through; ex. glass |
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light rays bouncing back at you
like looking in a mirror |
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- bending of light
- a pencil in a glass of water appearing to be broken
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| because the light rays refract when they move from air to water, causing the stem to look/appear bent |
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Definition
| a teacher places a stemmed flower in a glass of water and the stem appears to be bent. why is this? |
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True or False:
sound moves most esily through most solids and least easily through gases because dense materials allow sound waves to travel faster |
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| what must be present in order for soudn to be transmitted? |
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| name the properties of sound |
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