Term
| Is there sound in outer space? |
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Definition
| No, because there is no matter |
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Term
| Which energy travels the fastest? |
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Definition
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Term
| What are some examples of items that produce both light and heat? |
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Definition
| Light bulbs, fire, computers, iphones, TVs |
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Term
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Definition
Vibration of matter
travels in waves (specifically mechanical waves)
Can only travel through matter
It can travel at different speeds |
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Term
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Definition
Light is the vibration of electrically charges particles.
Light travels in waves (Specifically electromagnetic waves)
Light can be reflected, absorbed or passed through material
It always travels at the same speed (fastest stuff in the universe) |
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Term
| Differences about light and sound |
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Definition
They do not travel at the same speed
They travel in different types of waves.
Sound cannot travel without matter, light can |
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Term
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Definition
| red, orange, yellow, green, blue, indigo, and violet |
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Term
| What is unusual about a double rainbow? |
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Definition
| The fainter rainbow has its colors reverse |
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Term
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Definition
| It means the water changes the direction of the light waves. If you stick a pole into a pool, the pole will look bent because the water is refracting the light |
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Term
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Definition
you cannot see through it at all.
Examples; wood, apple, gold, books |
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Term
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Definition
absorbs some of the light. You cant see clearly through translucent objects but it still allows light in.
Examples: certain bathroom windows, sunglasses, wax paper |
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Term
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Definition
You can see clearly through these. Light passes right through.
Examples:
Clear glass, air, clear water, clear plastic |
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Term
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Definition
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Term
| What does refracted mean? |
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Definition
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Term
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Definition
| light is refracted (bent) throught the water droplets in the air causing the white light to be split into many different colors called a rainbow. |
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Term
| Is white light really white? |
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Definition
| No, white is made up of all the colors (remember our science experiment with the Newton's Disc) |
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Term
| What are two similarities between light and sound |
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Definition
They both travel in waves
They can both reflect(echo) off materials |
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