Light
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is white light? | A combination of several different wavelengths of light traveling together.
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| What is a prism? | A triangular shaped piece of cut and polished glass
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| What is a band of colors called? | A spectrum
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| How does a rainbow occur? | Water droplets act as both mirrors and prisms. The drops bend rays of sunlight at different angles, causing the colors to spread out.
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| What are the colors of the visible spectrum? | Red, Orange, Yellow, Green, Blue, Indigo, and violet ROYGBIV
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| Which color has the longest wavelength? | Red
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| Which color has the shortest wavelength? | Violet
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| Which travels faster, light or sound? | Light
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| Where can light travel the fastest and why? | Outer space because there is nothing to get in the way
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| How long does it take for light to reach Earth | 8 1/2 minutes to travel 93 million miles
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| Light travels in straight paths called | rays
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| What does sound need that light does not? | A medium to travel through
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| What does reflected mean? | To bounce off
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| What does refraction mean? | To bend
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| What does it mean to be transmitted? | To pass through the object
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| What does it mean to be absorbed? | To be taken in as heat
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| What are lenses? | Pieces of transparent material with curved surfaces that use the refraction (Bending) of light to make images.
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| Convex lens | curve outward, form images by refracting light rays together.
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| Concave lens | Curve inward and form images by refracting light rays apart
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| Common optical tools | eyeglasses, flashlights, cameras, binoculars, and microscopes
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| Opaque | Materials completely block light from passing through
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| Transparent | Materials allow light to pass through with little or no disturbance
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| Translucent | Allow only part of the light to pass through, while bouncing the rays off in many directions giving only a blurry view
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| When you see a red sweater, you see red because | it is absorbing the other colors and reflecting red
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| Black objects do what? | They absorbe all of the visible frequencies(color), so our eyes see no color- we see black
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Creamers
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