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20 Cards in this Set
- Front
- Back
Why do you sometimes see a rainbow in the spray of a sprinkler or a fountain?
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The drops of water refract and separate light into the colors of the spectrum.
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Visible light waves are part of a _______ of waves.
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spectrum
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A smooth, flat, shiny surface does what to light waves?
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Reflects
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Why can we see clearly?
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1. We have eyes.
2. There is light. 3. The lens focuses light waves. |
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What happens to the pupil of the eye in bright light?
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It becomes smaller.
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A picture of an object made by a mirror or lens is a what?
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Image
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As you walk from the sunny outdoors into a darkened room, what happens to your eyes?
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The pupil becomes smaller in the darkened room.
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An object that is red when white light shines on it does what?
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Absorbs all colors but red.
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The light from the moon is ________ sunlight?
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Reflected
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Which color is not a pure color in the visible light spectrum?
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Pink
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Name an object that blocks light.
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A wooden door.
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translucent object
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object that lets some light through such as wax paper
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lens
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Focuses light waves in the eye.
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Pupil
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part of the eye that regulates the amount of light that enters the eye
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Concave Lens
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lens that are thinner in the middle than on the edges.
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Convex Lens
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Lens that is thicker in the middle than on the edges.
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Opaque
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objects that allow no light through
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pigment
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the substance in ink or paint that gives it color
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When you are in the sun, why do you feel cooler in white clothing than you do in black clothing?
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White relfects light and black absorbs light.
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Why do leaves appear green?
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All of the colors are absorbed by the leaf except green.
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