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20
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What is it called when light bounces off an object, causing us to be able to see it?
Projection
Interference
Refraction
Reflection
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baam
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gift
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rocket
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banana
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20
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In Greek, the word โPhysicsโ literally means
The study of movement
Forces and energy
Nature
Motion and matter
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20
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What makes a rainbow show all the colors?
Unicorns act as a rainbow horse army
Light wavelengths act as projectors
Dust particles act as refractors
Drops of water act as prisms
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20
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Choose the best statement about how light affects our ability to see objects.
Light has to reflect off objects & physically enter our eyes
Light has to refract through glass first, then enter our eye
Light is merely an illusion; you are seeing brain impulses.
Light only flows directly from the sun into our eyes.
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thief
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25
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rocket
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gift
Win 25 points!
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baam
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20
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What happens to the electrons in an object when light hits it?
Electrons increase in energy and jump up energy levels
Electrons decrease in energy and fall down energy levels
Electrons get hyper and vibrate but don't move to new levels
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20
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Why is the sky blue?
Ocean water reflects its blue color up to the atmosphere
Smaller blue light waves scatter off gas and dust particles
Because God likes the color blue the best.
Ice particles high in the atmosphere look blue- they're cold
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20
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The _______________ wants everything to be the same and is surprised when everything is different
Chemist
Physicist
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20
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List the 3 primary colors of light:
Cyan, Magenta, Yellow
Red, yellow, blue
Black, white, and gray
Red, Green, Blue
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lifesaver
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rocket
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rocket
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lifesaver
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20
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What is interference?
When light rays try to refract but get lost in the medium
When light blocks the path of a spaceship
When someone gets in your way
When light rays try to reflect but run into each other
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20
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What is refraction?
Light is bent from its normal course but isn't reflected
Light is projected from a source but is not visible
Light is really pretty but too bright to look at
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20
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List the 3 primary colors of pigment
Cyan, Pink, Indigo
Red, yellow, blue
Magenta, Yellow, Cyan
Violet, Red, Orange
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20
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When light interacts with GLASS, what 3 things can occur? (see p 10 in guidebook)
Retransmission, Absorption, Reflection
Melting, Breaking, Shining
Refracting, Running, Interfering
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Light passes through glass because the molecules vibrate & pass those vibrations to neighboring atoms through the substance. This is called:
Absorption
Reflection
Retransmission
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