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20
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If a mirror or lens is not curved, it is called __________.
Frosted
Concave
Convex
Flat
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20
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What is interference?
When light blocks the path of a spaceship
When light rays try to refract but get lost in the medium
When light rays try to reflect but run into each other
When someone gets in your way
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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 really pretty but too bright to look at
Light is projected from a source but is not visible
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20
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Choose the best statement about how light affects our ability to see objects.
Light is merely an illusion; you are seeing brain impulses.
Light has to refract through glass first, then enter our eye
Light only flows directly from the sun into our eyes.
Light has to reflect off objects & physically enter our eyes
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boom
Lose 50 points!
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shark
Other team loses 15 points!
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fairy
Take points!
5
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15
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25
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banana
Go to last place!
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20
×
The _______________ wants everything to be the same and is surprised when everything is different
Physicist
Chemist
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boom
Lose 50 points!
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gold
Win 50 points!
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rocket
Go to first place!
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baam
Lose 10 points!
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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?
Because God likes the color blue the best.
Ice particles high in the atmosphere look blue- they're cold
Ocean water reflects its blue color up to the atmosphere
Smaller blue light waves scatter off gas and dust particles
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20
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Light passes through glass because the molecules vibrate & pass those vibrations to neighboring atoms through the substance. This is called:
Retransmission
Reflection
Absorption
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eraser
Reset score!
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star
Double points!
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fairy
Take points!
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10
15
20
25
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baam
Lose 20 points!
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20
×
In Greek, the word âPhysicsâ literally means
Motion and matter
Forces and energy
Nature
The study of movement
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20
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What makes a rainbow show all the colors?
Light wavelengths act as projectors
Unicorns act as a rainbow horse army
Dust particles act as refractors
Drops of water act as prisms
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20
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True or False: UV-B causes premature wrinkles and goes deep into your skin.
False (It's UV-A)
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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?
Interference
Refraction
Projection
Reflection
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20
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What happens to the electrons in an object when light reflects off of it? They...
suck energy from the air to return to their original levels
vibrate in the same spot which sends waves of light out
fall down to original energy level, releasing light energy
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