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15
×
Refraction occurs when...
light bends.
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15
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What kind of object allows all light to pass through it, and you can see through it?
Transparent
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15
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What is the height of a sound wave from the midway point to the top of the wave crest that determines how loud a sound is called?
amplitude
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15
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When you hold up a prism to a light source, what happens to the light when it passes through and leaves out the other side of the prism?
It bends after it enters the prism and separates into the colors that make up white light.
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15
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A guitar string makes a higher pitches sound when you tighten the string. Why?
Tightening the string makes it vibrate faster.
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baam
Lose 25 points!
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rocket
Go to first place!
Okay!
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gift
Win 25 points!
Okay!
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banana
Go to last place!
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15
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What type of communication would not work for astronauts on the moon?
Making sounds
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eraser
Reset score!
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gold
Win 50 points!
Okay!
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shark
Other team loses 10 points!
Okay!
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thief
Give points!
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25
15
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Do shorter sound waves, or waves with a lower amplitude, have a higher or lower volume?
Lower
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15
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Do sound waves closer together have a higher or lower pitch?
Higher
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15
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What is it called when a sound bounces off of an object and you can hear it over and over?
An echo.
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15
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What type of lens curves inward and causes light to spread out?
Concave
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thief
Give points!
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25
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star
Double points!
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fairy
Take points!
5
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25
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baam
Lose 5 points!
Oops!
15
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When a flashlight is aimed at a mirror or other smooth and shiny object, what happens to the light after if first hits the mirror?
It bounces off at the same angle that it hit the mirror.
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15
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Sound waves travel through...
solids, liquids, and gasses.
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15
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What is a measure of how high or how low a sound is?
pitch
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