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Team 2
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Teams
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Score
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15
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Why does sound NOT travel in a vacuum?
because a vacuum is too large
because it is too dark in a vacuum
because there are no particles to vibrate
because it is too cold in a vacuum
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15
×
When a sound source vibrates, the vibration travelling through a medium is called s___ w___.
sound wall
sound waves
sound will
sound wives
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15
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Among solids, liquids, and gases, sound travels fastest in . . .
solids
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15
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Nguแปn รขm
Sound source
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15
×
When sound waves travel from West to East, in which direction do the vibration move?
East to West
North to South
West to East
air particles don't move
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heart
Other team wins 25 points!
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×
star
Double points!
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×
shark
Other team loses 15 points!
Okay!
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thief
Give points!
5
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25
15
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Between a liquid and gas, sound waves travel . . . in liquid
faster
slower
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15
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Among solids, liquids and gases, sound travels the . . . in gases.
fastest
slowest
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15
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รm thanh
Sound
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15
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When sound waves travel, places where particles are close together are called . . .
refraction
compressions
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baam
Lose 5 points!
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magnet
Take 20 points!
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fairy
Take points!
5
10
15
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25
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baam
Lose 10 points!
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15
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Which of the following causes sound?
vibration from the sound sources
reflection from the sound waves
the colour of the sound sources
the size of the sound sources
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15
×
Why are whales and dolphins are able to communicate in water?
because they swim in groups
because whales and dolphins have ears
because sound waves can travel in liquids
because whales and dolphins live in water
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15
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Sound waves cannot travel in vacuum because there are few or even no p_rt_c_es to vibrate.
particles
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15
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Dao ฤแปng
Vibration
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lifesaver
Give 20 points!
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seesaw
Swap points!
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fairy
Take points!
5
10
15
20
25
×
banana
Go to last place!
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