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Team 2
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Teams
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Score
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15
×
Sรณng รขm
Sound wave
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15
×
Why are whales and dolphins are able to communicate in water?
because whales and dolphins live in water
because they swim in groups
because sound waves can travel in liquids
because whales and dolphins have ears
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×
seesaw
Swap points!
Oops!
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fairy
Take points!
5
10
15
20
25
×
shark
Other team loses 10 points!
Okay!
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thief
Give points!
5
10
15
20
25
×
monster
Reset all scores!
Oops!
×
gift
Win 20 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
baam
Lose 25 points!
Oops!
×
heart
Other team wins 15 points!
Oops!
×
shark
Other team loses 25 points!
Okay!
×
rocket
Go to first place!
Okay!
×
thief
Give points!
5
10
15
20
25
×
monster
Reset all scores!
Oops!
×
gift
Win 20 points!
Okay!
×
gift
Win 20 points!
Okay!
×
lifesaver
Give 20 points!
Oops!
15
×
Why does sound NOT travel in a vacuum?
because it is too cold in a vacuum
because a vacuum is too large
because there are no particles to vibrate
because it is too dark in a vacuum
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15
×
Dao ฤแปng
Vibration
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15
×
รm thanh
Sound
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15
×
Among solids, liquids, and gases, sound travels fastest in . . .
solids
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15
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When sound waves travel, places where particles are close together are called . . .
compressions
refraction
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15
×
Which statement is true about sound?
sound comes from the vacuum
sound comes from the ear
sound comes from sources that vibrate
sound comes from all objects
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15
×
Between a solid and a gas, sound waves travel slower in the gas
TRUE
FALSE
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15
×
When a sound source vibrates, the vibration travelling through a medium is called s___ w___.
sound wives
sound wall
sound waves
sound will
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15
×
Nguแปn รขm
Sound source
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15
×
When sound waves travel from West to East, in which direction do the vibration move?
West to East
North to South
East to West
air particles don't move
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