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15
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Which material will allow light to pass through them but will disperse it? window, sun glasses or mirror?
Sun glasses, because is a translucent material.
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15
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A mirror is an example of reflexion or refraction?
Reflection (Light changes direction when hitting an object)
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thief
Give points!
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25
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rocket
Go to first place!
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fairy
Take points!
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25
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baam
Lose 20 points!
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15
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What would we observe if we change a mercury thermometer from a warm body to a cooler one?
Change in volume. The mercury would contract because the temperature is lower.
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15
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Name a form of energy that is produced by the vibration of bodies...
Sound
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seesaw
Swap points!
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fairy
Take points!
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25
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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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If there is atrain coming...how would we hear it first, through air or ground?
Ground, because is a denser material and the sound vibrates more.
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15
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Name the change of state: When a puddle begins to have a layer of ice in the winter...
Solidification.
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15
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True or false: Heat always travels from the colder body to the warmer one.
False
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15
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Name the qualities of sound?
Volume, pitch and timbre.
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heart
Other team wins 25 points!
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gold
Win 50 points!
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rocket
Go to first place!
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banana
Go to last place!
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15
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True or false: Sound travels better and faster in space.
False. Because sound travels better when the medium is denser and there is no air in space. (vaccum)
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15
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How is the pitch of a double bass?
Low
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15
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What type of light source is a star?
Natural.
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15
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How is the pitch of a bird chirping?
High.
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15
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Name the change of state: When you are in the car and the windows get foggy...
Condensation
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