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15
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When trying to find the density of a regular shaped object, how can you find the object's volume?
Measure the sides and use geometry to calculate the volume.
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15
×
What is the specific latent heat of vaporisation?
The energy needed to turn 1kg of a substance from a liquid to a gas
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15
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Why do crisp packets expand on a plane?
The gas pressure outside the crisp packet drops, the volume of the gas inside the crisp packet increases.
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15
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Why does the gas pressure decrease when you are higher?
There is less atmosphere above you pushing down
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banana
Go to last place!
Oops!
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shark
Other team loses 20 points!
Okay!
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shark
Other team loses 25 points!
Okay!
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lifesaver
Give 25 points!
Oops!
15
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What is the change of state from solid to liquid called?
Melting
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15
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When you are pumping up a football, What happens to the gas pressure inside and why?
Increases - because you are adding more particles to the container
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trap
No points!
Oops!
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shark
Other team loses 25 points!
Okay!
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rocket
Go to first place!
Okay!
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lifesaver
Give 25 points!
Oops!
15
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When trying to find the density of an irregular shaped object, how can you find the object's volume?
Submerge in water - record the volume of water displaced
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15
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What is the change of state from gas to liquid called?
Condensing
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15
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Why does this heating vs temperature graph have two horizontal parts?
The object is changing state, energy is used to break bonds not increase the temperature
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monster
Reset all scores!
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rocket
Go to first place!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
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15
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Why can this duck float?
The duck's density is less than water / it is displacing a volume of water with more mass than itself
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15
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How do you calculate denisty?
Mass / Volume
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15
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When trying to find the density of an object how can you find the object's mass?
Place the object on a top pan balance
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15
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Transferring energy to an object will increase it's particles _________ energy.
Kinetic
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