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Teams
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Score
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lifesaver
Give 25 points!
Oops!
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seesaw
Swap points!
Okay!
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rocket
Go to first place!
Okay!
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lifesaver
Give 10 points!
Oops!
15
×
A liquid is compressible because the particles are free to move about one another [True/False]
False - the particles are still closely arranged so incompressible
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15
×
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
×
What is the change of state from solid to liquid called?
Melting
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eraser
Reset score!
Oops!
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star
Double points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
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25
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baam
Lose 25 points!
Oops!
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gold
Win 50 points!
Okay!
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fairy
Take points!
5
10
15
20
25
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thief
Give points!
5
10
15
20
25
15
×
Why does the gas pressure decrease when you are higher?
There is less atmosphere above you pushing down
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15
×
A change of state is a Physical or Chemical change?
Physical - no new substance is formed and it is reversible.
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15
×
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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15
×
Transferring energy to an object will increase it's particles _________ energy.
Kinetic
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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
×
A solid is incompressible because the particles are closely arranged [True/False]
True
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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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The temperature of a system is the ___________ kinetic energy of the particles in the system.
average
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15
×
What is the change of state from liquid to solid called?
Freezing
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15
×
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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