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15
×
Name two things that can speed up evaporation.
Higher temperature, larger surface area, wind, lower humidity
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15
×
What happens to particle movement when temperature increases?
Particles move faster.
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15
×
What state of matter is water at room temperature?
Liquid
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trap
No points!
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gold
Win 50 points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 25 points!
Oops!
15
×
Why are gases easy to compress?
There is lots of empty space between particles.
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thief
Give points!
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25
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rocket
Go to first place!
Okay!
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shark
Other team loses 25 points!
Okay!
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thief
Give points!
5
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25
15
×
Explain the difference between a physical change and a chemical change.
A physical change does not create a new substance; a chemical change creates a new substance.
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15
×
What is the process called when a liquid changes into a gas?
Evaporation (or vaporisation)
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seesaw
Swap points!
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fairy
Take points!
5
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25
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shark
Other team loses 15 points!
Okay!
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lifesaver
Give 10 points!
Oops!
15
×
In which state of matter are particles packed closest together?
Solid
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15
×
Name one property of a liquid.
Takes the shape of its container / can flow / has a fixed volume
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15
×
What are the three common states of matter?
Solid, liquid, gas
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15
×
What happens to particles during diffusion?
They spread out until evenly distributed.
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15
×
What is the smallest particle that still keeps the properties of an element?
Atom
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trap
No points!
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seesaw
Swap points!
Okay!
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gift
Win 25 points!
Okay!
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thief
Give points!
5
10
15
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25
15
×
A student leaves a puddle of water outside. After a few days it disappears. What process occurred?
Evaporation
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