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boom
Lose 50 points!
Oops!
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fairy
Take points!
5
10
15
20
25
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shark
Other team loses 20 points!
Okay!
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baam
Lose 25 points!
Oops!
15
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What is a word that means changing from a solid to a liquid?
melting
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25
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Why is frost an example of deposition?
Because water vapor changes directly to a solid skipping the liquid state.
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25
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What causes the water vapor to condense on the outside of a lemonade pitcher on a hot day?
The coolness of the pitcher removes the energy from the water vapor causing it to change to water droplets.
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20
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What causes thermal expansion?
adding heat/energy/increase in temperature/particles vibrating more rapidly
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25
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How are boiling and evaporation different?
Boiling is rapid while evaporation is slow/gradual.
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15
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What will most solids do when they are heated?
melt/expand
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baam
Lose 10 points!
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magnet
Take 25 points!
Okay!
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fairy
Take points!
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25
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thief
Give points!
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25
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Why do different kinds of matter change states at different temperatures and at different rates?
Each change depends on the particles and the forces.
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20
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How is ice an exception to the thermal contraction/expansion rule?
When water freezes to ice the volume increases rather than decreases.
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20
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What happens to a gas when energy is removed from a gas?
It turns to a liquid/condenses.
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heart
Other team wins 10 points!
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seesaw
Swap points!
Okay!
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gift
Win 25 points!
Okay!
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banana
Go to last place!
Oops!
25
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How are boiling and evaporation the same?
They both change a liquid to a gas.
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15
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How have engineers avoided issues to bridges caused by thermal expansion and contraction?
expansion joints
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15
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True or False? Heating or cooling will cause the volume of a substance to change.
True
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20
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Thermal expansion and contraction can strain bridges. Explain what is actually causing the bridge to weaken or break?
The bridge changing length straining the structural components.
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