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thief
Give points!
5
10
15
20
25
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gift
Win 25 points!
Okay!
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shark
Other team loses 25 points!
Okay!
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banana
Go to last place!
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15
×
DEPENDENT VARIABLE - CHANGE IN RESPONSE TO IND. VARIABLE Which statement below would be a dependent variable?
Time studying for the phase change critical juncture
Test score on the phase change critical juncture
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15
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Ty had a container of a substance in the gas phase. He left it outside. Upon returning, it was a liquid. What happened?
molecules were moving away from each other then moving around each other
molecules were moving around each other then moving in place
molecules were moving around each other then moving away from each other
molecules were moving in place then moving around each other
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15
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What state of matter is shown below?
Gas
Solid
Liquid
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15
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INDEPENDENT VARIABLE - YOU CONTROL Which statement below would be an independent variable
Test score on the phase change critical juncture
Time studying for the phase change critical juncture
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15
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What state of matter is shown below?
Gas
Solid
Liquid
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baam
Lose 10 points!
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fairy
Take points!
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25
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gift
Win 10 points!
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lifesaver
Give 15 points!
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15
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Which object below has molecules that are moving?
both have moving molecules
neither has moving molecules
the glass of water
the ocean wave
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15
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What happens to molecules when their kinetic energy decreases?
they move slower
they get heavier
it would depend on the type of molecule
they move faster
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heart
Other team wins 25 points!
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gift
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shark
Other team loses 25 points!
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thief
Give points!
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15
20
25
15
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I have pink and blue liquid. Both have energy transferred in to them. Only the pink changes phase. Why?
blue has weaker attraction; now the molecules move away in place
pink has weaker attraction; now the molecules move away from each other
there is not enough information to answer this question
pink has stronger attraction; now the molecules move away from each other
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15
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Before leaving home, the pool was 21o C. Later, the pool was warmer. What happened to the molecules?
they got closer together
they lost cold molecules
they started moving faster
they became larger
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15
×
JT has a substance moving in place in a closed container. What happens if he transfers heat into the closed container?
molecules move faster and the substance would be a solid
molecules move slower and the substance would be a liquid
molecules move slower and the substance would be a solid
molecules move faster and the substance would be a liquid
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15
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Why will these ice samples not melt at the same rate even when they are exposed to the same amount of heat?
Adding heat will increase the kinetic energy at the same rate b/c of mass
Adding heat will increase the kinetic energy at different rates b/c of mass
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15
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What state of matter is shown below?
Gas
Solid
Liquid
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15
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Using the pattern shown in the table, what would you expect the temperature increase to be of a 300 g sample?
6 <sup>o</sup>F
0 <sup>o</sup>F
6 <sup>o</sup>2
12 <sup>o</sup>F
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