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5
×
What is the name of the transition from Solid to Gas?
Sublimation
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10
×
Explain the relationship between heat and kinetic energy.
Heat increases the kinetic energy of particles.
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25
×
What are the factors that affect dissolution. Explain each factor if we want to increase dissolution.
1) Temperature - higher temperature 2) Agitation - more agitation 3) Particle Size - smaller particles
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baam
Lose 20 points!
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seesaw
Swap points!
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rocket
Go to first place!
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baam
Lose 25 points!
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15
×
Explain how a heat pump works in the summer and in the winter. What is the ground temperature at around 5m below surface?
Heat pump circulates water from the outside ground to cool and warm the home. The ground temperature is around 8-10 degrees C at 5m below surface.
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10
×
Name four effects of climate change.
Increased wildfires Increased flooding Decreased ice and glaciers Drought Sea levels rising
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20
×
Draw ten particles in a balloon that are at room temperature and ten particles in a balloon that are at 60°C.
See teacher
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5
×
What is the name of the transition from Liquid to Solid?
Freezing
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25
×
How would you separate the following mixtures? a) Vegetable oil and sand b) Salt and pepper c) Blood
a) Oil will float and sand will settle b) Add water to dissolve the salt and filter out the pepper. Evaporate water from salt water. c) Centrifuge
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20
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a) What type of separation is this? b) If the solvent is water, which sample is more soluble in water, O or P?
a) Paper chromatography b) P is more soluble in water
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seesaw
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rocket
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rocket
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baam
Lose 10 points!
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25
×
What is the Particle Theory of Matter?
See teacher
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15
×
Categorize the following as a mechanical mixture, solution, or pure substance. a) Pizza b) Ketchup c) Copper
a) Mixture b) Solution c) Pure substance
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15
×
Which of the following solids is most soluble at 40°C? What is the area above the curve and below the curve called?
Solid B is most soluble at 40 degrees C. Area above is called supersaturated, area below the curve is called unsaturated.
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10
×
Name the three gases responsible for the greenhouse effect.
carbon dioxide, methane, nitrous oxides
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banana
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fairy
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5
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25
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shark
Other team loses 20 points!
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thief
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