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Worksheetsquarterly assessment review
Total questions: 15
Worksheet time: 8mins
Check off all of the ways that you can speed up the dissolution of a solute in a solvent. (example: Dissolving salt in water)
Add more heat
Add ice to the solvent
Put in larger particles of the solute
Stir faster
Grind up the solute into smaller particles
A cyclist travels 24 kilometers in 2 hours. What is the cyclist’s average speed?
10 km/h
12 km/h
15 km/h
24 km/h
During which time interval was Emma moving the fastest?
0-1 seconds
1-2 seconds
2-4 seconds
What was her speed during that interval?
80 km/h
40 km/h
200 km/h
0 km/h
What does the flat section of the graph represent?
A constant rate
An increasing rate
A decreasing rate
No change
A car is traveling east at a speed of 60 km/h. Another car is traveling west at a speed of 60 km/h. Which of the following statements is true about their velocities?
Both cars have the same velocity because their speeds are equal.
The cars have different velocities because they are moving in opposite directions.
Velocity does not depend on direction, so the cars have the same velocity.
Velocity is only based on acceleration, so we cannot determine it from this information.
The table below shows the distance a runner traveled over different time intervals during a race. What was the runner’s average speed for the entire race?
50 m/h
125 m/h
15 km/h
200 m/h
What is the best definition of thermal energy?
The ability to do work or cause change in the system
The total energy of all particles in a substance
An energy an object possesses due to its motion
The amount of mass an object possesses
To make rock candy, you need to supersaturate water with sugar. What does that mean?
Add sugar to the water until it can no longer dissolve
Add heat to the solution
Add more sugar to the solution than can dissolve in the water
Add more water to the solution
energy is energy in motion while energy is stored energy.
Potential, kinetic
Elastic, solar
Thermal energy is transferred from one object to the next until (a) .
The warmer object runs out of heat
both objects are the same temperature and have reached thermal equilibrium
both objects are at a freezing temperature
an unbalanced force acts upon one of the objects.
If all the planets revolved around Earth, what would have to be true about earth?
A. Earth would have to be the first planet closest to the sun
B. Earth would need to be a gas planet
C. Earth would rotate counterclockwise
D. Earth would have to have the most mass in the solar system
Why are fertilizers and pesticides using farming dangerous to our watersheds?
Farming the land too much, increases erosion
Pesticides can cause certain insects to become extinct
Water runoff can carry the pollutants into our drinking water
They are no longer dangerous since they are now highly regulated.
Which of the following is not part of our dependence on oceans?
Gas and oil
Food
Carbon dioxide
Ocean transports
Commercial and recreational fisherman are restricted in the size, annual number caught, and seasons that they can fish for the Atlantic halibut. Why might this be?
The Atlantic halibut populations are currently below target levels
The Atlantic Halibut is a poisonous fish
To keep the demand of the Atlantic Halibut higher than the supply
The Atlantic Halibut is over bred and populations are too high right now
