WorksheetsEnergy and Motion
Total questions: 12
Worksheet time: 8mins
Name
Class
Date
1.
Four cubes of different materials are placed on a shelf 10 meters from the floor. Which cube has the LEAST amount of potential energy?
a)
Brass, 15g
b)
Wood, 8g
c)
Aluminum, 10g
d)
Lead, 18g
2.
A new school, in a dry sunny region, is being constructed as a "green school" which means all efforts are made to make the school as environmentally friendly as possible. Which of the following would be the MOST practical way to supplement or add to the electrical power system?
a)
Gas powered generators outside the building.
b)
Hydroelectric power from a school pond.
c)
Nuclear power plant in the utility room.
d)
Solar panels on the roof.
3.
Looking at the image of the road, which selection organizes the points of potential energy from the LEAST to GREATEST?
a)
B, A, E, F
b)
A, B, C, D
c)
D, F, E, C
d)
D, E, F, B
4.
An object can store energy as the result of its position. Therefore, an object that has _________ and is _________ will have a great amount of potential energy.
a)
a small mass, low in elevation
b)
a large mass, high in elevation
c)
a hollow inside, thrown down with great force
d)
elastic potential energy, gravitational potential energy
5.
If Ball A (100g) and Ball B (80g) were traveling down a bowling lane at the SAME speed, which one would have more kinetic energy? Why?
a)
Ball A because it was thrown first.
b)
Ball B because it was thrown first.
c)
Ball A because it has a greater mass.
d)
Ball B because it has less mass.
6.
Which of the following energy transformation systems would be MOST affected by changes in weather?
a)
Geothermal power generation.
b)
Natural gas power generation.
c)
Nuclear power generation.
d)
Wind turbine power generation.
7.
If two paper airplanes were thrown at the same time and had the same speed, but one was thrown from a height of 20 meters and the other from a height of 15 meters, what could be concluded about the two paper airplanes?
a)
The two airplanes have the same kinetic energy, but different potential energies.
b)
The airplane at the lower height has greater potential energy.
c)
The two airplanes have the same potential energy, but different kinetic energies.
d)
The airplane at the higher height has a greater kinetic energy.
8.
When wanting to go on the roller coaster with the MOST potential energy, which one should you pick?
a)
Red
b)
Blue
c)
Neither red or blue.
d)
Both are equal in potential energy.
9.
Mr. Smith wants to save energy in his household. What action would save him the most energy in his house?
a)
Leaving the water running when he brushes his teeth.
b)
Turning off the air conditioner when he is not home.
c)
Leaving his bedside lamp on while he sleeps.
d)
Leaving the door open on a warm day.
10.
A student was cooking chicken in a frying pan on a gas stove. What transfer of heat is responsible for cooking the chicken?
a)
Radiation
b)
Convection
c)
Electrical
d)
Conduction
11.
Students are conducting a thermal energy transformation experiment using two cups of water. Cup A is hot water mixed with yellow food coloring. Cup B is cold water mixed with blue food coloring. When students combine Cup A and Cup B into a large beaker, which type of thermal energy transformation are the students witnessing as the two waters mix?
a)
Radiation
b)
Convection
c)
Electrical
d)
Conduction
12.
Which examples best verifies the fact that thermal energy will move from warm areas toward cool areas until uniform temperature is achieved?
a)
A person sitting under a fan feels cooler than a person sitting far away from the fan.
b)
A refrigerator stays cool until it loses electrical power, at which point the refrigerator will heat up.
c)
An ice cube is sprinkled with salt which causes the ice cube to melt.
d)
A radiator pumps heat into a cold room and the radiator eventually shuts off once the entire room has reached a certain temperature.
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