Worksheetscurry check
Total questions: 33
Worksheet time: 46mins
Potential energy depends on the ________ and ________ of the object.
Height (position)
Mass
Speed
Friction
Which point has the most potential energy?
G
F
B
A
The faster an object moves, the ________ kinetic energy it has.
more
less
Kinetic energy depends on the ________ and ________ of the object.
Height (position)
Mass
Speed
Friction
The equation KE = 1⁄2 mass x velocity2 is used to find which type of energy?
Kinetic Energy
Potential Energy
The equation PE = mass x gravity x height is used to find which type of energy?
Kinetic Energy
Potential Energy
Which of these has the most potential energy?
The Lay of Conservation of Energy states that energy cannot be ________ or ________, but it can change from one form to another.
created, destroyed
gravity, force
heat, created
Which of the following is an example of kinetic energy decreasing as the gravitational potential energy increases?
a person parachuting out of a plane
a car racing around an oval track
a person skiing down a hill
a person walking up a hill
What is the correct unit for energy?
meters (m)
kilogram meters per second (kg m/s)
Newtons (N)
Joules (J)
Calculate the potential energy of a car with a mass of 2,500 kg that is on a hill 100 meters above sea level.
250,000 J
2,450,000 J
2,451,663 J
248 J
Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs?
8.5 J
45 J
7.5 J
22.5 J
Alice kicks a soccer ball with a mass of 2.1 kg. The ball leaves the ground moving 30 meters per second. What is the kinetic energy of the soccer ball?
567 J
900 J
945 J
30 J
Ty lifts a set of 1250kg weights a vertical distance of 2m in a weight lifting contest. What Potential Energy do the weights now possess?
12,789 Joules
24,500 Joules
4,500 Joules
If the 0.3 kg marble was moving at 6 m/s at the bottom of the ramp, how much kinetic energy did the marble have? (KE = 1/2mv2)
5.4 J
1.8 J
3 J
6 J
A 50.0 kg cheetah is running at a speed of 26.83 m/s. What is its kinetic energy?
1341.5 J
17996.2 J
35388.8 J
67075 J
If the marble had a mass of 0.3kg and the hill was 2.3 m tall, how much potential energy did it have at the top of the ramp?
2.3 J
0.23 J
6.76 J
5.2 J
What does conservation of energy mean?
Total energy increases
Total energy decreases
Total energy in the universe stays the same
If the marble hits a basketball which makes the tennis ball roll across the lab table, what kind of energy transfer happened?
kinetic-potential
kinetic-kinetic
kinetic-electrical
kinetic-thermal
Which of the following are examples of chemical energy?
food
batteries
toasters
rubberbands
rubberbands
What type of energy do we get from the food we eat?
light
thermal
chemical
sound
What type of energy is stored in the chemical bonds of substances?
Chemical Energy
Nuclear Energy
Elastic Energy
Mechanical Energy
What type of energy is found in the nucleus of atoms?
nuclear energy
electric energy
thermal energy
sound energy
A flock of sheep are grazing in a field. As they eat, the sheep break down the molecules in the grass, which releases energy. Which form of energy is stored in the grass?
elastic energy
chemical energy
nuclear energy
thermal energy
Energy stored in a flexed, strecthed, or compressed object
gravitational potential energy
mechanical energy
kinetic energy
elastic potential energy
Particles move faster at _______ temperatures than ________ temperatures.
higher, lower
lower, higher
At which point of the roller coaster is potential energy the greatest?
W
X
Y
Z
What effect does increasing the mass of an object have on its gravitational potential energy?
Increases the potential energy
Decreases the potential energy
Has no effect on the potential energy
Initially increases then decreases the potential energy
What is changed to increase the potential energy of an object being dropped?
Temperature
Gravity
Height
Volume
Which type of potential energy is stored in the bonds of chemical compounds?
Gravitational Potential Energy
Elastic Potential Energy
Chemical Potential Energy
Electrical Potential Energy
Which has more gravitational potential energy?
A 0.25 kg apple sitting on a countertop 1 meters off the ground
A 1000 kg car sitting the driveway on the ground.
They have the same gravitational potential energy
