Potential and Kinetic Energy

Potential and Kinetic Energy

Science 8

Multiple Choice

What two factors affect an object's potential energy?

• area and volume

• area and height

• mass and height

• mass and velocity

Multiple Choice

The least amount of potential energy is at

• a

• b

• c

• d

Multiple Choice

How could you increase the gravitational potential energy of an object without changing its mass and gravity?

• Make the object larger

• Lower the object towards the ground

• Raise the object farther off the ground

• Allow the object to roll on the ground

Multiple Choice

A stretched rubber band represents what type of potential energy?

• gravitational potential energy

• elastic potential energy

• chemical potential energy

• kinetic potential energy

Multiple Choice

Which object has elastic potential energy?

• a hanging leaf

• a burning coal

• a rolling ball

• a stretched bow

Multiple Choice

This kid is using a slingshot. Does the slingshot have max or min elastic potential energy?

• max
• min
• no elastic potential energy

Multiple Choice

Where would a person have to be located to have the minimum gravitational potential energy?

• up on the roof

• down in the basement

• in the middle

• outside

Multiple Choice

Where would a person have to be located to have the maximum gravitational potential energy?

• up on the roof
• down in the basement
• in the middle
• outside

Multiple Choice

What type of potential energy does this automobile battery contain?

• gravitational potential energy

• elastic potential energy

• chemical potential energy

• kinetic potential energy

Multiple Choice

At which position does the child on the swing have the most gravitational potential energy?

• W

• X

• Y

• Z

Multiple Choice

You throw a ball into the air as shown in the diagram. At what point does the ball have the most potential energy?

• W

• X

• Y

• Z

Multiple Choice

All of the pictures are examples of what type of energy?

• gravitational potential energy

• elastic potential energy

• chemical potential energy

• kinetic potential energy

Multiple Choice

Why do objects at high elevations have more potential energy than objects at low elevations?

• Because the thinner air at higher elevations means objects have a greater potential to move very fast

• Because objects at high elevations are closer to the sun, which is the source of all energy on earth

• Because objects at high elevations tend to move slower than objects at low elevations

• Because gravity gives objects at high elevations the potential to fall much further

Multiple Choice

Which is the best synonym for potential energy?

• Stored energy

• Energy of motion

• Energy due to gravity

• Mechanical energy

Multiple Choice

When is potential energy transformed into kinetic energy?

• When an object at rest is lifted to a higher elevation.

• When an object at rest remains at rest.

• When an object at rest is put into motion.

• When an object in motion is stopped and put at rest.

Multiple Choice

When does a yo-yo have the most potential energy?

• When it's at its highest point.

• When it's at its lowest point.

• When it's moving between its highest and lowest points.

• When it's moving at its top speed.

Multiple Choice

Which object has the most potential energy?

• A ball resting on the ground.

• A ball being thrown at 100 miles per hour.

• A ball on top of a refrigerator.

• A ball resting on the edge of a cliff.

Multiple Choice

When does an object have no kinetic energy?

• When it's at rest.

• When it's moving very slowly.

• When the only force that's acting on it is gravity.

• When it has no electrical charge.

Multiple Choice

What is kinetic energy?

• The energy an object has due to its position or condition

• The energy an object has due to its motion

• The energy an object has due to its chemical composition

• The energy an object has due to its atomic structure

Multiple Choice

This model of the balloon shows ______ positive charges than negative charges. So this balloon is _____ charged.

• fewer/positively

• more/positively

• fewer/negatively

• more/negatively

Multiple Choice

Which picture is NOT an example of Chemical PE?

Multiple Choice

Which type of energy increases when you compress a spring?

• elastic potential energy

• kinetic energy

• radiant energy

• sound energy

Multiple Choice

Which would have the LEAST gravitational potential energy (GPE)?

• A ball sitting on the ground

• Moon viewed from the Earth

• An airplane flying 30,000 feet above the ground

• A rock sitting on top of Mt. Everest

Poll

Potential energy is stored energy. Objects that are higher up have more potential energy than objects that are lower (if both objects have the same mass). If two objects have different masses, the more massive objects has more potential energy (if they are are at the same height).

• I don't get it.

• GOT IT!