Energy: Potential & Kinetic

Multiple Choice

Energy can be created.

• True
• False

Multiple Choice

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

Multiple Choice

According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?

• The total amount of energy remains the same after a reaction

• The total amount of energy is less after a reaction
• The total amount of energy is more after a reaction

Multiple Choice

Stored energy is called ______ energy.

• Kinetic
• Potential
• Pacific
• Safe

Multiple Choice

The motion of waves, electrons, atoms, molecules, substances, and objects is called ___________ energy.

• Kinetic
• Potential
• Moving
• Kaliedic 

Multiple Choice

Energy delivered by tiny charged particles called electrons is called_________ energy.

• Electrical
• Light
• Heat
• Sound

Multiple Choice

What is the form of energy that is created using heat?  This form of energy makes particles of matter move faster.

• light energy
• thermal energy
• chemical energy
• kinetic energy

Multiple Choice

What is the energy of moving objects, or the energy of moving parts of a machine?

• electrical energy
• solar energy
• mechanical energy
• potential energy

Multiple Choice

What is the ability to do work or cause change?

• reflect
• energy
• refract
• absorb

Multiple Choice

What kind of energy is represented in the picture?

• Thermal
• Chemical
• Sound
• Nuclear

Multiple Choice

What kind of energy is this?

• electromagnetic

• magnetic

• nuclear

• electrical

Multiple Choice

The spinning blades on a wind turbine are an example of ...

• chemical energy

• nuclear energy

• thermal energy

• mechanical energy

Multiple Choice

What kind of energy is shown here?

• electrical

• thermal

• chemical

• nuclear

Multiple Choice

Which is the best example of kinetic energy?

• a car parked on a steep hill 
• a tennis ball rolling across the court
• a picture hanging on the wall 
• a piece of coal before it's burned 

Multiple Choice

What would have the greatest kinetic energy?

• A car driving down a hill.
• A person running down a hill. 
• A ball rolling down a hill. 

Multiple Choice

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

• When it's moving at its top speed.

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

• When it's at its lowest point.

• When it's at its highest point.

Multiple Choice

Which would have the greatest gravitational potential energy?

• A 4lb rat on a school desk
• A 45lb dog in an oak tree
• A 14 pound platypus on a swing
• A 45lb child on a bike

Multiple Choice

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Multiple Choice

A stretched object, such as a rubber band, has _____________
potential energy.

• electrical
• gravitational
• kinetic
• elastic

Multiple Choice

Energy can be _____________ or changed from one type to another.

• destroyed
• transferred
• created
• ignored

Multiple Choice

Food has _________ energy. 

• Potential 
• Kinetic 
• None of the above 
• All of the above 

Multiple Choice

If the skier is at the top of the hill waiting for the whistle to blow for his turn to ski, he has ____________, after the whistle blows and he starts his ski run, he has ___________ .

• kinetic energy; potential energy
• potential energy; friction
• kinetic energy; gravity
• potential energy; kinetic energy

Multiple Choice

A ball is released from rest at position 1.  The diagram shows the ball in four positions as it rolls along a track from left to right. In which position does the ball have its minimum gravitational potential energy and maximum kinetic energy?

• 1
• 2
• 3
• 4

Multiple Choice

At which position would the roller coaster be transforming kinetic energy to potential energy?

• A to B
• B to C
• C to D
• No such transformation.

Multiple Choice

A book falls from a desk. Which  BEST describes the book’s change in potential energy?

• The potential energy is increased so the total amount of energy is increased
• The potential energy is decreased so the total energy is decreased
• The potential energy is increased so the total is decreased
• Potential energy will change to kinetic energy, but the total energy remains constant

Multiple Choice

At which point is potential energy greatest?

• W
• X
• Y
• Z

Multiple Choice

What kind of energy is in a moving skateboard?

• Potential
• Kinetic

Multiple Choice

Why did the potential energy of the box increase?

• The box was moved to a higher position.

• The box produced potential energy.

• The box lost mass.

Multiple Choice

Eventually, the swing will stop moving because...

• Kinetic energy was lost or destroyed.

• Potential energy was created.

• All of the energy was converted into another type of energy, like thermal energy.

Multiple Choice

Energy cannot be created nor destroyed, only transferred from one form to another.

• True

• False

Multiple Choice

At which labeled point on the diagram does the ball have the MOST kinetic energy?

• 3

• 1

• 2

• 4

Multiple Choice

At which position does the pendulum have the maximum potential energy?

• Position 1

• Position 2

• Position 3

• Position 4

Multiple Choice

As the ball moves from Point 3 to Point 4, which energy conversion is taking place?

• kinetic energy to potential energy

• kinetic energy to thermal energy

• potential energy to kinetic energy

• thermal energy to kinetic energy

Multiple Choice

Which statement is true about energy in a system?

• Friction reduces the efficiency in a system.

• The amount of energy in a system remains constant.

Multiple Choice

A perpetual motion machine is a theoretical device which, once started, continues to operate without any additional input of energy. Which statement describes why a perpetual motion machine is impossible to design?

• A) Energy can be converted into mass.

• B) Potential energy can be converted into kinetic energy.

• C) Energy cannot be created or destroyed, only transformed.

Multiple Choice

A student pushed a rock from the top of a hill. What type of energy change occurred after the rock was pushed?

• A) Electrical energy was converted to heat energy.

• B) Heat energy was converted to potential energy.

• C) Kinetic energy was converted to electrical energy.

• D) Potential energy was converted to kinetic energy.