Forms of Energy

​Forms of Energy

Energy is the ability to do work or cause change

The unit for energy is Joule (J)

Multiple Choice

Potential Energy is:

• the energy of motion
• mostly conserved

• stored energy
• not a form of energy

Multiple Choice

Energy that is stored in food.

• chemical

• solar
• kinetic
• nuclear

Multiple Choice

A cell phone releases __________ energy.

• thermal, electrical, kinetic, and chemical

• radiant, electrical, thermal, and mechanical wave

• electrical, thermal, chemical, and mechanical wave

• mechanical wave, thermal, kinetic, and radiant

Multiple Choice

A combustion car uses __________ energy.

• thermal

• radiant

• electrical

• chemical

Multiple Choice

A rock on a hill stores __________ energy.

• thermal and kinetic

• kinetic and gravitational potential

• gravitational potential

• kinetic

Multiple Choice

A lamp begins with electrical energy when plugged in and turns into _________ energy when the light comes on.

• mechanical

• kinetic

• radiant

• sound

Multiple Choice

Electrical devices have been designed to convert electrical energy to other useful forms of energy. Choose the device which converts electrical energy to kinetic energy.

• Picture A

• Picture B

• Picture C

• Picture D

Multiple Choice

An avalanche transforms ________ energy into __________ energy.

• thermal / kinetic

• gravitational potential / kinetic

• gravitational potential / thermal

• kinetic / mechanical wave

Multiple Choice

A man riding a bike transforms ________ energy into __________ energy.

• thermal / kinetic

• chemical potential / kinetic

• gravitational potential / thermal

• kinetic / mechanical wave

Multiple Choice

An toaster transforms ________ energy into __________ energy.

• thermal / kinetic

• electrical / kinetic

• electrical / thermal

• chemical / mechanical wave

Multiple Choice

Photosynthesis transforms ________ energy into __________ energy.

• thermal / chemical

• mechanical wave / kinetic

• radiant / chemical

• thermal/ radiant

Multiple Choice

An hydroelectric plant transforms ________ energy into __________ energy and then into ________energy.

• thermal / kinetic / mechanical wave

• gravitational potential / kinetic / electrical

• gravitational potential / thermal / kinetic

• kinetic / mechanical wave / potential gravitation

Multiple Choice

What is the energy transformation?

• Kinetic to Mechanical and Electrical
• Chemical to Thermal and Radiant (light)

• Electromagnetic to Chemical and Electrical
• Kinetic to Sound and Chemical

Multiple Choice

Which of the following best describes the energy transformations that occur when a torch (flashlight) that runs on batteries is turned on?

• chemical to electrical to radiant and thermal

• radiant to electrical to sound and kinetic

• chemical to radiant to mechanical and electrical

• electric to radiant to chemical and thermal

Multiple Choice

Which point has greatest potential energy?

• A
• B
• C
• none

Multiple Choice

Which point has greatest kinetic energy?

• A
• B
• C
• none

Multiple Choice

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 

• The Potential Energy and Kinetic Energy increase and decrease together

• The Potential Energy decreases while the Kinetic Energy increases 

• Impossible to know without knowing the mass  

Multiple Choice

According to the Law of Conservation of Energy, energy can be...

• created in a system

• destroyed in a system

• transferred between systems

• All three answers are correct