Unit 4 Energy Review

What is the energy transformation of a toaster?

• Electrical to Nuclear

• Electrical to Chemical

• Electrical to Thermal

• Electrical to Electromagnetic

Which of the following has the most potential energy?

• A cup sitting on the edge of the counter

• A roller coaster moving down a hill

• A bowling ball rolling down the lane

• A person running on a track

What is the Law of Conservation of Energy?

• Energy can be created but not destroyed.

• Energy cannot be created but it can be destroyed.

• Energy cannot be created or destroyed.

• Energy can be created and destroyed.

What is an energy transformation?

• When energy is destroyed.

• When energy is created.

• When energy changes from one form to another.

• When energy stays constant.

What is a battery an example of?

• Electrical energy

• Chemical energy

• Nuclear energy

• Mechanical energy

Using the phase change diagram pictured, what state of matter is this material at point C?

• Solid

• Liquid

• Gas

• Plasma

Which form of heat transfer occurs with circular fluid motion?

• Conduction

• Convection

• Radiation

• Induction

Rubbing your hands together to warm them up is an example of the energy transfer chemical to mechanical and __________.

• Nuclear

• Thermal

• Chemical

• Radiant

A plant converts radiant energy to ___________ energy.

• Nuclear

• Mechanical

• Chemical

• Electromagnetic

A car engine converts chemical energy into _________ energy.

• Electrical

• Mechanical

• Nuclear

• Potential