Unit 3 Test Energy

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of motion.

Front

What is potential energy?

Back

Potential energy is stored energy based on an object's position.

Front

What is a pulley?

Back

A pulley is a simple machine that helps lift heavy objects.

Front

What is a screw?

Back

A screw is a simple machine used to hold objects together or lift materials.

Front

What is hydroelectric power?

Back

Hydroelectric power is electricity generated by using the energy of moving water.

Front

What is wind energy?

Back

Wind energy is the energy obtained from the wind, often used to generate electricity.

Front

What is chemical energy?

Back

Chemical energy is the energy stored in food and fuels.

Front

What is electrical energy?

Back

Electrical energy is the energy of moving electric charges.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces.