6th Unit 4 Test Review

Front

What are the energy transfers involved in a flashlight?

Back

Chemical energy --> electrical energy --> light energy

Front

Define a wave.

Back

A wave is a disturbance of energy as it travels.

Front

What energy transfer occurs in a hydroelectric dam?

Back

Moving water --> electrical energy

Front

What type of energy is displayed when you pull back and hold a bow string?

Back

Potential Energy

Front

What is potential energy?

Back

Stored energy based on an object's position.

Front

What is the relationship between potential energy and an object's height?

Back

Potential energy increases as an object's height increases.

Front

What is kinetic energy?

Back

The energy of an object due to its motion.

Front

How is kinetic energy calculated?

Back

Kinetic energy is calculated using the formula KE = 1/2 mv², where m is mass and v is velocity.

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

Front

What is an example of energy transformation in a battery-powered device?

Back

Chemical energy in the battery is transformed into electrical energy.