Energy Transformations Review

Front

What type of energy is stored in a battery?

Back

Chemical energy.

Front

What is kinetic energy?

Back

Energy of motion.

Front

What does the law of Conservation of Energy state?

Back

Energy cannot be created or destroyed, it can only change from one form to another.

Front

What is the main source of all light on Earth?

Back

The Sun.

Front

Give an example of electrical energy being transformed into mechanical energy.

Back

The blades of a fan turning after it has been plugged into an electrical outlet.

Front

What is potential energy?

Back

Energy stored in an object due to its position or state.

Front

What is the formula for kinetic energy?

Back

KE = 1/2 mv^2, where m is mass and v is velocity.

Front

What is the difference between renewable and non-renewable energy sources?

Back

Renewable energy sources can be replenished naturally (e.g., solar, wind), while non-renewable sources cannot (e.g., fossil fuels).

Front

What is mechanical energy?

Back

The sum of potential and kinetic energy in an object.

Front

How does energy transformation occur in a light bulb?

Back

Electrical energy is transformed into light and thermal energy.