PHD Science Module 2 Energy Flashcard

Front

What is energy?

Back

Energy is the ability to make things happen or to do work.

Front

What do wind turbines do?

Back

Wind turbines generate electricity by converting wind energy into electrical energy.

Front

Which of the following does not show evidence of energy? A burning candle, A running faucet, A moving car, A sleeping cat.

Back

A sleeping cat does not show evidence of energy.

Front

What is a wind farm?

Back

A wind farm is a group of wind turbines that work together to generate electricity.

Front

What happens when the wind blows on a wind turbine?

Back

The blades of the wind turbine start to spin, generating electricity.

Front

What is an observation in science?

Back

An observation is something you notice or perceive using your senses.

Front

What is the purpose of windmills?

Back

Windmills are used to generate electricity and can also be used for pumping water.

Front

What is the difference between energy and matter?

Back

Energy is the ability to do work, while matter is anything that has mass and takes up space.

Front

What is an example of kinetic energy?

Back

A moving car is an example of kinetic energy.

Front

What is potential energy?

Back

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