Lesson 1-2 Flashcard Corrected Version

Front

What happens when you turn on a light switch?

Back

Electrical energy is converted into light energy and heat.

Front

What is potential energy?

Back

Potential energy is the stored energy in an object due to its position or state.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

Front

How does energy from the sun travel to Earth?

Back

Energy from the sun travels to Earth in the form of light.

Front

What is an example of potential energy changing into kinetic energy?

Back

A book falling off the edge of a desk.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential and kinetic energy in an object.

Front

What is an example of mechanical energy in everyday life?

Back

Using a toothbrush to clean your teeth.

Front

What is light energy?

Back

Light energy is a form of energy that is visible to the human eye.

Front

What is heat energy?

Back

Heat energy is the energy that comes from the temperature of matter.

Front

What is an example of an object with potential energy?

Back

A sleeping cat is an example of potential energy.