Topic 3 Energy

Front

What happens when you press a piano key?

Back

Energy is transferred from the piano key to the strings, then to the air, and finally to your eardrum.

Front

What is the total amount of energy on a roller coaster?

Back

The total amount of energy remains the same throughout the ride.

Front

What types of energy are produced when you run?

Back

Chemical energy is converted into kinetic and thermal energy.

Front

Can energy be lost when riding a roller coaster?

Back

False, energy is conserved; it can change forms but is not lost.

Front

What is the result of 2.3J - 0.5J?

Back

1.8J

Front

Define energy transfer.

Back

Energy transfer is the process of energy moving from one object or system to another.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object due to its motion.

Front

What is potential energy?

Back

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

Front

What is thermal energy?

Back

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

Front

What is the law of conservation of energy?

Back

The law states that energy cannot be created or destroyed, only transformed from one form to another.