Energy Conversion and Conservation - Lesson 15

Front

What unit is energy measured in?

Back

Joules

Front

What is an example of energy transformation when rubbing hands together?

Back

Kinetic to sound and thermal energy

Front

What happens to mechanical energy on a roller coaster as it goes down a hill?

Back

It transforms into sound and thermal energy

Front

What do sound waves need to travel through?

Back

Medium such as air or wood

Front

What type of energy does water in the form of steam have more of compared to water in a lake?

Back

Thermal energy

Front

What is energy conservation?

Back

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

Front

What is kinetic energy?

Back

The energy an object possesses due to its motion.

Front

What is potential energy?

Back

The stored energy of an object due to its position or state.

Front

What is an example of potential energy?

Back

A rock held at the top of a hill has gravitational potential energy.

Front

What is the law of conservation of energy?

Back

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