Changes in Matter

Front

What is the measure of the average energy of random motion of particles?

Back

Temperature

Front

What is the ability to do work or cause change?

Back

Energy

Front

Which is NOT an example of a physical change?

Back

A gas forming

Front

An egg spoils. What type of change is this?

Back

Chemical change

Front

What is the total energy of all of the particles in an object?

Back

Thermal energy

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

Give an example of a physical change.

Back

Melting ice.

Front

Give an example of a chemical change.

Back

Rusting of iron.

Front

What happens to the particles in a substance during a physical change?

Back

The particles rearrange but the substance remains the same.