Changes in Matter

Front

What is a change that alters the form or the appearance of matter?

Back

Physical change

Front

Does thermal energy always flow from cooler to warmer matter?

Back

False

Front

Is it true that matter is not created or destroyed during a chemical change?

Back

True

Front

What is an example of a change in state (solid, liquid, gas)?

Back

Physical change

Front

Which of the following is NOT an example of physical change: Bending, Chopping, Breaking, Burning?

Back

Burning

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

What is the law of conservation of mass?

Back

In a chemical reaction, matter is neither created nor destroyed.

Front

What happens to the molecules during a physical change?

Back

The arrangement of molecules changes, but their chemical structure remains the same.

Front

What is an example of a chemical change?

Back

Rusting of iron.