Science-Changes in Matter

Front

What is a physical change?

Back

A physical change is a change in some properties of matter that does not form a different kind of matter.

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape.

Front

What is a liquid?

Back

A liquid is a substance that has a definite volume but does not have a definite shape.

Front

What is a mixture?

Back

A mixture is when different materials are placed together, but each material keeps its own properties.

Front

What is the law of conservation of matter?

Back

The law of conservation of matter states that in any chemical change or physical change, the total mass of the matter does not change.

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What is a gas?

Back

A gas is a state of matter that does not have a definite shape or volume.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not create a new substance, while a chemical change results in the formation of new substances.

Front

Can you give an example of a physical change?

Back

An example of a physical change is melting ice into water.

Front

Can you give an example of a chemical change?

Back

An example of a chemical change is rust forming on iron.