CAST REVIEW: States of matter Physical vs chemical changes

Front

What are the three main states of matter?

Back

Solid, Liquid, Gas.

Front

What state of matter has a definite shape and volume?

Back

Solid.

Front

What state of matter has a definite volume but takes the shape of its container?

Back

Liquid.

Front

What state of matter has neither a definite shape nor a definite volume?

Back

Gas.

Front

What is a physical change?

Back

A change that does not result in the formation of a new substance.

Front

What is a chemical change?

Back

A change that results in the formation of one or more new substances.

Front

Is melting ice a physical or chemical change?

Back

Physical change.

Front

Is burning wood a physical or chemical change?

Back

Chemical change.

Front

What happens to the molecules in a gas?

Back

They spread out and fill the container.

Front

What happens to the molecules in a solid?

Back

They are closely packed and vibrate in place.