2nd Grade Matter Flashcardizz

Front

What are the three states of matter?

Back

Solid, Liquid, Gas

Front

How does a solid differ from a liquid?

Back

A solid has a definite shape and volume, while a liquid has a definite volume but takes the shape of its container.

Front

What is a gas?

Back

A gas has no definite shape or volume and expands to fill its container.

Front

What is a physical change?

Back

A physical change is 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 chemical change results in the formation of new substances and is usually irreversible.

Front

Give an example of a physical change.

Back

Melting ice is an example of a physical change.

Front

Give an example of a chemical change.

Back

Burning wood is an example of a chemical change.

Front

What happens to the shape of a liquid when poured into a different container?

Back

A liquid takes the shape of its container.

Front

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

Back

A physical change does not change the substance's chemical identity, while a chemical change does.

Front

What is meant by 'irreversible change'?

Back

An irreversible change is a change that cannot be undone, such as burning or baking.