Measuring Matter

Front

What is a physical change?

Back

A physical change alters the form or appearance of a substance without changing its composition.

Front

What is a chemical change?

Back

A chemical change results in the formation of new substances with different properties.

Front

What happens during cooking that makes it a chemical change?

Back

Cooking results in the formation of new substances.

Front

At what temperature does water boil?

Back

Water boils at 100 degrees Celsius or 212 degrees Fahrenheit.

Front

What happens when you cut a magnet in half?

Back

Each half becomes a separate magnet with its own north and south poles.

Front

What is the difference between physical and chemical changes?

Back

Physical changes do not change the composition of a substance, while chemical changes do.

Front

Can a chemical change be reversed?

Back

Most chemical changes are not easily reversible.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change.

Front

What is matter?

Back

Matter is anything that has mass and takes up space.