Chemical and Physical Properties and Changes

Front

True or false: A substance that undergoes a physical change is still the same substance after the change.

Back

True

Front

Physical or chemical property: Iron is magnetic.

Back

Physical

Front

Which of the following is NOT a sign that a chemical change has taken place? A gas is produced, A change in state, Heat or light is produced, Gas bubbles form.

Back

A change in state

Front

When an object can be hammered into sheets or different shapes, they are considered ______________.

Back

Malleable

Front

Physical or chemical change? Copper reacting with vinegar and salt to create a blackish tarnish.

Back

Chemical

Front

What is a physical property?

Back

A characteristic of a substance that can be observed without changing its identity.

Front

What is a chemical property?

Back

A characteristic that can only be observed during a chemical reaction.

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

Give an example of a physical change.

Back

Melting ice into water.