Changes in Matter

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 is a change that results in the formation of new chemical substances, altering the chemical composition of the original substance.

Front

Is dissolving Gatorade powder in water a physical or chemical change?

Back

It is a physical change.

Front

What is thermal conductivity?

Back

Thermal conductivity is the ability of a substance to conduct heat from one area to another.

Front

Is copper tarnishing a physical or chemical change?

Back

It is a chemical change.

Front

What happens to the mass of a substance during a physical change?

Back

The mass of a substance remains the same during a physical change.

Front

What is an example of a chemical change?

Back

Baking dough is an example of a chemical change.

Front

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

Back

A physical property can be observed without changing the substance's chemical identity, while a chemical property can only be observed during a chemical reaction.

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 reaction?

Back

Rusting of iron is an example of a chemical reaction.