Physical and chemical properties and changes

Front

What is a physical change?

Back

A physical change is a change in which no new substance is created and no bonds are created or destroyed.

Front

What is a chemical change?

Back

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

Front

Give an example of a physical change.

Back

Tearing a piece of paper into smaller pieces.

Front

Give an example of a chemical change.

Back

Grass growing is an example of a chemical change.

Front

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

Back

The mass remains the same during a physical change.

Front

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

Back

The mass is conserved, but the substances change into new substances.

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed without changing its identity, such as color, shape, or melting point.

Front

What is a chemical property?

Back

A chemical property is a characteristic that can only be observed during a chemical reaction, such as flammability or reactivity.

Front

What is an example of a physical property?

Back

Color is an example of a physical property.

Front

What is an example of a chemical property?

Back

Flammability is an example of a chemical property.