WOW #5: Physical and Chemical Properties

Front

What is a physical property?

Back

A characteristic of a substance that can be observed or measured without changing its identity, such as color, melting point, or density.

Front

What is a chemical property?

Back

A characteristic of a substance that describes its ability to change into different substances, such as flammability or reactivity.

Front

What is melting point?

Back

The temperature at which a solid becomes a liquid; it is a physical property.

Front

What is flammability?

Back

The ability of a substance to burn; it is a chemical property.

Front

What does luster refer to?

Back

The way a surface reflects light; it is a physical property.

Front

What is solubility?

Back

The ability of a substance to dissolve in a solvent; it is a physical property.

Front

Can a chemical change be reversed?

Back

No, a chemical change results in new substances that cannot be changed back to the original substance.

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 properties of a substance during a chemical change?

Back

The properties change because new substances are formed.