Properties of Matter #3

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, density, or melting point.

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 with acids.

Front

How do you calculate density?

Back

Density (d) is calculated using the formula d = m/v, where m is mass and v is volume.

Front

What is the density of an object with a mass of 9 g and a volume of 3 cm³?

Back

3 g/cm³.

Front

What does a pH of 7 indicate about a solution?

Back

A pH of 7 indicates that the solution is neutral.

Front

What does a pH greater than 7 indicate?

Back

A pH greater than 7 indicates that the solution is basic.

Front

What does a pH less than 7 indicate?

Back

A pH less than 7 indicates that the solution is acidic.

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change, as it changes from solid to liquid without altering its chemical composition.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change, as it transforms into ash and gases.