Properties of Matter

Front

What is Acid Rain?

Back

Acid rain is a type of precipitation that is significantly more acidic than normal rain, primarily caused by the release of sulfur dioxide and nitrogen oxides into the atmosphere, which then react with water molecules.

Front

What type of change is Acid Rain?

Back

Chemical Change

Front

What happens to the atoms of a substance in a chemical change?

Back

Atoms bond together differently.

Front

What is a sign of a chemical change?

Back

Bubbles are a common sign of a chemical change, indicating a gas is being produced.

Front

What is Moldy Bread an example of?

Back

Chemical Change

Front

Which of the following is a physical change of matter?

Back

Water evaporating is a physical change.

Front

Define 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

Define Chemical Change.

Back

A chemical change is a change that results in the formation of new chemical substances, involving the breaking and forming of bonds.

Front

What are some indicators of a chemical change?

Back

Indicators include color change, temperature change, gas production (bubbles), and the formation of a precipitate.

Front

What is the difference between a physical and chemical change?

Back

A physical change does not alter the chemical composition of a substance, while a chemical change does.