Properties of Matter

Front

What is the freezing point?

Back

The freezing point is the temperature at which a substance changes from a liquid to a solid. It is a physical property.

Front

What does the size of an object represent?

Back

The size of an object is a physical property that describes how large or small the object is.

Front

What is matter?

Back

Matter is anything that occupies space and has mass.

Front

Which of the following is considered matter?

Back

Air is considered matter because it occupies space and has mass.

Front

What happens when milk goes sour?

Back

When milk goes sour, it undergoes a chemical change.

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed or measured without changing its identity.

Front

What is a chemical property?

Back

A chemical property is a characteristic of a substance that describes its ability to change into different substances.

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice, where the ice changes from solid to liquid but remains water.

Front

What is an example of a chemical change?

Back

An example of a chemical change is rust forming on iron, which changes the iron into a different substance.

Front

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

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.