Matter Matters

Front

What are the two main properties of matter?

Back

Mass and volume.

Front

What is a mixture?

Back

A combination of two or more substances that are physically combined and can be separated.

Front

What does H2O represent?

Back

A chemical formula for water.

Front

What is a molecule?

Back

Two or more atoms chemically bonded together.

Front

What is an example of a chemical change?

Back

Iron + oxygen = rust.

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.

Front

What is a solution?

Back

A homogeneous mixture where one substance is dissolved in another.

Front

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

Back

A physical change alters the form of a substance, while a chemical change alters its chemical composition.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the definition of mass?

Back

The amount of matter in an object, usually measured in grams or kilograms.