Pure Substances and Mixtures Grade 7

Front

What is a pure substance?

Back

A pure substance is a material made up of only one type of atom (element) or compound.

Front

Which of the following is NOT a mixture?

Back

Aluminum is not a mixture; it is a pure substance.

Front

What type of mixture is cookies and cream ice cream classified as?

Back

Cookies and cream ice cream is classified as a heterogeneous mixture.

Front

What are the two types of mixtures?

Back

The two types of mixtures are homogeneous and heterogeneous.

Front

What type of mixture are solutions?

Back

Solutions are homogeneous mixtures.

Front

Define a homogeneous mixture.

Back

A homogeneous mixture is a mixture that has a uniform composition throughout.

Front

Define a heterogeneous mixture.

Back

A heterogeneous mixture is a mixture where the components are not uniformly distributed.

Front

Give an example of a homogeneous mixture.

Back

An example of a homogeneous mixture is saltwater.

Front

Give an example of a heterogeneous mixture.

Back

An example of a heterogeneous mixture is a salad.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances.