Ch. 1.1 Physical Science Review

The smallest unit into which an element can be divided and still maintain the properties of the element is called a ______________

How can you tell if something is a colloid or not?

• All things are colloids

• It would bubble

• By using the Tyndall effect

• If it has things floating in it.

Draw a tree diagram showing the following words: matter, pure substances, mixtures, compounds, elements, heterogeneous mixtures, homogeneous mixtures, colloids, and suspensions.

What process could you use to purify salt water so that you can drink it?

• Filtration

• Condensation

• Magnets

• Distillation

How are atoms, molecules, and elements different?

A mixture in which the particles of a substance are mixed enough to settle is called a _____________________

Draw an example of a compound.

Can a substance be both a compound and a pure substance? Why or why not?

A combination of substances in which the particles are not uniformly distributed is called ______________ ____________________

A combination of substances in which the properties and appearance are the same throughout is called _____________________ _________________