Mixtures, Compounds and Solutions

Granite is a mixture of minerals made from mica, feldspar and what?

• iron

• copper

• quartz

• carbon

Minerals in rocks are compounds, but the minerals form together as mixtures.

• true

• false

Pure water is a compound, but saltwater is a solution.

• true

• false

Mixtures can contain both elements and compounds.

• true

• false

This glass is half full.

• true

• false

If an ice cube is melted, what type of change has taken place?

• chemical

• physical

What kind of change is happening to the iron chain on the left?

• chemical

• physical

Some metals react with what?

• acids

• bases

• bears

• oh my!

What is the smaller particle in an atom?

• proton

• neutron

• electron

Metals are often found in compound form in rocks called______?

• minerals

• coprolite

• ores