Rocks and Minerals

If you wanted to test the hardness of a mineral, you would use a ___ test.

• scratch

• density

• streak

• luster

You strike the mineral Quartz with a hammer and it shatters into jagged, smaller pieces. This describes ____.

• luster

• cleavage

• fracture

• density

What is the density of a mineral with a mass of 40g and a volume of 5ml?

• 5g/ml

• 6g/ml

• 8g/ml

• 12g/ml

___ matter is anything that comes from something that is, or once was, living.

• sedimentary

• organic

• igneous

• inorganic

All rocks are made of ____.

• air

• soil

• water

• minerals

Sediments are ___.

• large boulders and trees

• small pieces of material from living things or rocks

• small pieces of glass or plastic

• small pieces of food

Metamorphic rocks with mineral grains arranged in layers or bands that split in flat layers are ___.

• intrusive

• extrusive

• foliated

• non-foliated

Metamorphic rocks with mineral grains arranged randomly or do not split in layers are ___.

• intrusive

• extrusive

• foliated

• non-foliated

___ rocks form when magma hardens under Earth's surface or when lava erupts from a volcano and cools.

• metamorphic

• igneous

• sedimentary

• pretend

___ rocks form when sediments layer for many years, compacting and cementing together.

• metamorphic

• igneous

• sedimentary

• pretend