Rocks and Minerals Test

Which is not a type of rock?

• fossil

• igneous

• metamorphic

• sedimentary

A rocks in made of...

• lava

• one or more minerals

• crystals

• metal

What type of rock is sedimentary?

• Limestone - It forms when the remains of ocean animals become cemented together

• Basalt - Makes up much of the Earth's crust beneath the oceans

• Gneiss-This rock used to be granite, but was changed by heat and pressure.

• Obsidian - It is formed when molten rock cools quickly

What type of rock is made when lava cools?

• igneous

• metamorphic

• sedimentary

• limestone

What kind of rock is metamorphic?

• Obsidian - It is formed when molten rock cools quickly

• Conglomerate - It is formed from sediment of different sizes

• Marble - It used to be limestone, but was changed into marble with heat and pressure

• Granite - It is molten rock that hardens in the Earth's crust

What is the hardest mineral?

• talc

• diamond

• calcite

• gold

What are the 5 main properties that we use to describe rocks and minerals?

• luster, hardness, texture, color, shape

• weight, size, pattern, shape. texture

• cleavage, streak, color, shape, luster

• igneous, metamorphic, sedimentary

What is hardness?

• how rough or smooth something is (how it feels)

• the measure of how easily a mineral can be scratched

• the way a mineral shines, or reflects light

• a solid object that is made of one or more minerals

What is luster?

• how rough or smooth something is (how it feels)

• the measure of how easily a mineral can be scratched

• the way a mineral shines, or reflects light

• a solid object that is made of one or more minerals

What is texture?

• how rough or smooth something is (how it feels)

• the measure of how easily a mineral can be scratched

• the way a mineral shines, or reflects light

• a solid object that is made of one or more minerals