Rocks and Minerals Review

What is the difference between a rock and a mineral?

• Rocks are hard and minerals are not

• Rocks are made of minerals but minerals are not made of rocks

• Minerals are more valuable than rocks

What does "inorganic material" mean?

• Not containing grains

• Made of remains of living matter

• Not containing remains of living matter

What's the earth's crust made of?

• Magma

• Solid rock

• Soil

Starting from the outside to the inside of the geosphere, what is the correct order of layers?

• Soil - crust - mantle - core

• Crust - soil - mantle - core

• Core - mantle - crust - soil

According to Mohs scale, which is the hardest mineral?

• Quartz

• Mica

• Diamond

According to Mohs scale, which is the softest mineral?

• Talc

• Gypsum

• Diamond

Igneous rocks are formed...

• from the transformation of other rocks

• as magma cools down and solidifies

• from the accumulation of other fragments of rocks

Intrusive igneous rocks are ...

• formed within the earth's crust

• formed on the outside of the crust

• formed in the deep ocean

Sedimentary rocks are formed by ...

• the transformation of other rocks by extreme heat and pressure

• magma cooling down and solidifying

• the accumulation of particles of rocks and minerals

Sedimentary rocks commonly contain ...

• a layer structure

• fossils

• all of the above