Rocks and Minerals Review

What do you call a person who studies rocks and minerals?

• geologist

• biologist

• scientist

• meteorologist

Rocks are usually made up of one or more ________________.

• fossils

• soils

• minerals

• rocks

Which type of rocks form in layers?

• metamorphic

• igneous

• fossils

• sedimentary

Which of these is formed from cooled, hardened magma?

• humus

• lava

• igneous rock

• metamorphic rock

Which causes sedimentary rock to change into metamorphic rock?

• weathering and erosion

• heat and pressure

• water and air

• cooling and hardening

Which is true about a diamond?

• It can be scratched by talc.

• It is the hardest mineral.

• It is the softest mineral.

• It is made of calcium.

The color of a mineral when it is ground into powder is called its _________.

• streak

• color

• cleavage

• luster

Which is the softest mineral?

• talc

• topaz

• quartz

• diamond

Which part of soil has bits of dead plants and animals?

• clay

• sand

• humus

• silt

The particles of rock in soil are different sizes. Which list shows rock particles in order from biggest particles to smallest particles?

• clay, sand, silt

• clay, silt, sand

• sand, silt, clay

• silt, clay, sand