Rocks and Minerals Practice

Front

What is the definition of hardness in relation to minerals?

Back

Hardness is how easily something can be scratched.

Front

What type of rock is formed through the process of squeezing and heating?

Back

Metamorphic rock.

Front

What is soil composed of?

Back

Soil is a layer of loose materials on Earth's surface made up of bits of rocks, humus, air, and water.

Front

What property describes minerals as shiny, pearly, glassy, or dull?

Back

Luster.

Front

Which of the following is NOT a property of minerals: hardness, luster, or sound?

Back

Sound.

Front

What is the Mohs scale used for?

Back

The Mohs scale is used to measure the hardness of minerals.

Front

What are igneous rocks?

Back

Igneous rocks are formed from the cooling and solidification of molten rock (magma or lava).

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive igneous rocks form from magma that cools slowly beneath the Earth's surface, while extrusive igneous rocks form from lava that cools quickly on the surface.

Front

What is the process of sedimentary rock formation?

Back

Sedimentary rocks are formed from the accumulation and compaction of mineral and organic particles.

Front

What is the significance of the rock cycle?

Back

The rock cycle describes the continuous process of rock formation, breakdown, and reformation, illustrating how rocks change from one type to another over time.