Rocks Quiz

What are rocks primarily composed of?

• Water and air

• Gases and vapors

• Solid mass of minerals

• Organic materials

What type of rock is formed from magma that cools beneath the Earth's surface?

• Extrusive

• Sedimentary

• Metamorphic

• Intrusive

Which of the following is a characteristic of granite?

• It is formed from lava

• It has a coarse-grained texture

• It is primarily composed of clay minerals

• It is usually black or dark green

What is the primary use of basalt?

• Making sculptures

• As a decorative stone

• For jewelry

• As an aggregate in construction

Which rock is known for its 'salt and pepper' appearance?

• Basalt

• Diorite

• Granite

• Gabbro

What type of rock is pumice?

• Chemical

• Igneous

• Metamorphic

• Sedimentary

Which of the following is a common use for limestone?

• Making glass

• As a crushed stone for construction

• For making jewelry

• As a decorative stone

What is the main characteristic of metamorphic rocks?

• They are formed from heat and pressure

• They are composed of sediments

• They are formed from organic materials

• They form from cooling lava

Which rock is formed from the accumulation of shell and coral debris?

• Slate

• Limestone

• Chert

• Granite

What is the primary component of gabbro?

• Calcium carbonate

• Clay minerals

• Plagioclase and augite

• Quartz