Geology Quiz

What is the process by which rocks are broken down into smaller pieces?

• melting

• compaction

• erosion

• weathering

Which type of rock is formed from the cooling and solidification of magma or lava?

• Igneous rock

• Sedimentary rock

• Volcanic rock

• Metamorphic rock

Which type of rock is formed from the accumulation and compaction of sediments?

• Igneous rock

• Volcanic rock

• Sedimentary rock

• Metamorphic rock

Which type of rock is formed from the transformation of existing rocks due to heat and pressure?

• Sedimentary rock

• Volcanic rock

• Metamorphic rock

• Igneous rock

What type of igneous rock is formed when magma cools beneath the Earth's surface?

• Extrusive

• Intrusive

• Clastic

• Chemical

Which of the following is NOT one of the three types of soil?

• clay
• sand
• silt
• mud

Humus is.....

• the dead parts of plants and animals in soil.
• A food we eat with pretzels.
• The tiny particles inside of soil
• The roots that come off of a plant and live in soil.

Soil is made of

• weathered rocks and minerals
• dead plants and animals
• air and water
• all of the above

Oxidation is the reaction of rock minerals with oxygen, thus changing the mineral composition of the rock. It leads the rock to...

• melt

• rust and becomes fragile

• grow

This is the continuous process of rock changing from one type to another.

• Igneous rocks

• Sedimentary rocks

• Metamorphic rocks

• Rock Cycle