Geology Learning Quiz

What type of rock is formed from layers of sediment being pressed together over time?

• Sedimentary rock

• Igneous rock

• Volcanic rock

• Metamorphic rock

Which of the following can be a clue about the environment when sedimentary rocks were formed?

• The color of the rock

• The presence of fossils

• The size of the rock

• The location of the rock

What are fossil fuels primarily made from?

• Igneous rocks

• Metamorphic rocks

• Volcanic rocks

• Sedimentary rocks

What is the most common type of volcanic rock found on the ocean floor?

• Granite

• Basalt

• Slate

• Marble

How do igneous rocks typically form?

• From the cooling of magma or lava

• From the erosion of mountains

• From the compression of sediment

• From the transformation of existing rocks

What causes metamorphic rocks to form?

• Cooling of lava

• Erosion by water

• Heat and pressure

• Deposition of sediment

Which of the following is a characteristic of metamorphic rocks?

• They are the most common type of rock

• They can have deformed fossils

• They are formed from volcanic eruptions

• They contain large crystals

What property describes how light reflects off a mineral's surface?

• Hardness

• Streak

• Color

• Luster

Which mineral is the hardest according to the Mohs scale?

• Diamond

• Quartz

• Talc

• Hematite

What is the streak of a mineral?

• The color of the powder left when scraped

• The shine of the mineral

• The size of the mineral

• The color of the mineral