The Types of Rocks Quiz

What type of rock is formed when magma cools slowly underground, resulting in large visible crystals?

• Volcanic

• Igneous

• Metamorphic

• Sedimentary

Which rock is formed from layers of marine debris like shells and coral?

• Slate

• Limestone

• Obsidian

• Granite

What type of rock is sandstone, known for its distinct earthy layers?

• Sedimentary

• Igneous

• Metamorphic

• Volcanic

Which rock type is formed from fine particles like clay and silt compressing over time?

• Marble

• Obsidian

• Granite

• Shale

Which rock is formed when shale undergoes heat and pressure, resulting in smooth layers?

• Pumice

• Limestone

• Granite

• Slate

What type of rock is marble, known for its glossy appearance and use in sculptures?

• Sedimentary

• Volcanic

• Metamorphic

• Igneous

Which rock is light and porous, formed when lava cools rapidly and traps gas bubbles?

• Slate

• Obsidian

• Pumice

• Granite

What type of rock is obsidian, known for its sharp edges and use in ancient tools?

• Sedimentary

• Metamorphic

• Igneous

• Volcanic

Which rock is a mixture of pebbles, gravel, and sand cemented together?

• Conglomerate

• Gneiss

• Slate

• Marble

What type of rock is gneiss, known for its distinct mineral bands?

• Volcanic

• Metamorphic

• Igneous

• Sedimentary