Rock Cycle Quiz

What are the three main categories of rocks?

• Diamond, Ruby, and Emerald

• Sandstone, Limestone, and Coal

• Igneous, Metamorphic, and Sedimentary

• Granite, Basalt, and Marble

How is sedimentary rock formed?

• By mining and human activities

• By accumulation and compression of sediment

• By heat and pressure deep underground

• By cooling of magma or lava

Which rock type is considered the weakest?

• Igneous

• Marble

• Sedimentary

• Metamorphic

What is coal an example of?

• Mineral

• Sedimentary rock

• Metamorphic rock

• Igneous rock

What causes metamorphic rocks to form?

• Melting and cooling of rocks

• Erosion and sedimentation

• Volcanic eruptions

• Heat and pressure altering existing rocks

What is magma called when it reaches the Earth's surface?

• Sediment

• Granite

• Lava

• Basalt

How are igneous rocks formed?

• From the cooling and hardening of magma or lava

• All of the above

• From the accumulation of sediment in water

• From high heat and pressure on sedimentary rocks

What unique rock formation is found at the Giant's Causeway?

• Limestone caves

• Granite cliffs

• Basalt columns

• Sandstone pillars

This rock started as lava that cooled and then was heated and put under pressure over time. What type of rock is this?

• Sedimentar
• Igneous
• Metamorphic

Which type of rock is made by small bits of rock, mud, or sand compacted and cemented together?

• Coal
• igneous
• metamorphic
• sedimentary