Earth Science Quiz

How are igneous rocks formed?

• By volcanic eruptions

• By compressing layers of rock over time

• By drifting sediment in lakes and oceans

• By solidifying magma above ground

What is the technical term for the solid layers of rock formed from compressed sediment?

• Lava

• Strata

• Basalt

• Magma

What percentage of Earth's surface is covered in sedimentary rock?

• 75%

• 50%

• 100%

• 25%

What type of rock can be seen in the Grand Canyon?

• Chalk

• Limestone

• Basalt

• Sandstone

What is an example of igneous rock formed above ground?

• Basalt

• Chalk

• Sandstone

• Limestone

What is the black rock that is dried lava?

• Coal

• Limestone

• Basalt

• Sandstone

What causes the formation of sedimentary rocks?

• Volcanic eruptions

• Drifting sediment in lakes and oceans

• Compressing layers of rock over time

• Solidifying magma above ground

What can sedimentary rocks be made up of?

• Magma, soil, and minerals

• Plant matter, soil, and minerals

• Lava, plant matter, and soil

• Magma, plant matter, and minerals

What is an example of sedimentary rock?

• Lava

• Magma

• Basalt

• Coal

What emerges above ground when magma appears on the surface?

• Chalk

• Lava

• Limestone

• Sandstone