7.1-Earth's Interior - 2

What does the crust refer to?

• The core of the Earth

• The atmosphere of the Earth

• The rock that forms Earth's outer layer

• The molten layer beneath the crust

What are the two types of crust?

• Igneous and sedimentary crust

• Silicate and carbonate crust

• Oceanic and continental crust

• Basaltic and granitic crust

Which elements are predominant in the rocks of the crust?

• Iron and magnesium

• Oxygen and silicon

• Carbon and nitrogen

• Hydrogen and helium

Approximately how thick is the Earth's crust?

• Between 500 to 800 km

• Between 50 to 800 km

• Between 5 to 8 km

• Between 500 to 8000 km

Where is oceanic crust primarily found?

• Under mountains

• Under deserts

• Under the ocean

• Under forests

Tags

NGSS.MS-ESS2-3

What does continental crust form?

• Volcanoes

• Islands

• Continents or dry lands

• Oceanic ridges

What is the predominant composition of oceanic crust?

• Basalt

• Granite

• Sandstone

• Limestone

What is the primary composition of continental crust?

• Basalt

• Granite

• Obsidian

• Shale

Tags

NGSS.MS-ESS2-3

How would you describe basalt, a component of oceanic crust?

• Light color, fine-grained rock

• Dark color, rough-grained rock

• Light color, rough-grained rock

• Dark color, fine-grained rock

How would you describe granite, a component of continental crust?

• Light color, fine-grained rock

• Dark color, rough-grained rock

• Light color, rough-grained rock

• Dark color, fine-grained rock