VA SOL 5.8 Earth Crust Quiz

What are the three main layers of the Earth's crust?

• continental crust, oceanic crust, Mohorovičić discontinuity

• asthenosphere, outer core, inner core

• mantle, inner core, lithosphere

• continental crust, oceanic crust, outer core

What is the thinnest layer of the Earth's crust?

• Continental crust

• Oceanic crust

• Mantle

• Inner core

What is the thickest layer of the Earth's crust?

• Magma crust

• Continental crust

• Sedimentary crust

• Oceanic crust

What are the two types of crust found on Earth?

• volcanic crust and sedimentary crust

• mountain crust and valley crust

• continental crust and oceanic crust

• desert crust and forest crust

What is the composition of the continental crust?

• Sand, clay, and limestone

• Granite, sedimentary rocks, and metamorphic rocks

• Volcanic rocks, basalt, and obsidian

• Iron, copper, and aluminum

What is the average thickness of the continental crust?

• 60-80 kilometers

• 30-50 kilometers

• 20-30 kilometers

• 100-150 kilometers

What is the average thickness of the oceanic crust?

• 20 kilometers

• 3 kilometers

• 12 kilometers

• 7 kilometers

What are the major tectonic plates that make up the Earth's crust?

• Atlantic Plate, Indian Plate, Arctic Plate, Australian Plate

• European Plate, Asian Plate, South Pole Plate, Indian Plate

• North American Plate, South American Plate, African Plate, Asian Plate

• Pacific Plate, North American Plate, Eurasian Plate, African Plate, Antarctic Plate, Indo-Australian Plate, and South American Plate

How do tectonic plates move and interact with each other?

• Volcanic eruptions

• Magnetic field fluctuations

• Plate tectonics

• Weathering and erosion