Earth's Layers, Plate Tectonics, Earthquakes, Volcanoes, and Mountains

What theory did Wegener propose?

• Plate tectonics

• Mountain formation

• Seafloor spreading

• Continental drift

Tags

NGSS.MS-ESS2-3

What is seafloor spreading?

• The theory that explains plate tectonics

• The process of new oceanic crust forming at divergent boundaries

• The formation of mountains at convergent boundaries

• The movement of Earth's plates against each other

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

How does seafloor spreading support the theory of plate tectonics?

• It explains the formation of mountains

• It demonstrates the movement of Earth's plates

• It supports the theory of continental drift

• It shows the process of new crust formation

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Where do mountains usually form?

• At divergent boundaries

• At subduction zones

• At transform boundaries

• At convergent boundaries

What causes earthquakes?

• The formation of mountains

• The movement of Earth's plates

• The process of seafloor spreading

• The eruption of volcanoes

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Which type of fault is the San Andreas fault?

• Thrust-slip fault

• Strike-slip fault

• Normal fault

• Reverse fault

Tags

NGSS.HS-ESS1-5

What are P-waves?

• Waves that only travel across Earth's surface

• Waves that cause buildings to move side to side

• Waves that travel only through solids

• Waves that travel through solids, liquids, and gases

What type of magma does a composite volcano have?

• Medium viscosity magma

• Low viscosity magma

• High viscosity magma

• No magma

Which volcano has low viscosity magma and is the biggest? Mauna Loa is an example.

• Shield

• Composite

• Cone

Which volcano has layers of ash and lava and is the most dangerously explosive?

• Shield

• Cone

• Composite