M. Plate Tectonics & Seafloor Spreading

What is seafloor spreading?

• The movement of tectonic plates towards each other

• Formation of new oceanic crust through volcanic activity and its gradual movement away from the mid-ocean ridge

Tags

NGSS.MS-ESS2-1

What is a mid-ocean ridge?

• An underwater mountain range that forms at the boundary between two tectonic plates where they are moving apart.

• A type of fish found in the deep sea

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NGSS.MS-ESS2-3

What happens at a subduction zone?

• One tectonic plate is forced underneath another plate

• Two tectonic plates slide past each other and cause earthquakes

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What is plate tectonics?

• The study of different types of plates used in cooking

• Scientific theory that describes the large-scale motion of Earth's lithosphere

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NGSS.MS-ESS2-3

What is a hotspot?

• A physical location where people can access the internet using Wi-Fi technology.

• A popular tourist destination

What causes an earthquake?

• Movement of tectonic plates

• Sudden release of energy in the Earth's crust

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

What is the main cause of seafloor spreading?

• Movement of tectonic plates

• Volcanic activity

Tags

NGSS.MS-ESS2-3

What is a volcano?

• A type of weather phenomenon that produces lightning and thunder.

• A geological formation where molten rock, ash, and gases escape from beneath the Earth's surface.

What is a subduction zone?

• A region where tectonic plates slide past each other horizontally.

• A region where one tectonic plate is forced underneath another plate into the Earth's mantle.

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

What is the process of seafloor spreading called?

• Seafloor spreading

• Tectonic plate collision

Tags

NGSS.MS-ESS2-3