Plate Tectonics

How does an island arc form?

• subduction

• earthquake

• sea-floor spreading

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

What process creates new crust from magma?

• sea-floor spreading
• subduction
• weathering
• erosion

Tags

NGSS.MS-ESS2-1

What process melts crust into magma?

• sea-floor spreading
• subduction
• weathering
• erosion

Tags

NGSS.MS-ESS2-1

Where would you find the oldest rocks on the ocean floor?

• near the mid-ocean ridge

• near the trench

Tags

NGSS.MS-ESS2-3

What is one piece of evidence for sea-floor spreading?

• magnetic stripes on the ocean floor
• island arcs caused by subduction
• older rocks are closest to the mid-ocean ridge
• younger rocks are near the trenches

Tags

NGSS.MS-ESS2-3

At transform boundaries, you would likely find lots of

• mountains

• volcanoes

• earthquakes

Tags

NGSS.MS-ESS3-2

Mt. St. Helens was formed by an oceanic plate pushing under a continental plate. It can be categorized as this type of volcano.

• subduction
• island arc
• hot spot
• mid-ocean ridge

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

Tags

NGSS.MS-ESS2-3

Name the boundary

• convergent boundary

• divergent boundary

• transform boundary

• sergent boundary

Tags

NGSS.MS-ESS2-3

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

Tags

NGSS.MS-ESS2-3