Plate Tectonics and Oceans

What is a plate boundary where two plates move toward each other?

• transform

• convergent

• divergent

Most geologists think that the movement of Earth's plates is caused by

• conduction

• earthquakes

• convection currents in the mantle

• Earth's magnetic field

Tags

NGSS.MS-ESS2-3

The geological theory that states that pieces of Earth's plates are in constant, slow motion, driven by convection currents is the theory of

• subduction

• plate tectonics

• deep ocean trenches

• sea floor spreading

Tags

NGSS.MS-ESS2-3

Tectonic plates are made of the:

• lithosphere

• asthenosphere

• mesosphere

• crust

What type of boundary is shown?

• convergent

• divergent

• transform

Tags

NGSS.MS-ESS2-3

What type of boundary is shown

• convergent

• divergent

• transform

Tags

NGSS.MS-ESS2-3

What type of plate boundary is shown?

• convergent

• divergent

• transform

Tags

NGSS.MS-ESS2-3

The __________________ is a chain of undersea mountains over 40,000 miles.

• Mid-Ocean Ridges

• Ocean Trench

• Divergent boundary

• Transform boundary

What does salinity measure?

• ocean temperature

• amount of salt in water

• ratio of mass to volume

Approximately what percentage of Earth's surface is covered by oceans?

• 40%
• 50%
• 60%
• 70%

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4