Lesson 2 Review

What was the name of the supercontinent that all continents are thought to once have been a part of?

• Penelope

• Subduction

• Pandemic

• Pangaea

How many major tectonic plates are on Earth’s crust?

• 9

• 7

• 17

• 19

Tags

NGSS.MS-ESS2-3

Who proposed the idea that continents had once been connected?

• Alfred Wegener

• Albert Einstein

• Adam Wexler

• Arnold Wilson

Tags

NGSS.HS-ESS1-5

What makes the plates move?

• high winds

• the forces of the waves in the ocean

• convections currents in the magma

• earthquakes

Tags

NGSS.MS-ESS2-3

Where would you find the oldest rock on the seafloor?

• right next to the ridges

• under the ridges

• farthest away from the ridges

• within 2 miles of the ridges

Tags

NGSS.MS-ESS2-3

While studying the seafloor rock, scientists have discovered this.

• earthquakes

• changes in the magnetic field

• fish that live on the ocean floor

• new continents

Tags

NGSS.MS-ESS2-3

The continents are still moving and will one day be in a different location.

• TRUE

• FALSE

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

Which is the thinnest, coolest layer of the earth?

• crust

• mantle

• outer core

• inner core

Which is evidence that all the continents were once connected?

• They are all made of rock.

• They all have earthquakes.

• They all have volcanoes.

• They seem to fit together like a puzzle.

Which is the correct order of the layers of the earth?

• crust, inner core, outer core, mantle

• outer core, inner core, crust, mantle

• crust, mantle, outer core, inner core

• crust mantle, inner core, outer core