Earth's Layers and Pangaea

What are the names of the two types of crust?

• Oceanic

• Mantle

• Layered

• Continental

• Mountainous

What causes the mantle to move?

• Water currents

• Convection currents

• Lava currents

• Magnetic field

Although the inner core is as hot as the sun, what causes this layer of the earth to be solid?

• Enormous amounts of pressure

• Iron can only be in a solid state

• The electric field causes it to be solid

• This layer is from another planet

How do scientists know what is below the crust?

• They use satellites

• They use sonar and radar

• They use seismic waves

• They use ocean waves and gravity

The driving force of the tectonic plates are convection currents, where can these be found?

• inner core
  inner core
• crust
• mantle
• outer core

Tags

NGSS.MS-ESS2-3

Which is the coolest layer?

• crust

• mantle

• outer core

• inner core

Which is the hottest layer?

• crust

• mantle

• outer core

• inner core

What was the name given to all the continents when they were joined as one super continent?

• Supreme Continent

• Eurasia

• Plate tectonics

• Pangaea

This scientist built most of the evidence for continental drift.

• Alfred Wegener
• Sean Carroll
• Fred Calfred
• John Williams

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

This type of plate boundary is when two plates move apart.

• Convergent
• Transform
• Divergent
• Subductive

Tags

NGSS.MS-ESS2-3