Earth's Layers

The Earth's inner core is 

• a layer of hot rock
• a dense ball of solid metal
• a layer of molten metal
• part of Earth's outer skin

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

• Earth's magnetic field
• conduction
• earthquakes
• convection currents in the mantle

Tags

NGSS.MS-ESS2-3

Using data from seismic waves, geologists have learned that Earth's interior is made up of several

• trenches
• ridges
• continents
• layers

The name of the supercontinent that existed millions of years ago is called

• Wegener
• Pangaea
• Continental Crust
• Michael

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

The Earth's mantle is

• a layer of molten metal
• a layer of hot rock
• a dense ball of solid metal
• forms the Earth's crust

Tags

NGSS.MS-ESS2-1

What is the correct order of Earth's layers? Starting from surface

• Crust, mantle, outer core, inner core
• outer core, inner core, crust, mantle
• crust, outer core, inner core, mantle
• mantle, outer core, inner core, crust

In which of these ways can volcanoes help build up new land?

• by adding water vapor to the atmosphere

• by adding heat to Earth's surface

• by adding gases to the atmosphere

• by adding lava to Earth's surface

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Where on the ocean floor is new ocean crust being created?

• the continental shelf

• the continental slope

• the deep ocean trenches

• the mid-ocean ridges

The ______ is the thin outer layer of solid rock around the Earth.

• biosphere

• core

• mantle

• crust

Scientists believe Earth's tectonic plates were once connected as one supercontinent called:

• Pangaea

• Galapagos

• North America

• Seven lands

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3