Unit 2 Check Up

Which layer is the innermost section, a solid metal sphere spinning in the center of the Earth?

• Asthenosphere

• Lithosphere

• Outer Core

• Inner Core

Which layer is the middle, largest section of the Earth making up 83% of the planet?

• Lithosphere

• Asthenosphere

• Mantle

• Outer Core

In which layer would you find the tectonic plates?

• Asthenosphere

• Lithosphere

• Mantle

• Outer Core

Which layer makes up only 1% of Earth, but is where all living things exist?

• Crust

• Lithosphere

• Asthenosphere

• Mantle

Which layer is liquid metal and surrounds the inner core?

• Crust

• Asthenosphere

• Outer Core

• Inner Core

About how many tectonic plates are there in the lithosphere?

• 5

• 15

• 25

• 35

What do scientists use to "see" the layers inside the Earth?

• Seismic Waves

• Radiation

• Sonar Waves

• Magnetism

Tags

NGSS.MS-PS4-2

Which type of crust is younger rock, thinner (5miles), and more dense?

• Volcanic Crust

• Continental Crust

• Magma Crust

• Oceanic Crust

Tags

NGSS.MS-ESS2-1

Which is a special layer found in the Upper Mantle, made of magma, and produces convection currents?

• Crust

• Lithosphere

• Asthenosphere

• Mantle

Hot, molten, liquified rock found under the Earth's crust.

• Obsidian

• Magma

• Basalt

• Sauce