Study Guide for Layers of Earth 5.1 (4th Grade)

What layer of earth is number 2 pointing at?

• Crust

• Mantle

• Outer Core

• Inner Core

84% of Earth's mass makes up which layer of earth?

• Crust

• Mantle

• Outer Core

• Inner Core

Earth's thickest layer is 2,900 km thick. This layer is called the _____.

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer of the lithosphere has the lowest density?

• Crust

• Mantle

• Outer Core

• Inner Core

The lithosphere, mantle and metallic core are all _______.

• planets

• parts of the sun

• layers of the atmosphere

• layers of earth

Name the largest layer of earth.

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer of earth is the thinnest?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer of earth is plastic like, and allows the tectonic plates to flow over it?

• Lithosphere

• Asthenosphere

• Crust

• Outer Core

Tags

NGSS.MS-ESS2-3

Which layer is responsible for earth's magnetic field?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer of earth has strong convection currents which are responsible for the movement of the tectonic plates?

• Crust

• Mantle

• Outer Core

• Inner Core

Tags

NGSS.MS-ESS2-3