Earth Review

Which action can be used to prevent soil erosion?

• Raising grazing animals

• Spraying with water

• Digging ditches

• Planting grass

Tags

NGSS.MS-ETS1-3

NGSS.MS-LS2-5

What is the thinnest layer of the earth’s composition?

• mantle

• inner core

• crust

• outer core

The thickest layer of the earth is the 

• crust

• mantle

• inner core

• outer core

What are the two kinds of crust that the Earth has?

• Oceanic and Crustatious Crust

• Oceanic and Continental Crust

• Optic and Continental Crust

Which mechanical/physical layer is letter A?

• Mesosphere

• Asthenosphere

• Core

• Lithosphere

The scientist that came up with the Theory of Continental Drift

• Albert Einstein

• Alfred Wegener

• Sir Ian McKellan

• Sir Isaac Newton

Tags

NGSS.HS-ESS1-5

Why is the Inner Core solid?

• Extreme Heat

• High Pressure

• All the layers are solid

• It's made of rock

Which layer of the Earth is the most dense?

• crust

• mantle

• inner core

• outer core

Which layer of the Earth is responsible for Earth's magnetic field?

• outer core

• inner core

• mantle

• crust

True or FalseThe most abundant elements in the Earth's crust are silicon and oxygen.

• True

• False

Tags

NGSS.MS-PS1-1