Earth's Early History Review

How old do we think the earth is?

• 4.6 billion years old

• 2.4 million years old

• 10 billion years old

• 45 million years old

Tags

NGSS.MS-ESS1-4

What major thing makes earth different than the other planets?

• Liquid Water

• Solid Surface

• Atmosphere

• Tectonic Activity

Tags

NGSS.MS-ESS2-4

The earth is covered in ________ % liquid water.

• 75

• 10

• 100

• 80

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

Which layer of the Earth is liquid?

• Crust

• Outer Core

• Inner Core

• Mantle

What is the outermost layer of the earth called?

• Crust

• Mantle

• Outer Core

• Outer Mantle

What is the outermost layer of the earth called?

• Crust

• Mantle

• Outer Core

• Outer Mantle

What is the thickest layer of the earth?

• Mantle

• Crust

• Outer Core

• Inner Core

True or False: The earth's magnetic field helps protect us from harmful radiation.

• True

• False

What land feature helped release CO2 and water vapor, which helped created our early atmosphere.

• Volcanoes

• Geysers

• Earthquakes

• Trenches

What early life form converted CO2 into oxygen over the course of 3 billion years?

• Bacteria

• Fungi

• Plants

• Animals

Tags

NGSS.MS-LS1-6