Earth Formation

What percent of Earth's surface is water?

• 85%

• 35%

• 50%

• 75%

Tags

NGSS.MS-ESS2-4

Earth's layers are made up mostly of __________?

• Rocks and metals

• Plastic and rocks

• Molten water

• Gases

The inner core is the thickest layer of Earth?

• True

• False

Earth is made up of how many layers?

• 1

• 2

• 3

• 4

• 5

How long does it take Earth to orbit the sun?

• 24 hours

• 365.25 days

• 365 days

• 12 days

• 100 days

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

The axis that Earth rotates on is angled at how many degrees away from the sun?

• 18.5

• 32.5

• 23.4

• 21.3

Tags

NGSS.MS-ESS2-6

Earth's atmosphere is made up mostly of ______________?

• Oxygen

• Nitrogen

• Helium

• Iron

The protective ring in Earth's atmosphere is known as the __________?

• Gases

• Ozone

• Lifesaver

• Nebula

How many moons does Earth have?

• 13

• 7

• 3

• 1

• 2

Earth is the ___ planet from the sun.

• third

• fourth

• second

• eighth