What percentage of the Earth's surface is covered with water?

• 30%

• 90%

• 70%

• 50%

Tags

NGSS.MS-ESS2-4

What is the main hypothesis about how the oceans formed?

• Tectonic plate theory

• Ice melting theory

• Meteor impact theory

• Volcanic outgassing theory

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

What process created the layers of the Earth as we know them?

• Volcanic eruptions

• Tectonic movements

• Atmospheric pressure

• Element separation

Tags

NGSS.MS-ESS1-4

What allowed elements to separate into layers within the Earth?

• Magnetic fields

• Gravity

• Solar radiation

• Chemical reactions

Where did more water come from that collided with the Earth?

• Asteroids

• Saturn

• Mars

• Venus

Tags

NGSS.MS-ESS3-1

What percentage of the Earth's water is in the oceans?

• 97.2%

• 99%

• 90%

• 80%

What allowed for the formation of oceans about 4 billion years ago?

• Atmospheric cooling

• Tectonic movements

• Volcanic eruptions

• Asteroid collisions

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-4

What helped to determine the make-up of the air and the weather?

• Deserts

• Mountains

• Oceans

• Forests

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6