Formation of Earth

What was the primary component that formed the early Earth?

• GAS

• ICE

• WATER

• DUST AND ROCKS

Tags

NGSS.HS-ESS1-6

The number of visible craters on Earth will probably decrease in the future for all of the following reasons except:

• human technology protects Earth from all meteor impacts.
• most meteors that hit Earth land in the ocean and don't leave craters.
• there are not as many meteor impacts today as there were when the Earth first formed.
• Earth processes like erosion and plate tectonics cover them up.

Tags

NGSS.MS-ESS2-2

During the formation of Earth, small space rocks are attracted to each other by

• gravitational forces

• light forces

• solar eclipses

• white dwarfs

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

The Earth cools

• from the inside out.

• from the outside in.

Tags

NGSS.HS-ESS2-3

______ is the attractive force between any two objects that depends on the objects mass and distance to each other.

• Weight

• Gravity

• Net Force

• Rolling Friction

Tags

NGSS.MS-PS2-4

What does the word accretion mean? 

• gradual accumulation of additional layers or matter.
• separating out different constituents of a planetary body
• gradual break down of a planet
• none of these

What pulled the small particles floating in space closer and closer together eventually forming our planet?

• wind
• megnets
• gravity
• magic

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

Early in the Earths life, our planet was...

• very hot and molten 
• a solid ball of rock
• very cold
• covered in water

Tags

NGSS.HS-ESS1-6

Molten rock eventually solidified on the surface because....

• the Earth moved farther from the sun
• the sub-freezing temperature of outer space
• because the water on the surface cooled the planet
• none of this happened... 

The larger an object is the more_________ it has

• density
• gravity
• weight
• heat

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1