Formation of Earth

What is the geosphere?

• The geosphere is the solid part of the Earth.

• The geosphere is the living part of the Earth.

• The geosphere is the atmospheric part of the Earth.

• The geosphere is the liquid part of the Earth.

Tags

NGSS.MS-ESS2-3

The process of rocky material growing in size due to repeated collisions with other space debris is called:

• Erosion
• Accretion
• Subduction
• Sedimentation

Reorder the following images to show the steps in Earth's formation.

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Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS1-6

Earth does not have nearly as many craters as the Moon because:

• the Moon protected the Earth from many asteroid impacts.
• the Earth's magnetic field deflects incoming asteroids.
• many of the Earth's craters have eroded away.
• the Earth isn't as old as the Moon.

Order the following craters from oldest to youngest.

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• 
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Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

Smaller particles collecting together into larger and larger objects is called . . .

• accretion
• contraction
• explosion
• rotation

The Earth cooled

• from the inside out.

• from the outside in.

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-ESS1-2

NGSS.MS-PS2-4

______ 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

Which of the following determines the kinetic energy of a meteor (space rock) as it strikes Earth?

[Mark all that are correct.]

• velocity

• angle of impact

• type of rock

• mass

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5