Mercury, Mars, and Earth’s Moon all show evidence of heavy cratering from meteor impacts while Earth shows much less evidence of meteor impacts. The most reasonable conclusion to make from this data is that the early solar system had a much higher density of rocky material, but

• Earth has been resurfaced by ongoing processes.

• The rocky material was less likely to reach earth.

• Earth formed much later, when the solar system had fewer meteors.

• the protection from impact provided by Earth's atmosphere is decreasing.

Tags

NGSS.MS-ESS2-2

The process of (a)   is when gravity causes matter to come together and form larger bodies.

• Accretion
• Erosion

• Fusion

• Weathering

A small body of accreted gas and dust thought to have orbited the Sun during the formation of the planets is known as a (a)   .

• Asteroid

• Planetesimal

• Comet

• Meteor

Rocks in the solar system that orbit the Sun are known as (a)   .

• Asteroids

• Planetesimals

• Comets

• Meteors

Tags

NGSS.MS-ESS1-3

Which of the following is NOT a source of evidence for the early formation of Earth?

• Asteroids

• Lunar rocks

• Weathering patterns

• Rock record

The formation of gaseous elements through fusion in our sun is an example of:

• Accretion

• Erosion

• Fusion

• Weathering

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Which of the following rocks is used by geologists to understand Earth's history?

• Fossil record

• Rock record

• Mineral deposit

• Geological archive

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Asteroids are:

• A small body of accreted gas and dust thought to have orbited the Sun during the formation of the planets

• Rocks from the moon

• When gravity causes matter to come together and form larger bodies

• Rocks in the solar system that orbit the Sun

Tags

NGSS.MS-ESS1-3

Why do scientists use meteorites to learn about Nebular Theory?

• Planets and meteorites were formed at the same time, from the same nebula.

• The meteorites have evidence of aliens from other planets.

• The meteorites were formed 1 billion years after our planets.

• All meteorites are as round in shape as Earth and the other planets.

Tags

NGSS.HS-ESS1-6

How did solar wind and heat from the newly formed sun change composition of the outer planets of the solar system (Jupiter, Saturn, Uranus, Neptune)?

• The outer planets lost all of their light and heavy elements.

• The outer planets lost all of their lighter elements (Hydrogen, Helium, etc).

• The outer planets gained a lot of lighter elements (Hydrogen, Helium, etc).

• There was no effect from solar wind and heat.