Unit 2 Lesson 1 Formation of the Solar System

Why do all of the planets orbit the sun in the same direction?

• the sun's gravitational pull

• the magnetic force of the sun

• sunspots are pulling them in the same direction

• Jupiter is so massive it is pulling on all of the planets

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The outer planets have more moons because...check all that apply.

• outer planets have more gravity

• they rotate faster than the terrestrial planets

• they have a shorter orbit than the terrestrial planets

• they had more more material around them when they formed.

Tags

NGSS.MS-ESS1-2

Are the planets orbiting in the same direction as the sun's rotation?

• yes

• no

What is a solar nebula?

• the place where comets go when they move through the solar system

• clouds of dust & gas that formed the solar system

• protoplanets

• the finished solar system we see today

What is the 1st step in the formation of the solar system?

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Tags

NGSS.MS-ESS1-2

What is the 2nd step in the formation of the solar system?

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Tags

NGSS.MS-ESS1-2

What is the 3rd step in the formation of the solar system?

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Tags

NGSS.MS-ESS1-2

What is the 4th step in the formation of the solar system?

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Tags

NGSS.MS-ESS1-2

What is the final step in the formation of the solar system?

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Tags

NGSS.MS-ESS1-2

What evidence is there that the sun is rotating?

• scientists have observed sunspots on the sun

• scientists have observed that the sun tends to move around a lot

• by the rovers that have been put on the sun

• by the astronauts who have landed on the sun

Tags

NGSS.MS-ESS1-3