Unit 2 Review

How many planets are in the solar system?

• 1 planet
• 8 planets
• 10 planets
• 100 planets

Which of the following lists the correct order of the planets from the sun?

• Mercury, Venus, Mars, Earth, Jupiter, Saturn, Uranus, Neptune

• Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Pluto

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

• Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune

Tags

NGSS.HS-ESS1-4

Select all of the following that are considered "inner planets".

• Venus

• Neptune

• Earth

• Saturn

Which group of planets are only made of gases and liquids and have no solid surface?

• Uranus, Neptune, Saturn

• Earth, Mercury, Mars

• Neptune, Venus, Jupiter

• Mercury, Uranus, Earth

Which best describes the inner and outer planets?

• the inner planets are gaseous and much closer together than the outer planets

• the inner planets are much smaller and more spread out than the outer planets

• the outer planets are terrestrial and much further apart than the inner planets

• the outer planets are much larger and more spread out than the inner planets

Which is the smallest planet?

• Saturn

• Uranus

• Earth

• Mercury

Tags

NGSS.MS-ESS1-3

Select the following planets that have rings.

• Neptune

• Saturn

• Jupiter

• Mercury

• Uranus

A person would weigh more on Jupiter than on the Earth because . . .

• Jupiter has more mass, and therefore more gravity
• Jupiter has less mass, and therefore more gravity
• Jupiter has more mass, and therefore less gravity
• Jupiter has less mass and therefore less gravity

Tags

NGSS.MS-PS2-4

Which statement about gravity is true?

• gravity causes objects to pull towards one another

• gravity causes objects to push away from each other

• gravity only takes place between planets

• the moon doesn't have any gravity

Tags

NGSS.MS-PS2-4

Because of inertia, a moving object will keep ________.

• at rest
• moving
• in one spot
• inertia 

Tags

NGSS.HS-PS2-1