Unit 7 Test: Outer Space

What are the four inner planets?

List them in order. (closest to the sun ----> farthest from the sun)

• Mars, Venus, Earth, Mercury

• Venus, Jupiter, Earth, Mars

• Mercury, Venus, Earth, Mars

• Mercury, Earth, Mars, Saturn

Tags

NGSS.MS-ESS1-3

What are the four outer planets?

List them in order. (closest to the sun ----> farthest from the sun)

• Mars, Jupiter, Saturn, Uranus

• Mercury, Venus, Earth, Mars

• Saturn, Uranus, Neptune, Pluto

• Jupiter, Saturn, Uranus, Neptune

Which planet has the perfect conditions to sustain life?

• Venus

• Earth

• Jupiter

• Saturn

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

Which is NOT a criterion for a space object to be classified as a planet?

• It must orbit a star.

• It must have at least one moon.

• It must be big enough to have enough gravity to force it into a spherical shape.

• It must be big enough that its gravity has cleared away any other objects of a similar size near its orbit around the Sun.

How long does it take Earth to complete one rotation?

• 365 days

• 365 hours

• 24 days

• 24 hours

What are asteroids made out of?

• frozen gases, rock, and dust

• rock and iron

• helium and hydrogen

• iron, dust, and gases

Tags

NGSS.MS-PS1-1

The sun is classified as a ______.

• moon

• comet

• star

• lightbulb

Tags

NGSS.5-ESS1-1

Which of these characteristics distinguishes the outer planets from the inner planets?

• The outer planets have many moons.

• The outer planets have higher densities.

• The outer planets orbit in a different direction.

• The outer planets have smaller diameters.

There are likely billions of _________ orbiting our Sun in the Kuiper Belt and in the even more distant Oort Cloud.

• asteroids

• meteoroids

• comets

• moons

Tags

NGSS.MS-ESS1-3

Huge balls of hot, glowing gases that produce their own heat and light are called ______.

• galaxies

• stars

• comets

• moons