7 Topic 4: Solar System

Which best describes the physical properties of the comets?

• Objects made of dust and ice orbiting far from the sun that emit gas and form a tail as they move closer to the sun

• Natural, solid, and rocky objects that orbit a planet.

• Celestial bodies that orbit a star at various distances and have significant mass.

• Space objects that enter Earth’s atmosphere at high speeds and burn up.

How are asteroids, comets, and meteors related?

• Meteors are small fragments of asteroids or comets that break into the Earth's atmosphere.

• Comets are small fragments of asteroids or meteors that break into the Earth's atmosphere.

• Asteroids are small fragments of asteroids or meteors that break into the Earth's atmosphere.

Which planets do not have moons?

• Mars & Neptune

• Mercury & Venus

• Mars & Uranus

• Venus & Mars

The gravitational force of attraction between two objects ______ if the masses increase.

Tags

NGSS.MS-PS2-4

Which of the following factors can affect the gravitational force between two objects?

• Distance

• Mass

• Composition

• Temperature

• Time

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2

Which planets are on the side of the habitable zone where it is too warm for water to exist as a liquid? Select all that apply.

• 3

• 1

• 4

• 2

• 5

If Earth's atmosphere were too dense, water would evaporate into the atmosphere and the surface temperature would increase.

• True

• False

Tags

NGSS.MS-PS3-4

Approximately what percentage of Earth’s atmosphere is oxygen?

• 10%

• 20%

• 50%

• 100%

The gravitational force of attraction between two objects ______ if the distance between them increases.

Tags

NGSS.MS-PS2-4

Which is the correct order for the first four planets in the Solar System?

• Mars, Venus, Earth, Mercury

• Mars, Mercury, Venus, Earth

• Mercury, Venus, Earth, Mars

• Venus, Earth, Mercury, Mars