Which of the following lists contains all of the rocky planets in our solar system?

• Neptune, Mars, Venus, and Mercury

• Earth, Venus, Mercury, and Jupiter

• Mercury, Mars, Earth, Venus

• Mars, Mercury, Earth, and Saturn

An object that orbits the Sun, has a spherical shape, and has mass greater than the mass of other objects near it is a(n)

• star

• planet

• comet

• asteroid

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

What keeps planets in orbit around the Sun?

• the Sun's mass

• the Sun's period of rotation

• the Sun's gravitational force

• the Sun's color

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which planet is the solar system's largest?

• Jupiter

• Saturn

• Uranus

• Neptune

Tags

NGSS.MS-ESS1-3

Which planet has a sideways axis rotation?

• Jupiter

• Saturn

• Uranus

• Mercury

It is called the "red planet" because of its iron-right soil

• Mercury

• Venus

• Mars

• Jupiter

It has an atmosphere that protects life

• Earth

• Venus

• Mars

• Mercury

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which of the following governs the motion of our solar system?

• magnetism

• gravity

• sunlight

• friction

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Planets in our solar system orbit the Sun because it -

• has the greatest magnetic field.

• is the celestial body with the greatest mass.

• is the brightest object in our solar system.

• formed millions of years before the planets.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Which two factors affect the strength of the gravitational pull on two objects?

• Mass and density

• Weight and density

• Mass and distance

• Weight and distance

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4