Planets of Our Solar System

Which two things keep planets moving along their orbits?

• gravity and pressure

• pressure and inertia

• gravity and inertia

• inertia and heat

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The only planet that supports life.

• Pluto

• Mars

• Earth

• Mercury

Tags

NGSS.MS-LS1-5

Even though it is not closest to the sun, this planet is the hottest in the solar system.

• Venus

• Pluto

• Uranus

• Jupiter

Tags

NGSS.MS-PS1-4

The length of a year on a planet is best explained by

• The planet rotating on its axis

• The Sun rotating on its axis

• The revolution around the Sun

• The seasons

Saturn is the only planet with a ring system.

• True

• False

Which best describes the terrestrial planets?

• Large, planetary rings

• Small, dense, rocky

• Rocky cores, close to sun, surface craters

• Made of helium and hydrogen

Which planet has the most complex ring system?

• Earth
• Saturn
• Jupiter
• Mercury

Which planet is called "Earth's twin" because it is nearly the same size, density, and mass?

• Mars
• Mercury
• Venus
• Moon

Tags

NGSS.MS-ESS1-3

What separates the outer planets from the inner planets?

• Asteroid belt
• Kuiper belt
• Comets
• Canyons

________________ spins on its side unlike the other planets which spin perpendicular to their revolutions.

• Neptune
• Earth
• Uranus
• Jupiter