Solar System

What body is found at the center of a heliocentric view of the solar system?

• the sun

• the Earth

• the moon

• Saturn

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Planets must be round, revolve around the sun and

• have cleared their orbit.

• have a moon.

• have rings.

• revolve around the Earth.

Which planets are closer to the sun and rocky? They are known as the terrestrial planets.

• Mercury, Venus, Earth and Mars

• Saturn, Uranus, Neptune and Jupiter

• Pluto, Ceres, Eris and Maekmake

• Earth, Saturn, Jupiter and Mercury

Which type of planet has a rocky and dense core?

• terrestrial

• gas giant

Which of the following planets is much larger than Earth?

• Jupiter

• Mercury

• Venus

• Mars

Tags

NGSS.MS-ESS1-3

The gas giants are less dense than the terrestrial planets because they are mostly made of

• gasses

• water

• rock

• metal

What keeps all the planets in orbit around the sun?

• the sun's gravity

• magnetism

• magic

• strings

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-ESS1-1

Asteroids are mostly composed of

• metals and rocks

• ice and dust

• water and carbon dioxide

• gasses

Tags

NGSS.MS-PS1-1

Comets are mostly composed of

• ice and dust

• rock

• water and carbon dioxide

• metal

What former planet was declassified to a dwarf planet because it did not have a clear orbit?

• Pluto

• Saturn

• Ceres

• Mercury