Sun, Planets and Our Solar System

____ is also known as the evening star.

• The Sun

• The Moon

• Venus

• Saturn

Answer explanation

Venus is known as the evening star because it is the brightest in the evening before the Sun has gone down (Space, 2021).

What are the two gases that mostly make up Saturn?

• Oxygen & Helium

• Oxygen & Nitrogen

• Hydrogen & Helium

• Hydrogen & Nitrogen

Answer explanation

Saturn is a massive planet made up of 75% hydrogen and 25% helium, with traces of other substances like methane and water ice.

The inner planets in order from the Sun are ​ (a)   , ​ (b)   , (c)   , and then​ (d)   .

• Mercury

• Venus

• Earth

• Mars

• Jupiter

• Neptune

• Saturn

• Uranus

Tags

NGSS.MS-ESS1-3

The solar system contains the Sun, 8 planets, moons, asteroids, and comets.

• true

• false

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

The Sun and other stars orbit Earth.

• True

• False

Tags

NGSS.MS-ESS1-1

The solar system is made up of eight planets.

• true

• false

Tags

NGSS.MS-ESS1-3

Reorder the following planets according to the distance from the Sun.

• Venus

• Neptune

• Saturn

• Mars

• Jupiter

How do the inner and outer planets differ?

In space, the planets are lined up in perfect order from the Sun.

• true

• false

Mercury is the ​ (a)   planet while Jupiter is the ​ (b)   planet.

• smallest

• largest

Tags

NGSS.MS-ESS1-3