Planets in the Solar System

Which planet is the fourth planet from the Sun?​ ​ (a)   ​

• venus

• mars

• earth

• neptune

Answer explanation

Mars is the fourth planet from the Sun in our solar system, coming after Mercury, Venus, and Earth.

Match the planet with its distinctive rings.

• dark band Rings

• Jupiter

• Faint rings

• Saturn

• No rings

• Uranus

• Distinctive rings

• Neptune

Answer explanation

Saturn is famous for its well-defined and prominent rings. Jupiter has faint rings, which are difficult to observe. Uranus has rings that are more like dark bands, and Neptune has faint and incomplete rings.

If Mars is about 1.52 astronomical units (AU) away from the Sun and Earth is about 1 AU away, what is the difference in their distances in AU?

Mathematical Equivalence

ON

Answer explanation

The difference in distances is simply the difference between the two values: 1.52 AU - 1 AU = 0.52 AU.

Tags

NGSS.MS-ESS1-3

Compare and contrast the characteristics of Earth and Venus, focusing on their atmospheres and surface conditions.

Answer explanation

Venus has no surface water, a toxic, heavy atmosphere made up almost entirely of carbon dioxide with clouds of sulphuric acid and at the surface the atmospheric pressure is over 90 times that of the Earth at sea-level. The surface of Venus is the hottest in the solar system at a searing 750 K (477 °C).

Arrange the inner planets based on their average surface temperatures, from hottest to coolest.

• • Venus

• Mercury

• Earth

Answer explanation

The correct order of the inner planets based on their average surface temperatures, from hottest to coolest, is Venus , Earth , and Mercury.

Tags

NGSS.MS-PS1-4

True or False
The planets are all equally distanced from each other.

• True

• False

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

What is the second planet from the sun?

• Mars

• Venus

• Mercury

• Earth

What is the seventh planet from the sun?

• Saturn

• Jupiter

• Uranus

• Neptune

Tags

NGSS.MS-ESS1-3

What planet is the smallest?

• Mercury

• Venus

• Mars

• Jupiter

Tags

NGSS.MS-ESS1-3

What is the largest planet?

• Jupiter

• the moon

• Saturn

• the Sun

Tags

NGSS.MS-ESS1-3