Inner Planets Quiz

Which planets are called the inner planets?

• Mercury, Venus, Earth, and Mars

• Jupiter, Saturn, Uranus, and Neptune

• Earth, Mars, Jupiter, and Saturn

• Venus, Earth, Neptune, and Pluto

What is the main characteristic of the inner planets?

• They are made of gas and have many satellites.

• They are made of solid, rocklike materials and have few satellites.

• They are larger and colder than other planets.

• They have rings and are far from the Sun.

Which planet is the closest to the Sun?

• Venus

• Earth

• Mars

• Mercury

Why is Venus the hottest planet in the solar system?

• It is closest to the Sun.

• It has a thick atmosphere of carbon dioxide that traps heat.

• It has many volcanoes.

• It is made of hot gases.

What makes Earth a special planet in the solar system?

• It is the largest planet.

• It has rings.

• It supports life with water and oxygen.

• It is the hottest planet.

What is Mars known as due to its reddish surface?

• The Blue Planet

• The Green Planet

• The Red Planet

• The Yellow Planet

How many moons does Mars have?

• One

• Two

• Three

• Four

What is the main component of Mars' atmosphere?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

Which planet is closest to the Sun?

• Earth

• Venus

• Mars

• Mercury

What gives Mars its reddish color?

• Iron oxide

• Water

• Sand

• Ice