Exploring the Solar System

What are the four inner planets of our solar system?

• Mercury, Venus, Earth, Pluto

• Jupiter, Saturn, Uranus, Neptune

• Mercury, Venus, Earth, Mars

• Earth, Mars, Jupiter, Saturn

Which planet is known as the Red Planet?

• Mars

• Saturn

• Venus

• Jupiter

Name the largest planet in our solar system.

• Jupiter

• Mars

• Saturn

• Earth

What is the main difference between inner and outer planets?

• Inner planets have more moons than outer planets.

• Outer planets are closer to the sun than inner planets.

• Inner planets are gas giants; outer planets are rocky.

• Inner planets are rocky; outer planets are gas giants.

Which planet has the longest orbit around the Sun?

• Mars

• Earth

• Jupiter

• Neptune

What gas makes up most of Jupiter's atmosphere?

• Helium

• Methane

• Oxygen

• Hydrogen

Which planet is famous for its rings?

• Venus

• Saturn

• Mars

• Jupiter

What is the average temperature of Venus?

• 250 degrees Celsius

• 467 degrees Celsius

• 350 degrees Celsius

• 600 degrees Celsius

How long does it take for Earth to complete one orbit around the Sun?

• 365.25 days

• 365 days

• 366 days

• 364 days

Which planet has the most moons?

• Earth

• Mars

• Jupiter

• Saturn