Inner & Outer Planets Study Guide for Quiz

List the planets in order from the Sun to outer space (my very educated mother just served us nachos).

• Neptune, Uranus, Jupiter, Saturn, Earth, Mars, Venus, Mercury

• Mercury, Venus, Mars, Earth, Jupiter, Saturn, Neptune, Uranus

• Mercury, Earth, Venus, Mars, Saturn, Jupiter, Uranus, Neptune

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

What is the name of the planets that are smaller, denser, and have rocky surfaces?

• inner or terrestrial planets

• Outer or Jovian Planets

• Giant Planets

• Rock Planets

What is the name of the planets that are large, less dense, and are made mostly of gas?

• inner or terrestrial planets

• outer or jovian planets

• Mega Planets

• Planet Fitness

Which planet is called Earth’s twin because it has a similar size and density?

• Mercury

• Venus

• Jupiter

• Uranus

Which planet is the largest in our solar system?

• Saturn

• Neptune

• Megaplanet

• Jupiter

Which planet is the smallest in our solar system?

• Miniplanet

• Mars

• Mercury

• the Moon

The hottest planet in our solar system has a thick atmosphere of greenhouse gases that traps in the heat from the Sun. Which planet is the hottest in the solar system due to its thick atmosphere of carbon dioxide? (Hint: this is not the closest planet to the Sun.)

• Mercury

• the Sun

• Mars

• Venus

How many stars are in our solar system?

• billions

• millions

• 8

• 1

Which is the only planet that is able support life as we know it due to liquid water?

• Earth

• Mars

• United States

• Venus