Quiz 1: Rocky Planets in Space

Which of the following is NOT considered a rocky planet in our solar system?

• Mercury

• Venus

• Jupiter

• Mars

What is the main characteristic that defines a rocky planet?

• It has a gaseous composition

• It has a solid, rocky surface

• It has multiple moons

• It has a thick atmosphere

Which rocky planet is known as Earth's "sister planet" due to its similar size?

• Mars

• Mercury

• Venus

• Neptune

What is the order of the rocky planets from closest to farthest from the Sun?

• Venus, Earth, Mars, Mercury

• Mercury, Venus, Earth, Mars

• Mars, Earth, Venus, Mercury

• Earth, Venus, Mercury, Mars

Which rocky planet has polar ice caps composed of water and carbon dioxide?

• Mars

• Venus

• Mercury

• Earth

What feature is unique to Earth among the rocky planets?

• It has a moon

• It has an atmosphere

• It has liquid water on its surface

• It has a magnetic field

Which rocky planet is known for its reddish appearance due to iron oxide on it?

• Mercury

• Venus

• Mars

• Earth

Which rocky planet is the smallest in our solar system?

• Earth

• Venus

• Mars

• Mercury

Which rocky planet has the highest surface temperature?

• Earth

• Venus

• Mars

• Mercury

Which rocky planet has the largest volcano in the solar system, Olympus Mons?

• Earth

• Venus

• Mars

• Mercury