Space quiz

Which of these is the largest planet in the Solar System?

• Earth
• Mars
• Mercury
• Jupiter

Which word means "a person who travels in a spacecraft"?

• scientist
• pilot
• astronaut
• engineer

What do you call the machine that travels into space?

• car
• plane
• spaceship
• boat

What is the word for "the natural satellite that orbits the Earth"?

• star
• planet
• moon
• sun

What is the term for "a vehicle designed to explore the surface of a planet"?

• satellite
• rocket
• rover
• submarine

Which word describes "a large system of stars held together by gravity"?

• galaxy
• asteroid
• comet
• meteor