Planets
The Sun & Stars
Earth & Moon
Space Objects
Space Exploration
100

What is the largest planet in our solar system?

Jupiter

100

What type of star is the Sun?

A medium-sized (yellow dwarf) star

100

What is Earth’s natural satellite?

The Moon

100

What is a large rock that orbits the Sun?

Asteroid

100

Who was the first person to walk on the Moon?

Neil Armstrong

200

Which planet is known as the Red Planet?

Mars

200

What provides the Sun’s energy?

Nuclear fusion

200

How long does it take Earth to rotate once?

24 hours

200

What is a space rock that burns up in Earth’s atmosphere?

Meteor

200

What was the name of the first Moon landing mission?

 Apollo 11

300

Which planet is closest to the Sun?

Mercury

300

What is the Sun mostly made of?

Hydrogen and helium

300

What causes day and night?

Earth’s rotation

300

What is a chunk of ice and dust with a tail?

Comet

300

What tool do scientists use to see far into space?

Telescope

400

Which planet has the most visible rings?

Saturn

400

What layer of the Sun do we see from Earth?

Photosphere

400

How long does it take the Moon to orbit Earth?

About 27 days

400

Where is the asteroid belt located?

Between Mars and Jupiter

400

What is NASA?

The U.S. space agency (National Aeronautics and Space Administration)

500

Which planet rotates on its side?

Uranus

500

What force keeps planets in orbit around the Sun?

Gravity

500

What causes the phases of the Moon?

The Moon’s position relative to Earth and the Sun

500

What is a meteor that reaches Earth’s surface called?

Meteorite

500

What rover explored Mars and sent pictures back to Earth?

Curiosity, Perseverance, Spirit, or Opportunity)

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