Science & Social Studies
The Solar System
Grade 6 · Elementary
Answer every question first, then press Finish to see your score and explanations.
- Question 1 of 20Easy
The center of our solar system is ...
- Question 2 of 20Easy
The planet closest to the Sun is ...
- Question 3 of 20Medium
The planet known as the red planet is ...
- Question 4 of 20Medium
The path along which a planet moves around the Sun is called its ...
- Question 5 of 20Hard
The largest planet and the planet with the most visible rings are ...
- Question 6 of 20Easy
The planet inhabited by living things is ...
- Question 7 of 20Easy
The natural satellite that orbits the Earth is ...
- Question 8 of 20Easy
The main source of energy for life on Earth comes from ...
- Question 9 of 20Easy
The number of planets in our solar system is ...
- Question 10 of 20Medium
The planet with the clearest and most beautiful rings is ...
- Question 11 of 20Medium
The group of planets known as the inner planets is ...
- Question 12 of 20Medium
A celestial body that moves around a planet is called a ...
- Question 13 of 20Medium
The planet farthest from the Sun is ...
- Question 14 of 20Medium
The Sun is called a star because ...
- Question 15 of 20Medium
The largest planet in the solar system is ...
- Question 16 of 20Hard
The planets keep orbiting the Sun because ...
- Question 17 of 20Hard
Venus is the hottest planet even though it is not closest to the Sun because ...
- Question 18 of 20Hard
The order of planets from closest to the Sun is ...
- Question 19 of 20Hard
Earth can support living things because ...
- Question 20 of 20Hard
A comet's tail always points away from the Sun because ...