Stars and the Solar System (constellations, planets, moon phases, asteroids, comets)

Grade 6 Science — Stars and the Solar System (constellations, planets, moon phases, asteroids, comets): 25 practice questions with instant scoring and explanations.

1. A group of stars that forms a recognisable pattern is called a:
2. The Big Dipper is a famous:
3. How many planets are in our Solar System?
4. Which planet is closest to the Sun?
5. The largest planet in our Solar System is:
6. Earth is the _______ planet from the Sun.
7. Which planet has visible rings around it?
8. The Moon orbits around:
9. The Moon takes approximately _______ days to complete one orbit around the Earth.
10. The phase of the Moon when it is completely dark is called:
11. The phase of the Moon when we see the entire lit side is called:
12. A new moon occurs when:
13. Asteroids are mostly found between the orbits of:
14. An asteroid is:
15. A comet has a bright tail that points:
16. The tail of a comet is caused by:
17. Stars are massive celestial objects that:
18. The Sun is a:
19. The distance from Earth to the Sun is approximately:
20. Which planet is known as the Red Planet?
21. Venus is different from other planets because:
22. The number of moons that Earth has is:
23. A quarter moon phase occurs when the Moon appears to be:
24. Comets are made primarily of:
25. The North Star (Polaris) is important to navigators because: