The Universe and Space Exploration

Grade 7 Science — The Universe and Space Exploration: 25 practice questions with instant scoring and explanations.

1. A galaxy is:
2. The Milky Way is:
3. A light year is a unit of:
4. The nearest star to the Sun is:
5. ISRO stands for:
6. Chandrayaan is:
7. Mangalyaan successfully orbits:
8. The primary objective of Chandrayaan was to:
9. An artificial satellite is used for:
10. A geostationary satellite orbits Earth with a period of:
11. GPS (Global Positioning System) uses:
12. The universe contains:
13. A black hole is formed when:
14. The Big Bang theory explains:
15. Which of the following is NOT a planet in our solar system?
16. The asteroid belt is located:
17. A comet is primarily composed of:
18. The Sun provides energy to Earth through:
19. India's first satellite launched by ISRO was:
20. Mangalyaan's discovery about Mars contributes to understanding:
21. Satellites used for weather monitoring are called:
22. The escape velocity from Earth is approximately:
23. A pulsar is:
24. The habitable zone around a star is where:
25. India's contribution to space exploration includes: