Class 4 Science Chapter 9 Test 1 Updated: 12 Jun 2022 447 Welcome to your Class 4 Science Chapter 9 Test 1 1. The natural satellites of the Earth are _______. Sun Jupiter Moon All of these 2. The sun is the __________ of solar system. Power station Part Center Planet 3. Solar system consists of all the planets which ______ around the sun. Runs away Close Revolves None of these 4. ________ is the largest planet in the solar system. Venus Jupiter Neptune Uranus 5. The ebb and flow of the ________in the sky is due to its rotation around Earth. Sun Jupiter Venus Moon 6. The moon completes one round around earth in 27.3 days and since earth is also moving, so moon is completed for us in ______ 28.5 29.5 30.5 None of these 7. The distance between Earth and Moon is about _______km. 284,000 384,000 484,000 584,000 8. ______ is the brightest object appearing in the sky after the sun is the Moon. Venus Jupiter Neptune Uranus 9. The circular path of a planet around the sun is called a/an______. Solar system Planets Both a & b Orbit 10. Which planets have maximum number of Moons? Mercury Saturn Both Jupiter & Saturn Jupiter 11. The first planet that revolves closest to the sun is______. Jupiter Venus Earth Mercury 12. All planets of solar system have moons except: Mercury Venus Both Mercury & Venus Jupiter 13. The Moon has ______ atmosphere. Many One Two no 14. Complete moon is called ______ Full moon Badar Crescent Both Full moon & badar 15. The diameter of the moon is about _______km. 2,500 3,000 3,500 None of thee 16. The closest star to Earth is the _________. Mercury Sun Moon None of these 17. Moon complete one revolution around the Earth is about _______days. 28.5 29.5 30.5 None of these 18. The moon completes one round around earth in ______ 27.3 28.3 29.3 30.3 19. Among all the celestial bodies, ________ is the closest to the Earth. Jupitar Mercury Sun Moon 20. The time taken by a planet to complete one orbit is called a/an ___period. Time Solar Orbital All of these Time's up
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