Class 4 Science Chapter 9 Test 1 Updated: 12 Jun 2022 719 Welcome to your Class 4 Science Chapter 9 Test 1 1. The distance between Earth and Moon is about _______km. 284,000 384,000 484,000 584,000 None 2. The third biggest thing appearing in the sky after the sun and moon is _____. Venus Jupiter Neptune Uranus None 3. The circular path of a planet around the sun is called a/an______. Solar system Planets Both a & b Orbit None 4. All planets of solar system have moons except: Mercury Venus Both Mercury & Venus Jupiter None 5. Which planets have maximum number of Moons? Mercury Saturn Both Jupiter & Saturn Jupiter None 6. The natural satellites of the Earth are _______. Sun Jupiter Moon All of these None 7. ________ is the largest planet in the solar system. Venus Jupiter Neptune Uranus None 8. Complete moon is called ______ Full moon Badar Crescent Both Full moon & badar None 9. The moon completes one round around earth in ______ 27.3 28.3 29.3 30.3 None 10. The first planet that revolves closest to the sun is______. Jupiter Venus Earth Mercury None 11. The time taken by a planet to complete one orbit is called a/an ___period. Time Solar Orbital All of these None 12. The ebb and flow of the ________in the sky is due to its rotation around Earth. Sun Jupiter Venus Moon None 13. Moon complete one revolution around the Earth is about _______days. 28.5 29.5 30.5 None of these None 14. ______ is the brightest object appearing in the sky after the sun is the Moon. Venus Jupiter Neptune Uranus None 15. The Earth and the Moon, other planets, comets and asteroids etc. revolve around the sun due to the ___________of the sun. Center Gravity Magnetic field Solar system None 16. On the first day of lunar month, the very narrow shape of Moon is known as______. Full moon Badar Crescent Both Full moon & badar None 17. Among all the celestial bodies, ________ is the closest to the Earth. Jupitar Mercury Sun Moon None 18. The diameter of the moon is about _______km. 2,500 3,000 3,500 None of thee None 19. Solar system consists of all the planets which ______ around the sun. Runs away Close Revolves None of these None 20. The Moon has ______ atmosphere. Many One Two no None Time's up
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