Class 5 Science Chapter 9 Test 2 Welcome to your Class 5 Science Chapter 9 Test 2 1. Mars has ________ moons. 2 3 1 4 2. Higher the satellite, ________ is the time required to complete its one orbit. Longer Zero Lesser None of these 3. Earth has ________ moon. 2 3 1 4 4. The ________ which are made by humans to revolve around the Earth are called artificial satellites. Space station Rocket Space ships None of these 5. The satellites revolving in the orbits around the Earth with the same speed as that of the Earth are known as ________satellites. Geo stationery NASA GPS None of these 6. Saturn has ________ moons. 79 82 27 14 7. ________ Satellites are commonly used for communication purposes and transmit TV signals across the world. Geo stationery NASA GPS None of these 8. The whole earth can be covered by three ________ Satellites for global transmission of radio and TV programs. Geo stationery Polar Orbiting Communication None of these 9. ________ is also called morning star Jupiter Saturn Neptune Venus 10. Information through Radio, TV and Internet reach in each part of the world because of ________. Natural satellite Artificial satellite Moon Other planets 11. The earth rotates about its axis from west to east. Hence the Sun, Moon and stars appear to move from ________. East to west West to east West to North West to South 12. For weather information, ________ Satellites are used. Geo stationery Polar Orbiting Communication None of these 13. The study of the Earth from orbiting satellites is known as ________. Geo stationery Polar Orbiting Communication Remote sensing 14. Neptune has ________ moons. 79 82 27 14 15. The Earth rotates about its axis from ________. East to west West to east West to North West to South 16. The Earth rotates about its axis with a speed of ________ per hour over the equator. 1300 km 1370 km 1400 km 1470 km 17. The bright object that we see the on the horizon just before sunrise or after sunset is the planet, ________. Jupiter Saturn Neptune Venus 18. ________ Satellites help to transmit signals of Radio, TV and mobile phones from one place to another. Geo stationery Polar Orbiting Communication None of these 19. Higher the satellite, the ________ is its speed. Higher Slower Moderate None of these 20. Uranus has ________ moons. 79 82 27 14 21. Geostationary Satellites orbit at a heigh of about ________ and are positioned directly above equator. 3000 km 4000 km 4600 km 3600 km 22. Jupiter has ________ moons. 79 82 27 14 Time is Up! Time's up
