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Download Extra revision sheet Science grade 4 1
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Extra revision sheet Science grade 4 1-Complete 1. The steps of water of water cycle are -------------,---------------,and-----------2. -------------------is a mixture of gases 3. ------------------is when water goes up as water vapor from the oceans 4. ---------------is when water vapor changes into tiny drops of water forming clouds 5. --------------------is when water arrives the earth surface and falls from the sky. 6. --------------------is when water collects and move down the side of the mountain. 7. --------------------is when water collects under ground in aquifer. 8. ------------------is the condition of atmosphere. 9. The atmosphere is ----------------km thick. 10. ----------------------is the amount of water vapor in the air. 11. ---------------------- is the weight of air. 12. Factors affecting air pressure are---------------,---------------------,-----------------------13. -----------------------is moving air. 14. Wind travelling from north pole to tropical area (equator) or wind travelling from south pole to equator are examples of --------------------wind 15. Winds happen because of difference in--------------------------16. Sea breeze and land breeze are examples of --------------------wind 17. -------------------are clouds that cover the sky and cause rain 18. ------------------are puffy white clouds that signal sunny and hot weather 19. -------------------are wispy made of streaks that signal cool and nice weather 20. -----------is a form of precipitation that forms in thunderstorm, made of ice layers. 21. -----------is a form of precipitation in which water vapor changes directly into ice. 22. ---------------------is a group of stars that makes a picture or a shape in the sky. 23. ---------------------is the path an object takes around another bigger object. 24. ------------------is when earth turns around its axis and it happens once every------25. --------------------- of earth causes day and night 26. ----------------is when earth turns around the sun and it happens once every-------27. There are two reasons why there are seasons which are-------------- ,--------------28. The part tilted of the earth toward the sun is ----------29. The part tilted of the earth away from the sun is -------------30. The moon takes --------------------to orbit the Earth 31. The moon is bright because it -------------------sunlight 32. Full moon is when -------------is between the sun and ------------------33. New moon is when -------------is between the sun and ------------------34. Phases of the moon are -----------------,--------------------,------------and ----------------35. The -----------------is made of the sun and all the bodies that revolve around it. 36. A ----------------------trails a bright stream behind it (has a tail) in the space. 37. Inner planets are -----------------,---------------,--------------------- and has ---------solid core 38. Outer planets are----------------,---------------,--------------and has---------solid core 39. Outer planets and inner planets have-----------------40. ---------------- is the red planet 41. -------------------is the smallest planets 42. ---------------------is the hottest planet 43. ---------------------is the biggest planet 44. ---------------------has thousands of rings 45. -------------------is tilted on its side. 46. ------------------is the only planet that has life on it Give Reason to the following 1. There is a succession of day and night - - - - -- - -- - - - - - - - - - - - - - - - -- - - - --- - - - - - - - -- - - - -- -- - - - -- -- 2. There are different seasons - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - - - - - - - - - - - - - - - - 3. There are different phases of the moon - - - - - - -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4. There is wind ----------------------------------------------------------Write under each picture the suitable term Classic barometer- anemometer- hail - crescent - solar system - thermometer - constellation ---------------------------------------- -------------- ----------------------------------------
