5 th Primary. Science

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Ernest Daniel
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2 Final revision sheet A-Complete the following: 1. two lungs. 2. Kidney 3. Soil 4. friction. 5. cancelled 6. silt soil, clay soil,sand soil. 7. avoid mixing of the blood. 8. Silt - yellow. 9. Clay - sand. 10. friction - movement 11. cancelled 12. cancelled 13. minor blood circulation - major blood circulation. 14. urine - sweat. 15. Two ureters - urinary bladder. 16. cancelled 17. bean 18. Oil - lubricants. 19. Silt. 20. Ball bearing. 21. Sugar cane, cotton, wheat. 22. opposite. 23. air resistance. 24. stream line - decrease the water resistance. 25. Sand- humus-clay. 26. two 27. valve. 28. Humus 29. heart, blood, blood vessels. 30. excess salt, excess water, urea, uric acid. 31. wind, heat, rain. 32. red blood cells, white blood cell, plasma, blood platelets kidneys, 2 ureters, urinary bladder and urethra. 34. right atrium. 35. Speed of object-surface area. 36. Nitrogenous wastes, urea and uric acid. 37. arteries, veins, blood capillaries. 38. White blood cells. 39. Red blood cells. 40. heart to all the body cells. 41. Right - pulmonary artery. 2

3 42. oxygen. 43. plasma. 44. Blood platelets B-Choose the correct answer: 1. B 2. C 3. A 4. A 5. B 6. A 7. C 8. B 9. B 10. A 11. C 12. C 13. B 14. C 15. A 16. A 17. B 18. C 19. A 20. C 21. B 22. A 23. A 24. B 25. B 26. cancelled 27. A 28. C 29. A 30. B C-Write the scientific terms : 1. 1-Friction force 2.Oil & lubricants 3.Ball bearings 4. Air resistance 5.Water resistance 6. Friction force 7.Circulatory system 11. vena cava 12.Pulmonary veins veins 8. Atria 9. Valve 10. Left ventricle 13.Pulmonary artery 14. White blood cells 15.Blood platelets 16. Plasma 17. Minor blood circulation 18. Major blood circulation 19. Right atrium 20. Aorta 21.Left atrium 22.Left ventricle 23. Vena cava 24. Solid wastes 25. Urinary system 26. Two kidneys 27. Urine 28. Urethra 29.Sweat 30. Soil 31.Humus 32. Clay soil 33. Clay soil 34. cancelled 35. Clay soil D-Give reasons for : 1- Because it is composed mainly of sand particles. 2- Because man sweats more in summer than in winter. 3- Because it consists of excess salts and water. 4- To store the urine till it gets out. 5- Because there is a wall to avoid mixing of the blood. 6- To allow blood to pass from the atrium to ventricle in one direction & not to return back. 7- Because the left ventricle pumps blood to all the body but the right ventricle pumps blood to the two lungs. 8- Because they attack microbes. 9- To decrease the air resistance. 10- To increase increases the air resistance to land safely. 11- To decrease the friction force. 3

4 12- Because they have a smooth surface. E) Put( ) or ( ): cancelled F) a- The diagram represents heart. b- Name the labeled parts a- pulmonary artery f- left atrium b- Aorta artery g- right ventricle c- Right atrium h- valve d- Vena cava i- left ventricle e- Pulmonary vein. G) 1-The figure represents urinary system. 2- Label the figure 1- Kidney. 2- Ureter 3- urinary bladder. 4

5 Model answer Exams of booklet Model Exam (1) 1-friction. 2-blood-blood vessels 3- cancelled. 2- Write scientific term: 1- cancelled. 2-Pulmonary artery. 3-Friction. 3- Give reasons for: 1-To decrease friction force. 4-Choose: 1-b 2-a 3-b 5-Put ( )or( ): 1- receives blood 2- large intestine 3- to all body parts Model Exam (2) 1-opposite. 2-oxygenated, pulmonary artery, carbon dioxide. 3-Veins-heart. 2-Write scientific term: 1-Aorta. 2-Pulmonary artery. 3-Aorta 4-Blood 5-Plasma. 3-Give reason for: 1-Due to the friction force. 2-To allow blood to pass from atrium to ventricle in one direction and preventing it from returning back. 5

6 4-Put ( )or( ): 1-5-Choose: 1- b-glass. 2-b Model Exam (3) 1-water resistance. 2-large intestine, removing out. 3-blood. 2-a-Give reason for: 1- To pump the blood to all the body. 2-b-Put ( )or( ): 1-2- large intestine 3- left thicker than right 3-Answer the following questions: - Ways to decrease friction: using ball bearing, oil and lubricant. 4-Write scientific term: 1-Ball bearing or oil and lubricants 2-Aorta. 3-Blood. 5-Choose: 1-d 2-c 3-d 4-a Model Exam (4) 1-friction. 2- Heart, blood, blood vessels 2- Circulatory system. 4- Cancelled 5-urethra. 2-Give reason for: 1-To keep circulatory system healthy. 2-Because man sweats more in summer than in winter. 3-Because ventricles pump the blood to all body parts. 6

7 4-To allow blood to pass from atrium to ventricle in one direction and prevent it from returning back. 3-Put ( )or( ): 1- smooth 2- left ventricle 3- ureter 4-Choose: 1-c 2-b 3-b 5-A-Write scientific term: 1-wall. 2-blood. 3-Large intestine 1-air resistance. Model Exam (5) 2-right atrium-right ventricle-left atrium-left ventricle. 3-valve-atrium-ventricle. 2-A-Give reason for: 1- Because plants take water and nutrients from the soil. 2-To transport urine from the urinary bladder to the outside of the body. 2-b-Put ( )or( ) 1- harms 2- ureter 3-Choose: 1-b 2-a 4-What will happen when? 1-Food and vitamins will not be delivered to body cells. 2-It will harm the circulatory system. 5-Write scientific term: 1-Pulmonary vein. 2-Skin. 3-cancelled 7

8 Model exam 6 A-Complete: 1-friction-movement. 2-red blood cells. 3-direct. 4-urea-uric acid excess salt-water. 5-cancelled B-Give reason for: 1-Because man sweats more in summer than winter. 2- cancelled 3-To allow food and oxygen to pass through cells. 4-To decrease friction force. C-1-put ( ) or(x): 1- x 2- x 3- x 4- x C-2- What is the function of: 1-To store urine. 2-It pumps the blood to all body parts. D-Write the scientific term of: 1-Friction force. 2-Soil. 3-Ventricles. 4-Excreation process. E-choose the correct answer: 1-c 2-a 3- b 4-cancelled 5-a. Model exam 7: Answer the following questions: (A)-complete the following sentence: 1-atria-ventricles. 2-pulmonary (minor) blood circulation-systemic (major) blood circulation. 3-Ureter-urinary bladder. 4-Friction force. (B)-what is the function of: 1-They attack the microbes. 2-Filter the blood from urea, uric acid,excess salt and water. 3-To decrease friction force. 4-It carries blood from heart to all body parts. 8

9 (C)-Put( ) or(x): 1- cancelled 2-x 3- x 4- x (D)-Choose the correct answer: 1-c 2- cancelled 3-b 4-c 5- cancelled (E)-Give reason for: 1-Because friction force on rough surface is more than on the smooth surface. 2-Because it causes damage of machines. (causes rising in temperature) 3-To allow blood to pass from atrium to ventricle in one direction,to prevent returning back of the blood 4-Because it contains humus. 9

Book Second Term Test Model Answers. Page 84 to 87

1. Write the scientific term: a. Red blood cells b. Aorta c. Ball bearings d. Air resistance e. silt soil f. sand soil 2. Write a brief account: Book Second Term Test Model Answers Page 84 to 87 a. friction: