Name________________________________________ Class:__ ____________________________ Section_______________________________________ Name:__________________________ Evening Hifz Schooling Section _______ Science 8th (Summer Vacation Homework) Note : Maximum 40 minutes are required daily to complete the home work .Most of the home work will be solved on the question sheets just by reading the text book. Only diagrams will be drawn on separate A-4 sheets (used for photocopies) Task 01: Fill in the blanks by consulting the text book. Q 1: Fill in the blanks 1. Lactose is found in __________ while sucrose is found in ______________________. 2. The cell wall of plant cell is made up of complex carbohydrate called _____________. 3. The presence of starch in food can be tested by the use of ____________________. 4. The presence of glucose in food can be tested by the use of ____________________. 5. The presence of proteins in food can be tested by the use of ____________________. 6. The presence of fats in food can be tested by the use of ____________________. 7. Animals such as cow, goat and sheep are called __________________________. 8. Seafood, seaweed and green vegetables are the food sources of ______________. 9. Vitamin _______ and _________ are water soluble vitamins. 10. Fibre is made up _____________ which cannot be broken down by our body. 11. The energy value per gram carbohydrate is_________________. 12. ____________ are substances needed by the body in tiny amount for proper growth and development. 13. Knife like teeth called ______________ cut and slice into small pieces. 14. Starch + water ----------------__________________________. 15 The first part of small intestine is called______________________. Q 2. Identify the following statements as true or false and also correct the false statements. 1. Scurvy is the deficiency symptom of vitamin K. ( ) ____________________________________________________________________________________________________ ____________________________________________________________________________________________________ 2. The removal of undigested matter from our body is called excretion. ( ) ____________________________________________________________________________________________________ ____________________________________________________________________________________________________ 3. Fats are made up of fatty acid and glycerol. ( ) ____________________________________________________________________________________________________ ____________________________________________________________________________________________________ 4. Insects respire through special pores present on their body surface called spiracles. ( ) ____________________________________________________________________________________________________ ____________________________________________________________________________________________________ 5. The process of digestion end in the stomach. ( ) ____________________________________________________________________________________________________ ____________________________________________________________________________________________________ 6. Iron is found in red meat, liver and green vegetables. ( ) ____________________________________________________________________________________________________ ____________________________________________________________________________________________________ 7. Glucose + oxygen ------------ carbon dioxide + oxygen ( ) ____________________________________________________________________________________________________ ____________________________________________________________________________________________________ 8. The right side of heart receives deoxygenated blood and sends it to ventricles. ( ) ____________________________________________________________________________________________________ ____________________________________________________________________________________________________ 9. Iliac artery carries oxygenated blood to the legs. ( ) ____________________________________________________________________________________________________ ____________________________________________________________________________________________________ 10. Bacterial cells have proper nucleus. ( ____________________________________________________________________________________________________ ____________________________________________________________________________________________________ Q 3. Choose the correct answer. 1. Like carbohydrates__________ are compounds made up of carbon, hydrogen and nitrogen. a. carbohydrates b. Fats c. Proteins d. vitamins 2. The energy value per gram FATS is_________________ kJ/g. a. 17 b. 37 c. 17 d. 27 3. Grinding teeth called_______ crush the food into smaller pieces. a. canine b. molar c. pre-molar d. incisor c. 26 d. 36 4. Small intestine is _________ metre when stretched out. a. 6 b. 16 5. Fish breathe through __________. a. lungs b. gills c. skin d. respiratory system 6. The process through which energy is released is called ___________. a. digestion b. cellular respiration c. photosynthesis 7. heart is an organ of ___________ system a. respiratory b. skeletal c. circulatory 8. human heart has ____________ chambers a. Two b. Three c. Four d. Five 9. ____________ carries blood back to the heart a. arteries b. veins c. capillaries d. brain 10. Red blood cells transport __________ a. Hydrogen b. Water c. Oxygen d. food d. digestive ) Q 4. Match the Column A and B. Write the correct answer in Column C. Column A nutrients ethanol Biuret solution rickets cow Column B Testing for fats Vitamin deficiency carbohydrates ruminants mixture Column C Column A Relax diaphragm RBC Carbohydrates liver WBC Column B 17kj/g Bile exhalation Defence system Heamoglobin Column C Column A Blood components oxygen egestion stomach Vitamin K Column B Inhale air Gastric juice RBC Clotting of blood Not excretion Column C Task 03: Draw neat and labeled diagrams or tables on separate A4 blank paper and staple with the summer vacation homework file. 1. The human digestive system (page # 18) 2. Parts of alimentary canal (page # 21) 3. The stomach (page # 20) 4. The human respiratory system (page # 30) 5. Blood flow in the human heart (page # 35) Task 04: Write the following sentences in neat writing on narrow line loose sheets, one sentence on one page (for handwriting practice) 1- “I am a scientist. I am humble, curious and co-operative.” 23- “We build too many walls but not enough bridges” Isaac Newton “What is important is not what you hear, it's what you observe.” 4- “The Science of today is technology of tomorrow.” 5- “Live in touch with libraries and laboratories.” 6- “Plants don't have a brain because they are not going anywhere.” 7- “Sand is for fun, soil is for life of plants.” 8- “The root of education is bitter but fruit is sweet.” 9- “Science is not just learning but to practice in daily life.” 10- “Islam and the environment, advocating a harmonious balance between human and nature” __________________________________________________________________________