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DPS-Modern Indian School, Doha Qatar Subject: GENERAL SCIENCE Winter Revision Assignment 2011 Name: __________________ Date of sub. : 3/01/12 Class grade: ________ :V Sec: ________ Q.1 Name the following; a) A cracking of bone. b) The origin point of an earthquake. c) The condition in severe drought where the people die due to shortage of food and water. d) A bandage passing over the shoulder to support the broken bone. e) The weight that we try to move with the help of the lever. f) An instrument used by doctor to examine the patient. g) The force that supports an object to float in water or any liquid. h) A continuously moving lever. i) A device used to put off the fire. j) Elastic threads that join the bones. Q.2 Complete the following table: (Write 2 functions) Organ System Functions Excretory system Skeletal system 1 Circulatory system Nervous system Digestive system Respiratory system Q-3. Identify the instrument and class of lever: ____________________ _____________________ ___________________ _____________________ 2 Q-4. Answer the following: a) What are the safety measures to be taken if a person’s clothes catch fire due to kerosene stove? _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ b) Suggest the first aid you will give to your friend if he/she gets fracture in his/her leg while playing. ______________________________________________________ ______________________________________________________ ______________________________________________________ c) Mr.John is regularly going for the dialysis, which of his organ is not functioning properly? Why it is important to remove waste from our body? _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ 3 Human Body - Word Search Puzzle L N C E N X H H R A U I O I N C I I E U N P E S A I B D S A G V D M E S P C N C S T O N S I L S R E D T B E Y E S E R O S Y R E T R A S U I S E N I T S E T N I S E N O B F H G S K G L A N D S L W P J T N E M A G I L L V L A R G E I N T E S B L O O D U E R E Q N I A R B F G H N U APPENDIX ARTERY BLOOD BONES BRAIN EARS ESOPHAGUS EYES JOINT KIDNEY LARGE INTESTINE LIGAMENT LIVER HEART VEIN GLANDS M U N R M P F L H I O T B V LUNGS MOUTH MUSCLE NERVES NOSE TRACHEA TONSILS STOMACH E A R S T I P L L Y D I H Z P L E S O P H A G U S N N V A E H C A R T M E F P E E T S E V R E N U S N I K S J Y PANCREAS RIBS SKIN SMALL INTESTINE SPINE SPLEEN 4 Build Your Own Volcano Ready for some backyard activity – volcanic activity, that is! Here's what you need: Materials Baking pan or cover of a large bucket Soda bottle (16 ounce or 20 ounce) Moist soil or sand 1 tablespoon baking soda 1 cup vinegar Red food colouring Procedures 1. Colour the vinegar with red food colouring. 2. Put the baking pan (or cover) on the ground and place the soda bottle in the middle of it. 3. Shape the moist soil (or sand) around the bottle to form a mountain. Bring the soil to the bottle's opening, but don't get the soil inside the bottle. 4. Pour the baking soda into the bottle. 5. Pour the coloured vinegar into the bottle Watch red foam spray out of the top and down the mountain like lava from a volcano. Why it happened The baking soda reacted with the vinegar to produce carbon dioxide gas. The gas built up enough pressure to push the foaming liquid out of the top of the bottle. :: PRINTER FRIENDLY 5