Science 'N' us-3 final - School Books Publishers India

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Standard Units of MeasurmentlengthweightvolumetemperaturetimemetrekilogramlitredegreesecondLet us EnjoyEnjoy to fill the following crossword puzzle using the given clues :Across :3. Standard unit of weight iskilogram.5. Normal temperatureof our body is 37°celsius.6. 24 hours = 1 dayH O U R7. Litre is the unit of volume.Down :1. 1 hour = 60 minutes2. 1000 kg = 1 tonne4. Metre is the standard unit of length.5. an instrument used to measure timeFun Time ActivityCollect weather information from daily newspaper and complete the giventable.The month is _________________ :Date Day Maximum Temp. Minimum Temp.______ Sunday ______________ ___________________ Monday ______________ ___________________ Tuesday ______________ ___________________ Wednesday ______________ ___________________ Thursday ______________ ___________________ Friday ______________ ___________________ Saturday ______________ _____________The hottest day is ______________ :Ans. Do yourself.631 2M T4K I L O G R A MNNENUTES75 CETRE L S I U SLV O L U M ECKHorizon Press58Science 'n' Us - 1 to 5
10.OUR WONDERFUL BODYExerciseA. Answer the following questions :1. What are the organs of digestive system?Ans. Mouth, food pipe, stomach, small intestine and large intestine are theorgans of digestive system.2. Which system gives shape and support to human body?Ans. Skeletal system gives shape and support to human body.3. Which are the organs of respiratory system?Ans. Nose, trachea and lungs are the organs of respiratory system.4. What does the respiratory system do?Ans. Respiratory system is responsible for providing oxygen to differentparts of our body. Air enters through our nostrils where it is purified bysmall hair. The clean air passes through trachea to the lungs. Lungsabsorb oxygen from the air and send back rest of it. Oxygen helps inburning the food which produces energy. Oxygen also purifies ourblood.5. What is the function of the circulatory system?Ans. Main function of the circulatory system is to circulate blood throughoutthe body. Heart does the job of pumping blood to each and every part ofthe body. Various parts of the body get oxygen and food from bloodonly.B. Choose the correct word from side box and fill in the blanks :1. The same kind of cells form a tissue. excretory2. A group of the tissues form an organ. skin3. The skeletal system protects our soft internal organs. skeletal4. Our skin gives us the sensation of touch. tissues5. Kidneys, lungs and skin are the parts of excretory system. cellsC. Write :1. Number of bones in human body : 2062. Small units of which our body is made : cells3. Sense organ responsible for vision : eye4. Most sensitive organ : the tip of finger5. Organ system responsible for breathing : respiratory6. Organ that pumps blood : heartFlowchartHorizon Press59Science 'n' Us - 1 to 5
Page 1 and 2: Science'n'UsA COMPLETE SOLUTION OF
Page 3 and 4: 5. Three animals which give birth t
Page 5 and 6: C. Match the following :1. leaf (a)
Page 7 and 8: D. Match the following:1. crow (a)
Page 9 and 10: FlowchartFill up the boxes to compl
Page 11 and 12: 5. What type of claws and toes do c
Page 13 and 14: B. Choose the correct word from sid
Page 15 and 16: 8.STATES OF MATTERExerciseA. Answer
Page 17: 9.5. Topmost layer of earth's surfa
Page 21 and 22: 3. What is the function of incisors
Page 23 and 24: B. Choose the correct word from sid
Page 25 and 26: Ans.(ii) Surroundings of the house
Page 27 and 28: 3. Four rules of safety in the scho
Page 29 and 30: D. Write True or False against the
Page 31 and 32: FlowchartFill up the boxes to compl

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