Why do organisms need to take food?
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1
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1655
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June 27, 2019
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Plz get me pdf of dav guide book class 7 science
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1
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1519
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June 25, 2019
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A car accelerates from rest at a constant rate α for some time
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1
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889
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June 20, 2019
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Write any seven differences between concave and convex mirror
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1
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3215
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June 19, 2019
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Three differences between uniform motion and nonuniform motion
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1
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1049
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June 18, 2019
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Why concave mirrors are used as shaving mirrors?
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1
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842
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June 17, 2019
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Please explain what is land breeze and sea breeze with a diagram
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1
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21916
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June 17, 2019
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Why does a balloon taken near a candle burst?
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1
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2309
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March 26, 2018
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The picture in figure shows tree line along the sea coast on an island near the equator
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0
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2806
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March 24, 2018
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Explain briefly how the uneven heating between the equator and the poles generate wind currents
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0
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4319
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March 24, 2018
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Describe an activity to demonstrate that warm air is lighter than cool air
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0
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6072
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March 24, 2018
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List two reasons that can cause floods
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0
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776
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March 24, 2018
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List the dangers associated with a cyclone
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0
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680
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March 24, 2018
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Write three precautions that need to be taken during a thunderstorm
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0
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1374
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March 24, 2018
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Write three precautions that need to be taken in cyclone prone areas
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0
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4039
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March 24, 2018
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Which one of the following place is unlikely to be affected by a cyclone?
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0
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9031
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March 24, 2018
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What planning is required in advance to deal with the situation created by a cyclone?
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0
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10940
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March 24, 2018
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How will you help your neighbours in case cyclone approaches your village/town?
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0
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7735
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March 24, 2018
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Explain why holes are made in hanging banners and hoardings
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0
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5222
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March 24, 2018
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You want to buy a house. Would you like to buy a house having windows but no ventilators? Explain your answer
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0
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4559
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March 24, 2018
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State two experiences that made you think that air exerts pressure other than those given in the text)
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0
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12373
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March 24, 2018
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Suggest two methods to find out wind direction at a given place
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0
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1929
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March 24, 2018
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Suggest some precautions to be taken to prevent the roof of a tin sheet from flying away during a fierce wind storm
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0
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3248
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March 24, 2018
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When strong/high speed wind blows, an umbrella held upright at times gets upturned
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0
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4128
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March 24, 2018
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Paheli kept an empty bottle made of plastic inside a refrigerator
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0
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3638
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March 24, 2018
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Explain how soil pollution and soil erosion could be prevented
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0
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7238
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March 24, 2018
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List the differences between clayey soil and sandy soil
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0
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7477
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March 24, 2018
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Explain how soil is formed
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0
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18300
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March 24, 2018
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In towns and cities, generally, the bore wells have to be dug very deep to get water as compared to bore wells dug in villages
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0
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4341
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March 24, 2018
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Gardeners gently dig up the soil around the roots of garden herbs (plants) frequently
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0
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2750
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March 24, 2018
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