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science worksheet 4

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Worksheet no 4 True or false State whether true of false . 1)    Nitric acid turns red litmus paper blue. 2)    Sodium hydroxide turns blue litmus paper red. 3)    Indicator is a substance which shows different colours   in acidic and basic solution .   4)If an indicator changes colour with a base ,it does not change colour with an acid.   5)Change of colour in an acid and a base depends on the type of the indicator
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science worksheet 6

FOREST Activity base 1 .Visit a forest or a park in your neighborhood. Observe the trees and try to identify them. You can take the help of some elders or book on trees .list the characteristics of the trees that you observe, such as the height, shape of leaves crown, flower, and fruits. Also draw the crown trees 2 .Dig a small pit. Put vegetable waste and leaves in it. Cover them with soil. Add some water. After three days, remove the upper layer of the soil. Does the pit feel warm inside?
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