When does a drought occur?
Drought is a condition where excessive amount of loss of water occurs. If there is no rainfall for the long time period than soil continuously loses water through the evaporation and transpiration. Water retaining capacity of soil becomes weak. The level of water in soil, oceans, ponds and lakes goes down or we can say dries up and which may leads to the condition called drought.
Popular Questions of Class 6 Science
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Draw (a) a leaf, (b) a taproot and (c) a flower, you have studied for Table 7.3.
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Name two foods each rich in:
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Tick (√) the statements that are correct.
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(c) Balanced diet for the body should contain a variety of food items. ( )
(d) Meat alone is sufficient to provide all nutrients to the body. ( ) - Q:-
List all items known to you that float on water. Check and see if they will float on an oil or kerosene.
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Given below are the names of some objects and materials:
Water, basket ball, orange, sugar, globe, apple and earthen pitcher Group them as:
(a) Round shaped and other shapes
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Name two items that are made from coconut fibre.
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Correct the following statements and rewrite them in your notebook.
(a) Stem absorbs water and minerals from the soil.
(b) Leaves hold the plant upright.
(c) Roots conduct water to the leaves.
(d) The number of petals and sepals in a flower is always equal.
(e) If the sepals of a flower are joined together, its petals are also joined together.
(f) If the petals of a flower are joined together, then the pistil is joined to the petal. - Q:-
If a plant has fibrous root, what type of venation do its leaves likely to have?
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Is it possible for you to recognize the leaves without seeing them? How?
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Match the objects given below with the materials from which they could be made. Remember, an object could be made from more than one material and a
given material could be used for making many objects.Objects Materials
Book Glass
Tumbler Wood
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Toy Leather
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Fill up the blanks
(a) The presence of specific features, which enable a plant or an animal to live in a particular habitat, is called .
(b) The habitats of the plants and animals that live on land are called habitat.
(c) The habitats of plants and animals that live in water are called habitat.
(d) Soil, water and air are the ———— factors of a habitat.
(e) Changes in our surroundings that make us respond to them, are called . - Q:-
A bag of cement lying in the open gets wet due to rain during the night. The next day the sun shines brightly. Do you think the changes, which have occurred in the cement, could be reversed?
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Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting action between them for each situation. Fill in the blanks.
Column I Column II
N - N _________
N - _________ Attraction
S - N _________
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