Please select a subject first
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lt was Paheli’s birthday. Her grandmother gave her two gifts made of metals, one old dull silver spoon and a pair of lustrous gold earrings. She was surprised to see the difference in the appearance of the two metals. Can you explain the reason for this difference?
Concept: undefined >> undefined
Provide one word answers to the statement given below.
Joint which allows movement in all directions.
Concept: undefined >> undefined
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Provide one word answers to the statement given below.
Joint where our neck joins the head.
Concept: undefined >> undefined
Write the type of joint which is used for the following movement:
A cricket bowler bowls the ball.
Concept: undefined >> undefined
Write the type of joint which is used for the following movement:
A girl moves her head in right and left direction.
Concept: undefined >> undefined
Write the type of joint which is used for the following movement:
A person lifts weights to build up his biceps.
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Match the objects given in Column I with the materials given in Column II.
| COLUMN I | COLUMN II | ||
| (a) | Surgical instruments | (i) | Plastic |
| (b) | Newspaper | (ii) | Animal product |
| (c) | Electrical switches | (iii) | Steel |
| (d) | Wool | (iv) | Plant product |
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Why do you think oxygen dissolved in water is important for the survival of aquatic animals and plants?
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Differentiate among opaque, translucent and transparent materials, giving one example of each.
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Sugar, salt, mustard oil, sand, sawdust, honey, chalk powder, petals of flower, soil, copper sulphate crystals, glucose, wheat flour are some substances given to Paheli. She wants to know whether these substances are soluble in water or not. Help her in identifying soluble and insoluble substances in water.
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Four mixtures are given below.
- Kidney beans and chick peas
- Pulses and rice
- Rice flakes and corn
- Potato wafers and biscuits
Which of these can be separated by the method of winnowing?
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Which type of movement would have been possible if
our elbow had a fixed joint.
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Which type of movement would have been possible if
we were to have a ball and socket joint between our neck and head.
Concept: undefined >> undefined
Unscramble the jumbled word and write it in the blank space provided.
iontcaronct ................
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Unscramble the jumbled word and write it in the blank space provided.
sangro inerlan ................
Concept: undefined >> undefined
Unscramble the jumbled word and write it in the blank space provided.
laxaeriont ................
Concept: undefined >> undefined
Read the story titled “WISE FARMER” and tick the correct option to complete the story.
A farmer was sad/happy to see his healthy wheat crop ready for harvest. He harvested the crops and left it under the sun/rain to dry the stalks. To separate the seeds from the bundles of the stalk he hand picked/threshed them. After gathering the seed grains he wanted to separate the stones and husk from it. His wife winnowed/threshed them to separate the husk and later sieved/hand picked to remove stones from it. She ground the wheat grains and sieved/filtered the flour. The wise farmer and his wife got a good price for the flour. Can you tell why?
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Pick the change that can be reversed from the following.
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Which of the following change cannot be reversed?
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An iron ring is heated. Which of the following statement about it is incorrect?
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