Aerated drinks are an example of:
A)
liquid-liquid mixtures
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B)
solid-liquid mixtures
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C)
liquid-gas mixtures
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D)
none of these
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Choose the odd one out from below with respect to reproduction.
A)
Eggs of hen
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B)
Seeds of plants
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C)
Buds of potato
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D)
Roots of mango tree
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S.I. unit of length is:
A)
centimeter
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B)
millimeter
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C)
meter
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D)
kilometer
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In an electric bulb, light is produced due to the glowing of
A)
The glass case of the bulb
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B)
The thin filament
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C)
The thick wires supporting the filament
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D)
Gases inside glass case of the bulb
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What is not true about air?
A)
It makes the windmill rotate.
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B)
It helps in the movement of aeroplane.
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C)
Birds can fly due to presence of air.
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D)
It has no role in water cycle.
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Given below are the names of some animals:
(i) Goat (ii) Human beings (iii) Cockroach (iv) Eagle
Which of the above animals form a pair of omnivores?
A)
(i) and (ii)
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B)
(ii) and (iii)
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C)
(iii) and (iv)
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D)
(ii) and (iv)
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Read the food items given below:
(i) Wheat (ii) Ghee (iii) Iodized salt (iv) Spinach (Palak)
Which of the above food items are energy giving foods?
A)
(i) and (iv)
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B)
(ii) and (iv)
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C)
(i) and (ii)
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D)
(iii) and (iv)
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Beera is a farmer. His field has black soil and the climate is warm. Which fiber yielding plant should he grow in his field?
A)
Jute
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B)
Cotton
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C)
Coconut
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D)
Wool
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Find the odd one out from the following:
A)
Tawa
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B)
Spade
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C)
Pressure cooker
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D)
Eraser
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Paheli asked for a glass of water from Boojho. He gave her a glass of ice cold water. Paheli observed some water droplets on the outer surface of the glass and asked Boojho how these droplets of water were formed. Which of the following should be Boojho's answer?
A)
Evaporation of water from the glass
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B)
Water that seeped out from the glass
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C)
Evaporation of atmospheric water vapour
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D)
Condensation of atmospheric water vapour.
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Answer the following questions in one word or in a sentence only. (i) What are transparent materials?
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Answer the following questions in one word or in a sentence only. (ii) How does an electric bulb glow?
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Answer the following questions in one word or in a sentence only. (iii) In which direction, a freely suspended magnet aligns itself?
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Answer the following questions in one word or in a sentence only. (iv) To clean their spectacles, people often breathe out on glasses to make wet. Explain why the glasses become wet?
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Answer the following questions in one word or in a sentence only. (v) For which process does a plant require carbon dioxide?
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Answer the following questions in one word or in a sentence only. (vi) Which kind of garbage is not converted into compost by the red worms?
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Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it?
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What features made crocodiles so adaptable to live on earth for the longest time?
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The distance between Radha's home and her school is 3250 m. Express this distance into km.
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What are the properties that are exhibited by light?
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The handles of the tools like screwdrivers and pliers used by electricians (for repair work) have plastic or rubber covers on them. Can you explain, why?
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Name any two magnetic and two non-magnetic materials.
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How is marine life dependent on oceans?
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Name five plants and their parts that we eat.
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'Water does not provide nutrients, yet it is an important component of food'. Explain.
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(i) Name two items that are made from coconut fiber. (ii) Explain the process of making yarn from fiber.
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Pick five object from the word box given in Fig. which are opaque and would sink in water.
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How will you separate sand and water from their mixture?
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Can the stem of a plant be compared with a street with two-way traffic? Give reason.
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Provide one word answers to the statements given below: (i) Joint which allows movement in all directions. (ii) Hard structure that forms the skeleton. (iii) Part of the body with a fixed joint.
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Explain why speed is important for survival in the grasslands for animals that live there.
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Match the events related to motion in Column I with the types of motions given in Column II:
Column I Column II (a) A moving wheel of a sewing machine. (i) Circular motion (b) Movement of tip of the minute hand of a clock in one hour. (ii) Rotational motion (c) A moving swing. (iii) Periodic motion
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Show an experiment which proves that light always travels in a straight line.
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Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet.
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How are clouds formed?
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How will you prove that air supports burning?
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Discuss "It is possible to reduce the problems related to disposal of garbage".
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