Q.1- Fill in the blanks :-
(a) Burning of magnesium is a_____change
(b) In a physical change____new substance
(C) Penguins are found in______region
(d) The day-to-day condition of the atmosphere at a place is called________
(e) Torrid zones are located around the_______
Change.
Q.2- Tick the correct answer :-
(1) Along winter sleep of animal is called
(a) Aestivation
(b) hibernation
(c) Cold sleep
(d) Deep sleep
(ii) Toucan is a big bird with long
(a) Tail
(C) Legs
(d) Feathers
(iii) Humidity of a place is measured by
(a) Anemometer
(b) Hygrometer
(c) Thermometer
(d) Barometer
(iv) Burning of candle is a
(a) Physical change
(b) Chemical change
(c) Both
(d) None
(v) The reaction in which heat is evolved or given off is called
(a) Exothermic
(b) Endothermic
(C) Physical change
(d) Chemical Change
Q.3- State "T" for true and "F" for false :-
(a) Cutting of wood is a physical change. [ ]
(b) Salt is obtained from sea-water by crystallisation. [ ]
(c) Temparate zones lie between torrid and frigid zones. [ ]
(d) Wind vane is used to measure wind speed. [ ]
(e) Polar bear is a desert animal. [ ]
Answers
Answered by
1
Answer:
1) a. Chemical
b. no
c. polar
d. weather
e. equator
2) b. tail
c. hygrometer
d. chemical change
e. chemical change
3) a. true
b. true
c. false
d. true
e. false
Explanation:
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