Class 5 EVS Chapter 7 Experiments with water

Class 5 EVS Chapter 7 Experiments with water

 

Class 5 EVS Chapter 7 Experiments with water Fill in the blanks , MCQ , True false and Extra question answers.

 

Fill in the Blanks

 

1. When the puri was put in hot oil, it first _______ to the bottom of the pan. (Answer: sank)

2. A soap case with soap inside continued to _______ on water. (Answer: float)

3. In the Dead Sea, a person would not _______ even if they don’t know how to swim. (Answer: drown)

4. When sugar dissolves in water, we cannot _______ it anymore. (Answer: see)

5. Oil forms tiny _______ drops in water instead of dissolving completely. (Answer: yellow)

6. Salt dissolves in water but _______ powder does not dissolve completely. (Answer: chalk)

7. In the experiment with racing drops, some drops slid down _______ than others. (Answer: quickly)

8. When water is boiled for too long, it _______ and very little remains in the pan. (Answer: evaporates)

9. Gandhiji went on a march to Dandi to protest against the law that did not allow people to make _______. (Answer: salt)

10. Salt is made by allowing sea water to _______ in the sun. (Answer: dry)

 

Multiple Choice Questions

1. What happened to the puri that did not puff up in hot oil?
a) It floated
b) It sank
c) It dissolved
d) It broke apart
(Answer: b It sank)

 

2. When Ayesha put a ball of dough in water, what happened?
a) It floated
b) It sank
c) It dissolved
d) It puffed up
(Answer: b It sank)

 

3. What happened to the empty plastic bottle when put in water?
a) It sank
b) It floated
c) It dissolved
d) It broke
(Answer: b It floated)

 

4. What happened when Ayesha put too much salt in the water while boiling eggs?
a) The eggs broke
b) The eggs started to float
c) The eggs cooked faster
d) The water turned yellow
(Answer: b The eggs started to float)

 

5. The Dead Sea is special because:
a) It has fresh water
b) It is very deep
c) It is extremely salty
d) It has no fish
(Answer: c It is extremely salty)

 

6. What happens to aluminium foil when pressed tightly into a ball and put in water?
a) It dissolves
b) It floats
c) It sinks
d) It melts
(Answer: c It sinks)

 

7. What did Hamid need to do with sugar and water?
a) Boil it
b) Freeze it
c) Mix until sugar dissolves
d) Add salt to it
(Answer: c Mix until sugar dissolves)

 

8. The Dandi March led by Gandhiji was against:
a) High prices of salt
b) Poor quality of salt
c) Laws prohibiting people from making salt
d) Shortage of salt
(Answer: c Laws prohibiting people from making salt)

 

9. Which of the following would NOT dissolve in water according to the experiments?
a) Sugar
b) Salt
c) Oil
d) All of them dissolve
(Answer: c Oil)