English

Have you seen that some thing float on water while others sink? - Environmental Studies

Advertisements
Advertisements

Question

Have you seen that something floats on water while others sink?

Short/Brief Note
Advertisements

Solution

Yes, I have observed that certain things float on water while others sink. Everything displaces water equal to its volume. If the displaced water is more than the weight of a thing, then the thing floats, otherwise, it sinks in water.

shaalaa.com
Experiments with Water
  Is there an error in this question or solution?
Chapter 7: Experiments with Water - Experiments with Water [Page 61]

APPEARS IN

NCERT Environmental Studies - Looking Around [English] Class 5
Chapter 7 Experiments with Water
Experiments with Water | Q 1.4 | Page 61

RELATED QUESTIONS

You put a steel plate on water. Would it sink or float? What would happen to a spoon?


Would the cap of a plastic bottle sink or float on water?


Find out from the other groups which things floated and which sank in the water?

After doing the experiment, fill in the blanks.

The iron nail ______ in water but the katori ______. I think this happened because ______ 


What difference did you see - in the water with salt, and
the water with chalk powder - after keeping for some time?


Ayesha put two drops of oil on the lid of her tiffin box. Next to that, she put two drops of water and two drops of sugar solution. She tilted the lid. She saw some drops slid down quickly, while some were left behind.

You also try to do the same and then tell - which drop went ahead? Why did it slide faster? 


What things do you put in water to make tea? Which of those things dissolve in water?


You have been given some mishri pieces (lumps of sugar). Suggest some ways to dissolve them quickly.


Find out from the other groups which things floated and which sank in the water?

After doing the experiment, fill in the blanks.

The empty plastic bottle ______ on water. The bottle filled with water ______ because ______ 


Find out from the other groups which things floated and which sank in the water?

After doing the experiment, fill in the blanks.

The aluminium foil ______ when it was spread out. When pressed tightly into a ball it ______. This may have happened because ______ 


On Sunday Ayesha’s cousin, brother Hamid came to her house to play. As soon as he came he asked his aunt to make his favourite shakkarpara (a sweet dish). Ammi said, “Let me come back from the market, then I will make some for you. Why don’t you help me? Take two glasses of water and put a bowl of sugar in it. Mix it till it dissolves.” Hamid thought, “Let me finish this work fast. Then I will watch TV”.

Suggest some ways to Hamid for quickly dissolving sugar.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×