# NCERT solutions for Class 5 Environmental Studies - Looking Around chapter 7 - Experiments with Water [Latest edition]

## Chapter 7: Experiments with Water

Think what would happen ifDo this and find outIs it magicWhat dissolved, what did not?Do this experimentTellRacing dropsWhere did the water go?What we have learnt
Think what would happen if [Pages 60 - 61]

### NCERT solutions for Class 5 Environmental Studies - Looking Around Chapter 7 Experiments with WaterThink what would happen if [Pages 60 - 61]

Think what would happen if | Q 1 | Page 60

Ayesha put a puffed puri in a bowl of water. Would it sink or float?

Think what would happen if | Q 2 | Page 60

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

Think what would happen if | Q 3 | Page 60

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

Think what would happen if | Q 4 | Page 61

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

Do this and find out [Pages 61 - 62]

### NCERT solutions for Class 5 Environmental Studies - Looking Around Chapter 7 Experiments with WaterDo this and find out [Pages 61 - 62]

Do this and find out | Q 1 | Page 62

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 ______

Do this and find out | Q 1 | Page 61

Do this experiment in groups of four friends. Each group will need a big pot filled with water and the things listed on the table. Put each thing one by one in water and observe. Write your observations in the table given below.

Mark [✓] for the things that float. Mark [×] for those that sink.

 Things to be put in water I guessed before I did it I saw when I did it Empty bowl (Katori) After putting in 6-7 small pebbles, one-by-one Iron nail or pin Matchstick Empty plastic bottle with its lid closed. bottle half-filled with water A bottle full of water Aluminum foil (from medicine packing) open and spread out pressed tightly into a ball in a cup-like shape Soap cake Soap cake on a small plastic plate A piece of ice
Do this and find out | Q 2 | Page 62

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 ______

Do this and find out | Q 3 | Page 62

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 ______

Is it magic [Page 63]

### NCERT solutions for Class 5 Environmental Studies - Looking Around Chapter 7 Experiments with WaterIs it magic [Page 63]

Is it magic | Q 1 | Page 63

Take some water in a glass. Put a lemon in it. Now keep putting salt in the water, half-a-spoon at a time. Were you able to float your lemon in water?

Is it magic | Q 2 | Page 63

What do you think, the lemon floated in salty water, because ______

What dissolved, what did not? [Page 63]

### NCERT solutions for Class 5 Environmental Studies - Looking Around Chapter 7 Experiments with WaterWhat dissolved, what did not? [Page 63]

What dissolved, what did not? | Q 1 | Page 63

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.

Do this experiment [Page 64]

### NCERT solutions for Class 5 Environmental Studies - Looking Around Chapter 7 Experiments with WaterDo this experiment [Page 64]

Do this experiment | Q 1 | Page 64

Make groups of four friends. For the experiment, you will need 4-5 glasses or bowls, spoons, water, and the things listed in the table. Take some water in each glass. Now try to dissolve one thing in one glass. Observe what happens and note it in the table.

 Things Did it dissolve or not? What happened after keeping for 2 minutes? 1. Salt ______ ______ 2. Soil ______ ______ 3. Chalk powder ______ ______ 4. 1 spoon milk ______ ______ 5. Oil ______ ______
Tell [Pages 64 - 65]

### NCERT solutions for Class 5 Environmental Studies - Looking Around Chapter 7 Experiments with WaterTell [Pages 64 - 65]

Tell | Q 1 | Page 64

Could you see the salt after it dissolved in water? If no, why?

Tell | Q 2 | Page 64

Does that mean that now the water does not have salt? If it has, then where is the salt?

Tell | Q 3 | Page 64

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

Tell | Q 4 | Page 64

Which of the two would you be able to separate from the water by straining with a cloth – salt or chalk powder?

Tell | Q 5 | Page 65

Do you think the oil got dissolved in the water? Why do you think so?

Racing drops [Page 65]

### NCERT solutions for Class 5 Environmental Studies - Looking Around Chapter 7 Experiments with WaterRacing drops [Page 65]

Racing drops | Q 1 | Page 65

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?

Where did the water go? [Page 65]

### NCERT solutions for Class 5 Environmental Studies - Looking Around Chapter 7 Experiments with WaterWhere did the water go? [Page 65]

Where did the water go? | Q 1 | Page 65

One day Ayesha’s mother put some water to boil on the stove for making tea. She got busy with something and forgot about it. When she remembered and came to check, she found very little water left in the pan.

Think where did the water go?

Where did the water go? | Q 2 | Page 65

One day Ayesha’s mother put some water to boil on the stove for making tea. She got busy with something and forgot about it. When she remembered and came to check, she found very little water left in the pan.

Why did Chittibabu and Chinnababu keep their mango jelly in the sun?

Where did the water go? | Q 3 | Page 65

One day Ayesha’s mother put some water to boil on the stove for making tea. She got busy with something and forgot about it. When she remembered and came to check, she found very little water left in the pan.

At your house, what things are made by drying in the sun?

What we have learnt [Page 66]

### NCERT solutions for Class 5 Environmental Studies - Looking Around Chapter 7 Experiments with WaterWhat we have learnt [Page 66]

What we have learnt | Q 1 | Page 66

You have washed your handkerchief and you want to dry it quickly. What all can you do?

What we have learnt | Q 2 | Page 66

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

What we have learnt | Q 3 | Page 66

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

## Chapter 7: Experiments with Water

Think what would happen ifDo this and find outIs it magicWhat dissolved, what did not?Do this experimentTellRacing dropsWhere did the water go?What we have learnt

## NCERT solutions for Class 5 Environmental Studies - Looking Around chapter 7 - Experiments with Water

NCERT solutions for Class 5 Environmental Studies - Looking Around chapter 7 (Experiments with Water) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Class 5 Environmental Studies - Looking Around solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 5 Environmental Studies - Looking Around chapter 7 Experiments with Water are Experiments with Water.

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