experiments with water question answer

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• Chapter 7: Experiments With Water

NCERT Class 5 EVS Chapter 7- Experiments with Water

NCERT Class 5 EVS Chapter 7 explains to children the various properties of water. It guides students in identifying the objects that float and sink in the water and the objects that are soluble and insoluble in water. The differences and similarities between different kinds of liquids like water, oil, milk, cold drinks, etc., are taught in this chapter. The chapter also covers the process of evaporation.

The Class 5 EVS, Chapter 7 Experiments with Water contains questions such as the following:

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

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

These are a few questions from the EVS, Class 5, Chapter 7. If you wish to know more, view the NCERT Solutions below.

NCERT Solutions for Class 5 EVS Chapter 7 Experiments with Water

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Access NCERT Solutions for Class 5 EVS Chapter 7

Think what would happen if

Q1. Ayesha put a puffed puri in a bowl of water. Would it sink or float?

Answer: When puffed puri is put in a bowl of water, it floats.

Q2. You put a steel plate on water. Would it sink or float? What would happen to a spoon?

Answer: If you place a steel plate on the water carefully, it will float. When you put the spoon in the water, it sinks.

Q3. Would the cap of a plastic bottle sink or float on water?

Answer: The cap of a plastic bottle floats when put in the water since it is plastic.

Q4. Have you seen that some things float on water while others sink? Think how this happens!

Answer: It is observed that a few things float and a few sink in the water. If the item put in the water is lighter, it floats. If it is heavier, it sinks. It depends upon the volume of the item.

Do this and find out

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

Q1. Mark [✓] for the things that float. Mark [✕] for those that sink.

Q2. Find out from the other groups which things floated and which sank in the water?

Answer: Things which are heavy usually sink, like metal chains, hammers, steel key chains, etc. Things which are lighter float, like plastic balls, foam balls, etc.

Q3. After doing the experiment, fill in the blanks.

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

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

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

1. The iron nail sank into water, but the katori floated. I think this happened because the iron nail displaced less amount of water than the katori displaced.

2. The empty plastic bottle floated on water. The bottle filled with water sank because the bottle filled with water displaced less amount of water than the empty bottle displaced.

3. The aluminium foil floated when it was spread out. When pressed tightly into a ball, it sank. This may have happened because when pressed tightly into a ball it would have displaced less amount of weight than the aluminium foil spread out.

Is it magic?

Q1. 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?

Answer: Yes the lemon started to float on water.

Q2. What do you think, the lemon floated in salty water, because……

Answer: When we keep adding salt to the water, the water becomes thicker, and hence the lemon floats.

What dissolved, what did not?

Q1. Suggest some ways to Hamid for quickly dissolving sugar

Answer: For dissolving sugar quickly, Hamid can follow these methods:

• Continuously stirring the mixture.
• On low flame stirring the mixture.

Do this experiment

Q1. 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 in the table

Q1. Could you see the salt after it dissolved in water? If no, why?

Answer: Salt, when dissolved in water, cannot be seen since it is soluble in nature.

Q2. Does that mean that now the water does not have salt? If it has, then where is the salt?

Answer: Salt being dissolved in the water doesn’t mean the water does not have salt.

Q3. What difference did you see – in the water with salt, and the water with chalk powder – after keeping for some time?

Answer: Salt, when dissolved in water, makes the water look transparent. Chalk powder doesn’t dissolve in water; instead, it settles down at the bottom of water.

Q4. Which of the two would you be able to separate from the water by straining with a cloth – salt or chalk powder?

Answer: We can separate chalk powder by straining it with a cloth since it doesn’t get dissolved. Salt gets dissolved in water hence we cannot strain it.

Q5. Do you think the oil got dissolved in the water? Why do you think so?

Answer: No, the oil doesn’t get dissolved in water. It just floats on the water.

Racing drops

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.

Q1. You also try to do the same and then tell – which drop went ahead? Why did it slide faster?

Answer: Drops of water slide faster than the oil drops or sugar solution since both oil and sugar solution are thicker than water and get stuck to the box making it difficult to slide.

Where did the water go?

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.

Q1. Think where did the water go?

Answer: The water evaporated, and hence less water remained in the pan.

Q2. Why did Chittibabu and Chinnababu keep their mango jelly in the sun?

Answer: Chittibabu and Chinnababu kept their mango jelly in the sun so that the water in it gets evaporated.

Q3. At your house, what things are made by drying in the sun?

Answer: At my home, they prepare papad, pickles, sabudana papad, and mango jelly by drying them in the sun.

What we have learnt

Q1. You have washed your handkerchief and you want to dry it quickly. What all can you do?

Answer: To dry the washed handkerchief, firstly, we can squeeze and spread it out properly and leave it to dry in the sun. We can also use ironing to dry the kerchief.

Q2. What things do you put in water to make tea? Which of those things dissolves in water?

Answer: To prepare tea, we need to add sugar, tea powder, and milk to the water. Milk and sugar get dissolved in water while the tea powder settles down at the bottom later. By using a strainer, we can obtain tea.

Q3. You have been given some mishri pieces (lumps of sugar). Suggest some ways to dissolve them quickly.

Answer: Lumps of sugar can be dissolved by adding a little amount of water and putting it on low flame. Lumps of sugar can be crushed into smaller pieces later by adding water to it and could be heated over a flame. Continuous stirring results in dissolving.

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Experiments with Water Class 5 Question Answers

April 9, 2022 by Manjeet Leave a Comment

“Experiments with water” is Chapter 4 in Class IV EVS for JKBOSE students. In this post, I am discussing Experiments with Water Class 5 Question Answers with you. You have already read Question Answers of Seeds and Seeds in the last post. Let’s get started with this post:

Introduction

The chapter “Experiments with Water” is about how different objects behave with different objects. It introduces children to which things float on water and which sink in water, which things dissolve in water and which do not. 

Experiments with Water Question Answers

Think what would happen if page no 36.

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

Ans. The puffed puri will float on the surface of the water in the bowl of water.

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

Ans. If a steel plate is put carefully on the surface of the water it will float. The spoon will sink into the water.

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

Ans. The cap of the plastic bottle float on the surface of the water.

Do this and find out Page No. 37

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

Ans. The heavy things like a metal chain, hammer, steel key chain etc. usually sink in water while the lighter things like plastic balls, foam balls etc. float on the surface of the water.

• After doing the experiment, fill in the blanks.
• The iron nail ______ in water but the katori ______. I think this happened because __________________
• The empty plastic bottle ______ on water. The bottle filled with water ______ because _________________
• The aluminium foil ______ when it was spread out. When pressed tightly into a ball it __________. This may have happened because __________________
• The iron nail sank in the water but the katori floated . I think this happened because the weight of water displaced by the iron was less than it but the weight of water displaced by the katori was more than it .
• The empty plastic bottle floated on the water. The bottle filled with water sank because the weight of water displaced by the empty plastic bottle was more than its weight but the weight of the bottle filled with water was more than that of the weight of water displaced by it.
• The aluminium foil floated when it was spread out. When pressed tightly into a ball it sank . This may have happened because the weight of aluminium foil is less than that of water displaced by it but the weight of the aluminium ball is more than that of the water displaced by it.

Is it magic?

• 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?

Ans. Yes, the lemon will start floating in the water after dissolving a large amount of salt in the water.

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

Ans. When we keep adding salt to the water the lemon starts to float because the water becomes thicker (i.e. density of water increases).

What dissolved, what did not? Page No 39

Ans. For dissolving sugar quickly, Hamid can follow these methods:

• Continuously stirring the mixture.
• By heating the mixture.

Do this experiment Page No. 40

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

Tell Page No. 40

• Could you see the salt after it dissolved in water? If not, why?

Ans .  Salt cannot be seen after it dissolves in water. This is because the salt is completely soluble in water.

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

Ans. No, it does not mean that the water does not have salt in it. The salt is completely dissolved in water.

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

Ans. The salt gets completely dissolved in water while chalk powder does not dissolve in water. After some time chalk powder settles down at the bottom of the water.

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

Ans. We can strain the chalk powder by using cloth because it does not get dissolved in water but salt gets completely dissolved in water so we cannot strain it.

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

Ans. No, the oil doesn’t get dissolved in water. It just floats on the water.

Racing drops Page No. 41

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 slide 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?

Ans. Drops of water slide faster than the oil drops or sugar solution since both oil and sugar solution gets stuck to the box making it difficult to slide.

Where did the water go?

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?

Ans.  The water gets evaporated and turned into vapour.

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

Ans. At my home, they prepare papad, pickles, sabudana, papad, mango jelly, bidis and potato chips by drying them in the sun.

What we have learnt

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

Ans. I will squeeze the water out of the handkerchief and spread the handkerchief on a clothesline, in the sun. I can also use a hot electric iron to dry the handkerchief.

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

Ans. We have to add sugar, tea powder, and milk to the water to prepare tea. Milk and sugar get dissolved in water while the tea leaves settle down at the bottom.

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

Ans. Lumps of sugar can be dissolved by adding a little amount of water and putting it on a low flame, lumps of sugar can be crushed into smaller pieces later by adding water to it could be heated over a flame and continuous stirring results in dissolving.

That’s all we have about Experiments with Water Class 5 Question Answers . Hope it has helped you with your query. Do share your views about this post in the comment section below.

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NCERT Solutions for Class 5 EVS Chapter 7 - Experiments with Water (Looking Arround)

• NCERT Solutions
• Chapter 7 Experiments With Water

NCERT Solutions for Class 5 EVS Chapter 7 Experiments with Water - FREE PDF Download

Class 5 EVS NCERT Solutions for Chapter 7 - "Experiments with Water" helps students learn about the properties of water through practical experiments. This chapter encourages hands-on learning to understand concepts like buoyancy and solubility. Class 5 EVS Chapter 7 Question Answer PDF provides clear explanations and step-by-step guidance to perform these experiments, making learning engaging and effective. Students not only learn scientific principles but also develop critical thinking skills through observation and analysis. Class 5 EVS NCERT Solutions are designed to enhance understanding and make studying enjoyable for young learners.

Download the FREE PDF of Class 5th Chapter 7 Question Answer prepared by Vedantu Master Teachers and updated according to the latest CBSE Class 5 EVS Syllabus . Start with Vedantu to excel in your studies.

Glance on NCERT Chapter 7 Experiments with Water Class 5

Experiments with Water for Class 5 delves into the world of water through practical activities. 

It introduces students to various experiments that show water's properties, such as its ability to float objects, form droplets, and change states. 

Class 5 EVS Chapter 7 emphasises hands-on learning, encouraging students to explore concepts like buoyancy and solubility. 

By engaging in these experiments, students not only deepen their understanding of scientific principles but also develop essential observation and analytical skills. 

Class 5 EVS Chapter 7 Worksheet with Answers helps in understanding the natural properties of water.

Access NCERT Solutions for Class 5 EVS Chapter 7 - Experiments with Water

Think what would happen if.

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

Ans: It would float on the surface of the water.

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

Ans: When you put a steel plate in water, it would sink and a spoon would also sink because metals are generally denser than water.

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

Ans: The cap of a plastic bottle would typically float on water. 

4. Have you seen that some things float on water while others sink? Think how this happens!

Ans: Things float or sink on water based on their density. Objects denser than water sink because they displace less water than their weight. Objects less dense than water float because they displace water equal to their weight.

Do this and Find Out

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

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

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

Ans: Items that typically float in water:

Plastic bottle cap

Plastic cup

Wooden stick

Ping pong ball

Items that typically sink in water:

Steel plate

Coin (like a penny or nickel)

3. After doing the experiment, fill in the blanks.

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

Ans: The iron nail sank into water, but the katori floated. I think this happened because the iron nail displaced less amount of water than the katori displaced.

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

Ans: The empty plastic bottle floated on water. The bottle filled with water sank because the bottle filled with water displaced less amount of water than the empty bottle displaced.

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

Ans: The aluminium foil floated when it was spread out. When pressed tightly into a ball, it sank. This may have happened because when pressed tightly into a ball it would have displaced less amount of weight than the aluminium foil spread out.

Is it Magic?

1. 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?

Ans: Yes, adding salt to water increases its density, which can make objects like a lemon float instead of sinking. This happens because saltwater becomes denser than freshwater, providing more buoyant force to support the lemon's weight.

2. What do you think, the lemon floated in salty water, because……

Ans: the salt increased the density of the water.

What Dissolved, What Did Not?

1. Suggest some ways to Hamid for quickly dissolving sugar

Ans: Here are some ways for Hamid to quickly dissolve sugar:

Stir vigorously with a spoon.

Heat the water (if applicable) to increase solubility.

Crush the sugar into smaller granules before adding it to water.

Do this Experiment

1. 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 in the table

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

Ans: No, you cannot see the salt after it dissolves in water because salt is soluble in water

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

Ans: Yes, the water still contains salt after it dissolves. The salt ions are dispersed throughout the water, making a solution where salt is present but not visible.

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

Ans: After some time, the water with salt remained clear, while the water with chalk powder appeared cloudy.

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

Ans: You would be able to separate chalk powder from the water by straining with a cloth, but you cannot separate dissolved salt from water using this method.

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

Ans: No, oil does not dissolve in water. It just floats on the water.

Racing drops

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.

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

Ans: Water drops slide quicker than oil or sugar solution drops because both oil and sugar solution are thicker than water and stick to the box, making sliding difficult.

Where did the Water Go?

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.

1. Think where did the water go?

Ans: The water evaporated, leaving less water in the pan.

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

Ans: Chittibabu and Chinnababu placed their mango jelly in the sun to evaporate the water in it.

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

Answer: At my home, we make papad, pickles, sabudana papad, and mango jelly by drying them in the sun.

What we have Learnt

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

Ans: To dry a washed handkerchief, first, squeeze it, spread it out properly, and leave it in the sun. You can also use ironing to dry it.

2. What things do you put in water to make tea? Which of those things dissolves in water?

Ans: To make tea, you put tea leaves (or tea bags), sugar, and milk in water. Out of these, sugar dissolves in water.

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

Ans: We can dissolve mishri pieces quickly in two ways.

By stirring powdered mishri in water.

By heating the mixture of water and crushed or powdered mishri.

Benefits of Class 5 EVS Chapter 7 Question Answer

Class 5 EVS Chapter 7 Worksheet With Answers helps students understand the concepts of water's properties and behaviour through detailed explanations and practical examples.

Experiments with Water Class 5 reinforces learning through repetition and practice, making it easier for students to remember important points.

Class 5 EVS Chapter 7 Question Answer PDF is prepared to help students prepare for exams by providing practice questions and answers, helping them be well-prepared for their assessments. 

Builds confidence in students as they can correctly answer questions and understand the material.

Class 5 EVS Chapter 7 Question Answer is aligned with the NCERT textbook, ensuring they cover all topics in the syllabus and follow the CBSE curriculum. 

Vedantu’s NCERT Solutions for Chapter 7 Experiments with Water Class 5 is a great resource for young learners. These solutions help students understand important concepts about water, such as its properties, uses, and experiments that can be done with it. Focusing on these key topics will aid in understanding the material better. Last year’s question paper included around five questions from this chapter, highlighting its significance. By using Experiments with Water for Class 5 Solutions, students can understand the chapter easily, practice effectively, and be well-prepared for their exams.

NCERT Solutions for Class 5 EVS Chapter-wise List

Other ncert study resources for class 5 evs.

For complete preparation of EVS for CBSE Class 5 exams, check out the following links for different study materials available at Vedantu.

FAQs on NCERT Solutions for Class 5 EVS Chapter 7 - Experiments with Water (Looking Arround)

1. What does Chapter 7 Experiments with Water Class 5 deal with?

The EVS Chapter 7 of Class 5 deals with important topics related to the properties of water, like the colour, taste, melting point, boiling point, etc. It also elaborates on different states of water like ice, vapour. This chapter is mainly experimental and helps students to practically analyse and understand these properties.

This chapter consists of several Experimental exercises that help students to learn about weight force which determines the concept of floatation. This chapter also covers the difference between water and other liquids. Furthermore, they also learn about evaporation and condensation largely through experiments and inference that are provided in the chapter. 

2. What makes Vedantu NCERT Solution for class 5 EVS Chapter 7 special?

Vedantu NCERT solutions for class 5 EVS chapter 7 are curated by expert teachers who have years of experience in teaching students of CBSE boards. They formulate the answers by strictly adhering to the prescribed CBSE syllabus and question pattern. Furthermore, the solutions provide a detailed illustration of each and every topic with brief definitions, experiments, examples and diagrammatic presentations.

Vedantu solutions are framed with easy comprehensible language suitable for a class 5 student to learn and understand better. Additionally, Vedantu also provides mock test papers and sample solutions for students to practice more and get a better insight into the question types and patterns so that they can adequately answer various types of questions in the exam. 

3. What does Chapter 7 talk about precisely?

Chapter 7, Class 5 EVS, discusses a variety of experiments that can be done with water to learn about its fundamental features. It delves into themes such as water's dissolving nature, soluble and insoluble things, the distinction between water and other liquids, the evaporation process, and more.

In this regard, subject matter experts have prepared NCERT Solutions for Class 5 EVS Chapter 7 Experiment with Water to aid in the learning process. The solutions from  Vedantu  provide students with interesting insights into these themes, as well as suitable examples and thorough illustrations, for them to gain conceptual clarity.

4. What happened when Ayesha flattened dough and sank in water?

Ayesha stood there watching her mother roll the puri out and drop it into the hot oil. The puri slid to the bottom of the pan first, she noticed. The puri rose to the surface and began to float in the oil as it puffed up. One puri did not puff up or float as well as the rest. Ayesha took some dough and rolled it into a ball after seeing this. She pressed it flat and placed it in a bowl of water. Unfortunately, it sank to the bottom and remained there.

5. What happened when soap slipped in water?

Ayesha took a bath in the evening. “Ayesha, you have spilled the soap in the water again,” her mother said as she walked out. Remove it and place it in the soap case.” Ayesha was rushing and the soap case slipped from her grasp. It began to float on water. Ayesha placed the soap in the soap case with care. Even with the soap in it, she noticed that the case continued to float.

6. What happened when Ayesha put salt while boiling eggs?

Ammi had a fever when Ayesha woke up in the morning. Abbu poured some tea and went to Ammi's house to offer her medicine. “You boil eggs,” he told Ayesha. Add some salt to the water as well.” Ayesha poured some water into a pot. She accidentally added too much salt to the water. She noticed the eggs at the bottom of the pot rose a little and began to float!

7. What was the experiment with oil?

Ayesha and Hamid got into an altercation while experimenting. After swirling it, Ayesha noticed that the oil had dissolved in the water. Hamid was adamantly opposed. “Look, the tiny yellow oil drops are still visible in the water,” he added. Ayesha sprayed two drops of oil on her tiffin box's lid. She then added two drops of water and two drops of sugar solution to the mix. She swung the lid open. Some drips slid down fast, but others remained behind. Read more about this chapter on Vedantu. The solution PDFs, revision material, or any study material provided by Vedantu is free of cost.

8. Why do some objects float while others sink in water?

Objects float or sink based on their density relative to water. If an object is less dense than water, it floats; if it is denser, it sinks.

9. What happens when you heat water during an experiment? 

Heating water can speed up the dissolving process of certain substances, like sugar, and change the behaviour of floating objects due to temperature changes affecting density and surface tension.

10. What are the practical applications of learning about water experiments in daily life?

Understanding water properties helps in everyday tasks like cooking, cleaning, and even in scientific and environmental studies, helping in better decision-making and problem-solving.