CBSE Class 6 Science Changes Around Us Worksheet Set A

Access the latest CBSE Class 6 Science Changes Around Us Worksheet Set A. We have provided free printable Class 6 Science worksheets in PDF format, specifically designed for Chapter 6 Changes Around Us. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

Chapter 6 Changes Around Us Science Practice Worksheet for Class 6

Students should use these Class 6 Science chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Chapter 6 Changes Around Us, to help you prepare for school tests and final examination. Regular practice of these Class 6 Science questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

Download Class 6 Science Chapter 6 Changes Around Us Worksheet PDF

 

changes around us
 
ACTIVITY- 1 : To understand reversible change. 
 
Question 1- Before preparing roti your mother makes a ball from dough. Can the ball be reversed into dough?
Answer- Yes.
 
Question 2- You make a toy boat from a piece of paper. Can you obtain back the paper in original form?
Answer- Yes.
 
Question 3- With what kind of fabric your dupatta is made up of?
Answer- Light and smooth cotton.
 
ACTIVITY- 2 : To understand irreversible change. 
 
Question 1- Observe the height of students of class 5th and of class 8th . Is the change in height a reversible or irreversible change?
Answer- Irreversible change.
 
Question 2- Is burning of candle reversible or irreversible change?
Answer- Irreversible change.
 
ACTIVITY- 3 : To understand physical change. 
 
Question 1- Which type of change is involved in tearing of paper?
Answer- Physical and irreversible change.
 
Question 2- Which type of change is involved in melting of ice to water?
Answer- Physical and reversible change.
 
ACTIVITY- 5 : To demonstrate chemical change.
 
Question 1- What type of change is observed in formation of cheese (paneer) from milk?
Answer- Chemical and Irreversible change.
 
Question 2- Name the change involved in formation of wax from burning of candles?
Answer- Physical and reversible change.
 
ACTIVITY- 6 : To study expansion and contraction. 
 
Question 1- Have you seen Bunsen Burner in the shop of goldsmith? What is its purpose there?
Answer- Yes, it is used to melt metals like gold and silver.
 
Question 2- When you put clinical thermometer in your mouth, why do Mercury in the thermometer rises and why it falls down when you take it out? (note that Mercury is a metal which is liquid at room temperature)
Answer- Due to high body temperature, Mercury in the thermometer expand so it rises. When we take thermometer out from the mouth, due to low room temperature Mercury contracts and falls down in the thermometer.
 
EXERCISE
 
Question 1- Fill In The Blanks.
 
a. A new substance is always formed in chemical change..
 
b. Melting of ice is physical and reversible change.
 
c. Burning of paper is chemical change.
 
d. On heating metals expand.
 
e. Change that is repeated after regular interval of time is known as periodic change.
 
 
Question 2- Write True Or False.
 
a. Converting milk into paneer is a reversible change. (False)
b. Rusting of iron is a slow change. (True)
c. Metals contract on heating. (False)
d. Melting of snow from hills is a natural change. (True)
e. Burning of cracker is a fast change. (True)
 
 
Question 3- Match The Column ‘A’ With Column ‘B’.
 
6th.sci.eng.Ch3.6.10 3
 
 
Question 4. Choose The Correct Answer.
 
(i). Cooking of food is which change:
a) Physical   b) Fast   c) Reversible   d) Irreversible (✓)
 
(ii). Which of the following change is non periodic?
a) Heart beat    b) Earthquake (✓)
c) Occurrence of day and night    d) Motion of pendulum
 
(iii). Which of the following expand on heating?
a) Wood   b) Paper   c) Metal (✓)   d) Cloth
 
(iv). Rusting of iron is which type of change?
a) Reversible   b) Slow (✓)   c) Periodic   d) Fast
 
(v). Growth in plants and animals is which type of change?
a) Slow (✓)   b) Reversible   c) Chemical   d) Periodic
 
 
Question 5- Very Short Answer Type Questions.
 
i) What are changes ?
Answer- Changes refers to the differences which occur in color, shape, size, or position of things around us.
 
(ii) Define slow and fast changes with examples.
Answer- Slow changes- Slow changes are those which takes more time to happen. For example: growing of tree, rusting of iron.
Fast changes- Fast changes are those that happen very fast. For example: burning of matchstick, bursting of crackers.
 
(iii) Give two examples of reversible change.
Answer- Making boat with a piece of paper and melting of ice.
 
(iv) Why iron rim is made slightly smaller than the wooden wheel?
Answer- Because on heating the metal rim expands and can easily lie on the wheel. When the rim cools, it
contracts and fits tightly onto the wheel.
 
(v) Give two examples of chemical change.
Answer- Converting milk into curd and burning of paper.
 
Question 6- Short Answer Type Questions.
 
(i) Give difference between periodic and non-periodic changes with examples.
Answer-
6th.sci.eng.Ch3.6.10 4
 
(ii) Give difference between reversible and irreversible changes with examples.
Answer-
6th.sci.eng.Ch3.6.10 5
 
(iii) Why a candle reduces in size on burning?
Answer- Because on burning candle some wax melts and some burns.
 
(iv) Give difference between physical and chemical changes with examples.
Answer-
6th.sci.eng.Ch3.6.10 6
 
 
Question 7- Long Answer Type Questions.
 
(i) What is expansion? Define thermal expansion. Explain with two examples.
Answer- Expansion- Expansion is the increase in the dimension of a body when subjected to high temperature and high pressure.
 
Thermal expansion- When expansion is due to increase in temperature, it is known as thermal expansion.
 
Examples-Mercury expands in thermometer on increasing temperature; A balloon expands on filling air in it.

 

Questions

            Very Short Answer

Q1)      What is expansion?

Q2)      How change may occur?

Q3)      What kind of change is the cooking of food?

Q4)      What is contraction?

Q5)      Cold milk to hot milk it is a reversible or Irreversible change?

           

            Short Answer

Q6)      Is changing of milk to curd a reversible change?

Q7)      What are the changes occur in the incense stick?

Q8)      Is melting ice cream a reversible change?

Q9)      Why there is a change in a balloon while blowing air into it?

Q10)    Give some examples of reversible and irreversible changes?

           

            Long Answer

Q11)    State the difference between reversible changes and irreversible changes?

Q12)    State the difference between melting point and boiling point?

Q13)    Difference between evaporation and boiling?

Q14)    What are the factors that affect the evaporation?

Q15)    Distinguish between physical change and chemical change?

 

Please click on below link to download CBSE Class 6 Science Changes Around Us Worksheet Set A

 

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Important Practice Resources for Class 6 Science

Chapter 6 Changes Around Us CBSE Class 6 Science Worksheet

Students can use the Chapter 6 Changes Around Us practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 6 Science. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.

NCERT Based Questions and Solutions for Chapter 6 Changes Around Us

Our expert team has used the official NCERT book for Class 6 Science to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions  which will help you to understand the best way to solve problems in Science. You can get all this study material for free on studiestoday.com.

Extra Practice for Science

To get the best results in Class 6, students should try the Science MCQ Test for this chapter. We have also provided printable assignments for Class 6 Science on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

Where can I download the latest PDF for CBSE Class 6 Science Changes Around Us Worksheet Set A?

You can download the teacher-verified PDF for CBSE Class 6 Science Changes Around Us Worksheet Set A from StudiesToday.com. These practice sheets for Class 6 Science are designed as per the latest CBSE academic session.

Are these Science Class 6 worksheets based on the 2026 competency-based pattern?

Yes, our CBSE Class 6 Science Changes Around Us Worksheet Set A includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 6.

Do you provide solved answers for CBSE Class 6 Science Changes Around Us Worksheet Set A?

Yes, we have provided detailed solutions for CBSE Class 6 Science Changes Around Us Worksheet Set A to help Class 6 and follow the official CBSE marking scheme.

How does solving CBSE Class 6 Science Changes Around Us Worksheet Set A help in exam preparation?

Daily practice with these Science worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 6 students get more marks in CBSE exams.

Is there any charge for the Class 6 Science practice test papers?

All our Class 6 Science practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 6 Science Changes Around Us Worksheet Set A without any registration.