CBSE Class 6 Science Changes Around Us Worksheet Set A

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Read and download free pdf of CBSE Class 6 Science Changes Around Us Worksheet Set A. Download printable Science Class 6 Worksheets in pdf format, CBSE Class 6 Science Chapter 6 Changes Around Us Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Science Class 6 Assignments and practice them daily to get better marks in tests and exams for Class 6. Free chapter wise worksheets with answers have been designed by Class 6 teachers as per latest examination pattern

Chapter 6 Changes Around Us Science Worksheet for Class 6

Class 6 Science students should refer to the following printable worksheet in Pdf in Class 6. This test paper with questions and solutions for Class 6 Science will be very useful for tests and exams and help you to score better marks

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


Chapter 01 Food Where Does It Come From
CBSE Class 6 Science Food Where Does it Come From Worksheet
CBSE Class 6 Science Food Where Does It Come From Worksheet Set A
Chapter 02 Components of Food
CBSE Class 6 Science Components of Food Worksheet Set A
CBSE Class 6 Science Components of Food Worksheet Set A
CBSE Class 6 Science Components of Food Worksheet Set B
CBSE Class 6 Science Components of Food Worksheet Set B
Chapter 03 Fibre to Fabric
CBSE Class 6 Science Fibre to Fabric Worksheet Set A
CBSE Class 6 Science Fibre To Fabric Worksheet Set B
Chapter 04 Sorting Materials Into Groups
CBSE Class 6 Science Sorting Materials into Groups Worksheet Set A
CBSE Class 6 Science Sorting of Materials Into Groups Worksheet Set B
CBSE Class 6 Science Sorting of Materials Into Groups Worksheet Set C
Chapter 05 Separation of Substances
CBSE Class 6 Science Separation of Substances Worksheet Set A
CBSE Class 6 Science Separation of Substances Worksheet Set A
CBSE Class 6 Science Separation of Substances Worksheet Set A
CBSE Class 6 Science Separation of Substances Worksheet Set B
CBSE Class 6 Science Separation of Substances Worksheet Set B
CBSE Class 6 Science Separation of Substances Worksheet Set B
Chapter 06 Changes Around Us
CBSE Class 6 Science Changes around us Worksheet Set A
CBSE Class 6 Science Changes Around Us Worksheet Set A
CBSE Class 6 Science Changes around us Worksheet Set B
Chapter 07 Getting to Know Plants
CBSE Class 6 Science Getting To Know Plants Worksheet Set A
CBSE Class 6 Science Getting To Know Plants Worksheet Set B
CBSE Class 6 Science Getting to Know Plants Worksheet Set C
Chapter 08 Body Movements
CBSE Class 6 Science Body Movements Worksheet Set A
CBSE Class 6 Science Body Movements Worksheet Set A
CBSE Class 6 Science Body Movements Worksheet Set B
Chapter 09 The Living Organisms and Their Surroundings
CBSE Class 6 Science Living Organisms And Their Worksheet
CBSE Class 6 Science The Living Organisms Characteristics and Habitats Worksheet Set A
CBSE Class 6 Science The Living Organisms Characteristics and Habitats Worksheet Set B
CBSE Class 6 Science The Living Organisms and Their Surroundings Worksheet
Chapter 10 Motion and Measurement of Distances
CBSE Class 6 Science Motion and Measurement of Distances Worksheet Set A
CBSE Class 6 Science Motion And Measurement of Distances Worksheet Set B
CBSE Class 6 Science Motion And Measurement of Distances Worksheet Set C
Chapter 11 Light Shadows and Reflection
CBSE Class 6 Science Light Shadows and Reflections Worksheet Set A
CBSE Class 6 Science Light Shadows and Reflections Worksheet Set B
CBSE Class 6 Science Light Shadows and Reflections Worksheet Set C
Chapter 12 Electricity and Circuits
CBSE Class 6 Science Electricity and Circuits Worksheet Set A
CBSE Class 6 Science Electricity And Circuits Worksheet Set B
CBSE Class 6 Science Electricity And Circuits Worksheet Set C
Chapter 13 Fun with Magnets
CBSE Class 6 Science Fun With Magnets Worksheet Set A
CBSE Class 6 Science Fun With Magnets Worksheet Set B
Chapter 14 Water
CBSE Class 6 Science Water Worksheet Set A
CBSE Class 6 Science Water Worksheet Set A
CBSE Class 6 Science Water Worksheet Set B
Chapter 15 Air Around Us
CBSE Class 6 Science Air Around Us Worksheet
CBSE Class 6 Science Air Around Us Worksheet Set A
Chapter 16 Garbage In Garbage Out
CBSE Class 6 Science Garbage In Garbage Out Worksheet Set A
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CBSE Class 6 Science Worksheet Set N
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CBSE Class 6 Science Worksheet Set A
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CBSE Class 6 Science Worksheet Set F
CBSE Class 6 Science Worksheet Set F
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CBSE Class 6 Science Chapter 6 Changes Around Us Worksheet

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Chapter 6 Changes Around Us worksheet Science CBSE Class 6

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Chapter 6 Changes Around Us CBSE Class 6 Science Worksheet

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