Check the below NCERT MCQ Questions for Class 6 Science Chapter 6 Changes Around Us with Answers Pdf free download. MCQ Questions for Class 6 Science with Answers were prepared based on the latest exam pattern. We have provided Changes Around Us Class 6 Science MCQs Questions with Answers to help students understand the concept very well.
You can refer to NCERT Solutions for Class 6 Science Chapter 6 Changes Around Us to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.
Class 6 Science Chapter 6 MCQ With Answers
Science Class 6 Chapter 6 MCQs On Changes Around Us
Choose the correct option in the following questions:
Changes Around Us Class 6 MCQ Question 1.
Which of the following changes can be reversed?
(a) Raw egg to boiled egg
(b) Wet clothes to dry clothes
(c) Bud to flower
(d) Cow dung to biogas
Answer
Answer: (b) Wet clothes to dry clothes
Explanation:
All other changes are irreversible.
Class 6 Science Chapter 6 MCQ Question 2.
Which of the following changes cannot be reversed?
(a) Milk to paneer
(b) Cold milk to hot milk
(c) Yam to knitted sweater
(d) Wet clothes to dry clothes
Answer
Answer: (a) Milk to paneer
Explanation:
Paneer is a new substance and cannot be converted into milk.
MCQ Questions For Class 6 Science Chapter 6 Question 3.
Metal rim is fixed to the wooden cart wheel by
(a) heating metal rim
(b) heating wooden wheel
(c) cooling metal rim
(d) cooling wooden wheel
Answer
Answer: (a) heating metal rim
Explanation:
On heating metal ring expands and fits around the wheel.
Class 6 Science Chapter 6 MCQ With Answers Question 4.
On heating metal rim
(a) expands
(b) contracts
(c) depends how much it is heated
(d) depends as the type of meted
Answer
Answer: (a) expands
Explanation:
All the metals expand on heating.
Ncert Class 6 Science Chapter 6 MCQ Question 5.
Which one of the steps while burning a candle is not reversible?
(a) Melting of solid wax
(b) liquid wax changes into vapours
(c) Wax vapour bums into flame
(d) All of these
Answer
Answer: (c) Wax vapour bums into flame
Explanation:
Burning of vapours is an irreversible process in which combustion of vapours occurs.
Class 6 Changes Around Us MCQ Question 6.
Which is a way to make a change happen?
(a) Heating a substance
(b) Cooling a substance
(c) Mixing a substance with another substance
(d) All of these
Answer
Answer: (d) All of these
Explanation:
A change can be made to happen by any of these means.
Changes Around Us Class 6 MCQ With Answers Question 7.
Rusting of iron is an example of
(a) slow change
(b) fast change
(c) reversible change
(d) physical change
Answer
Answer: (a)
Explanation:
Rusting of iron is a slow change.
MCQ On Changes Around Us Class 6 Question 8.
Conversion of a solid to liquid by heating is called
(a) evaporation
(b) melting
(c) condensation
(d) freezing
Answer
Answer: (b) melting
Explanation:
Solid changes into liquid by heating. This is called melting.
Class 6 Science Ch 6 MCQ Question 9.
Which of the following is not a man-made change?
(a) Change of day and night
(b) Burning of fuels
(c) Drying of clothes
(d) Tearing of paper
Answer
Answer: (a) Change of day and night
Explanation:
Change of day and night is a natural change.
MCQ On Changes Around Us Question 10.
Which of the following is a chemical change?
(a) Evaporation of water
(b) Burning of fuels
(c) Moving of a wheel
(d) Breaking of a brick
Answer
Answer: (b) Burning of fuels
Explanation:
Burning of fuels is an example of chemical change.
Match the following items given in Column A with that in Column B:
| Column A | Column B |
| (a) Irreversible change (b) Reversible change (c) Sawing of a piece of wood (d) Ripening of mango (e) Melting of wax (f) Formation of a sugar solution |
(i) Needs mixing of two substances (ii) Needs heating (iii) Chemical change (iv) A new substance is formed (v) Physical change (vi) No new substance is formed |
Answer
Answer:
| Column A | Column B |
| (a) Irreversible change (b) Reversible change (c) Sawing of a piece of wood (d) Ripening of mango (e) Melting of wax (f) Formation of a sugar solution |
(vi) No new substance is formed (iv) A new substance is formed (v) Physical change (i) Needs mixing of two substances (ii) Needs heating (iii) Chemical change |
Fill in the blanks with appropriate words:
1. Changes that lead to the formation of new substances are called ……………… .
Answer
Answer: chemical
2. If the removal of the cause of change leads to regain the original situation, then the change is known as ………….. .
Answer
Answer: reversible change
3. Burning of wood in a chulha is a tan change.
Answer
Answer: irreversible
4. Melting of candle wax is a/an ……………………. change.
Answer
Answer: reversible
5. Heat is a form of …………. .
Answer
Answer: energy
6. On cooling, liquid …………… into solid.
Answer
Answer: freezes
7. Conversion of a liquid to vapour by heating is called ………….. .
Answer
Answer: evaporation
8. The changes which are controlled by man are called ………….. .
Answer
Answer: man-made changes
9. ………… is a reversible change.
Answer
Answer: Glowing of an electric bulb
10. No new substance is formed in ………. .
Answer
Answer: physical changes
State whether the statements given below are True or False:
1. Cooking of rice is a physical change.
Answer
Answer: False
2. Breaking of a China (porcelain) dish is a chemical change.
Answer
Answer: False
3. Rusting of iron is an irreversible change.
Answer
Answer: True
4. Eruption of a volcano is a reversible change.
Answer
Answer: False
5. Formation of clouds is an irreversible change.
Answer
Answer: False
6. Conversion of a solid to liquid by heating is called fusion.
Answer
Answer: True
7. Change of seasons is a natural change.
Answer
Answer: True
8. Pressure is equal to the force per unit second.
Answer
Answer: False
We hope the given NCERT MCQ Questions for Class 6 Science Chapter 6 Changes Around Us with Answers Pdf free download will help you. If you have any queries regarding Changes Around Us CBSE Class 6 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.
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