MCQ for Class 6 Science Chapter 6 Changes Around Us with Answers

1. Which of the following changes can be reversed?

Raw egg to boiled egg

Wet clothes to dry clothes

Bud to flower

Cow dung to biogas

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Question 1 of 10

2. Which of the following changes cannot be reversed?

Milk to paneer

Cold milk to hot milk

Yarn to knitted sweater

Wet clothes to dry clothes

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Question 2 of 10

3. Metal rim is fixed to the wooden cart wheel by

heating metal rim

heating wooden wheel

cooling metal rim

cooling wooden wheel

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Question 3 of 10

4. On heating metal rim

expands

contracts

depends how much it is heated

depends as the type of meted

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Question 4 of 10

5. Which one of the steps while burning a candle is not reversible?

Melting of solid wax

liquid wax changes into vapours

Wax vapour bums into flame

All of these

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Question 5 of 10

6. Which is a way to make a change happen?

Heating a substance

Cooling a substance

Mixing a substance with another substance

All of these

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Question 6 of 10

7. Rusting of iron is an example of

slow change

fast change

reversible change

physical change

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Question 7 of 10

8. Conversion of a solid to liquid by heating is called

evaporation

melting

condensation

freezing

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Question 8 of 10

9. Which of the following is not a man-made change?

Change of day and night

Burning of fuels

Drying of clothes

Tearing of paper

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Question 9 of 10

10. Which of the following is a chemical change?

Evaporation of water

Burning of fuels

Moving of a wheel

Breaking of a brick

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Question 10 of 10