Changes Around Us Book Back Answers| Unit 3 | Class 6 | Term 2 | Chemistry | Science | Samacheer
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Changes Around Us Book Back Questions & Answers, Exercises, Solutions, Tests, Quizzes, Videos and Podcasts for Class 6 | Unit 3 | Term 2 | Chemistry | Science | Samacheer Kalvi – English Medium
6th Standard Samacheer Kalvi English Medium New Book Back Questions & Answers: https://www.thelearning.app/samacheer-kalvi-english-medium/class-6/science/changes-around-us-3/exercises
Podcasts: https://www.thelearning.app/samacheer-kalvi-english-medium/class-6/science/changes-around-us-3/videos
Tests & Quizzes: https://www.thelearning.app/samacheer-kalvi-english-medium/class-6/science/changes-around-us-3/tests
Flash Cards: https://www.thelearning.app/samacheer-kalvi-english-medium/class-6/science/changes-around-us-3/flashcards
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00:00 Introduction
00:15 Choose the correct answer
03:01 Fill in the blanks
04:22 True or false
05:53 Analogy
06:53 Circle the odd one out. Give reason for your choice
Questions answered in this video –
1. When ice melts to form water, change occurs in its
2. Drying of wet clothes in air is an example of
3. Formation of curd from milk is
4. Out of the following an example of a desirable change is
5. Air pollution leading to Acid rain is a
6. Magnet attracts iron needle. This is_______change. (a reversible / an irreversible)
7. Boiling of egg results in___________ change. (a reversible / an irreversible)
8. Changes that are harmful to us are__________ . (desirable / undesirable)
9. Plants convert Carbon-di-oxide and water into starch. This is an example of__________change. (natural / human made)
10. Bursting of fire crackers is a ————— change whereas germination of seeds is a__________change. (slow / fast)
11. Growing of teeth in an infant is slow change.
12. Burning of match stick is a reversible change.
13. Change of New moon to Full moon is human made.
14. Digestion of food is a physical change.
15. In a solution of salt in water, water is the solute
16. Curdling of milk : irreversible change :: Formation of clouds : ________change
17. Photosynthesis : __________ change :: burning of coal : Human made change
18. Dissolving of glucose : reversible change :: Digestion of food:___________ change
19. Cooking of food : desirable change :: decaying of food : _________change
20. Burning of matchstick :_______ change: Rotation of the Earth : Slow change
21. Growth of a child, Blinking of eye, Rusting, Germination of a seed
22. Glowing of a bulb, lighting of a Candle, breaking of a coffee mug, curdling of milk
23. Rotting of an egg, condensation of water vapour, trimming of hair, Ripening of fruit
24. Inflating a balloon, popping a balloon, fading of wall paint, burning of kerosene