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Class 6 Science Practice Test: Changes Around Us
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Class 6 Science Practice Test: Changes Around Us
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25 Questions

1. Which of the following changes can be reversed?
2. Which of these changes cannot be reversed?
3. Which is not a sign of reversible change?
4. Which of these changes can be reversed?
5. Which is a way to make change happen?
6. Rusting of iron is an example of
7. The meaning of reverse is called
8. What are the changes that can be reversed called?
9. Force can cause change in the
10. Which of these is not an irreversible change?
11. Which one of the following factors is involved in a change?
12. The effects of the changes are
13. A process in which an object becomes smaller or shrinks is called
14. When a heated metal is cooled it
15. The melting of gold is an example of:
16. Melting of wax is
17. The change of day and night is caused by
18. Which of these is a physical change?
19. Temperature at which a solid starts melting is called its
20. What are the substances formed in a reaction called?
21. Which type of change is melting of wax?
22. A process in which liquid changes into vapour is called
23. The change in which chemical properties of a substance change is called
24. What are the changes in which a new substance is formed called?
25. Which of the following material do not expands on heating?