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Question
Oil mixes with water.
Options
True
False
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Solution
This statement is False.
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Very Short Answer Type Question:
Name two objects which are made from opaque materials.
We cannot compress, cut or bend the rough materials easily.
Look at the pictures and identify the materials by which they are made of:
(paper, clay, glass, wood, plastic, metal rubber, wax
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| ____________ | ____________ | ____________ | ___________ | _____________ |
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| ____________ | ____________ | ____________ | ____________ | ____________ |
Test the flexibility.
Give one plastic scale and a wooden scale to the students. Ask them to bend. Tabulate their observation (bends, does not bend).
| Plastic Scale | Wooden Scale |
| ______ | ______ |
Name five objects which can be made from wood.
Stone is transparent, while glass is opaque.
A notebook has lustre while an eraser does not.
Smooth materials do not have ups and downs.
Pick one material from the following which is completely soluble in water.
Match the objects given in Column I with the materials given in Column II.
| COLUMN I | COLUMN II | ||
| (a) | Surgical instruments | (i) | Plastic |
| (b) | Newspaper | (ii) | Animal product |
| (c) | Electrical switches | (iii) | Steel |
| (d) | Wool | (iv) | Plant product |
