Question

Ch.11: Matter and Water Date:

Class: Section:



Q1. Fill in the blanks:

1. Anything that has mass and occupies space is called ______________________.

2. ______________________ are the smallest particles of matter.

3. In ______________________ molecules are packed very close to each other.

4. Liquids do not have a fixed shape and they take the shape of the

______________________.

5. Water ______________________ faster when the air is dry.

6. When the dew freezes, it forms white crystals called ______________________.

7. The quality of being soluble is known as ______________________.

8. The best and safest method of water purification is ______________________.

9. Germs present in water can be killed by using chemicals like ______________________.

10.All matter is made of very small particles called ______________________.

11.The substances which dissolve completely in water are called ______________________

substances.

12.The solid which dissolves in a liquid is called ______________________.

13.The change of state of matter occurs because of ______________________ changes.

14.Gases fill all the available ______________________.

15.When the raindrops freeze and fall on the earth as small pellets of ice, they a__________




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Answer 1

Answer:

1. matter
2. atoms
3. solids
4. of its containe
5. evaporates
6. White Frost
7. solubility
8. boiling
9. chlorine
10. atoms
11. soluble
12. solutes

Answer 2

Answer:

3. solid

5.vapourisation