CBSE Class 8 Science Particulate Nature of Matter (Class 8 NCERT New) Quiz 1

1. Particles of all matter are in constant random motion.

A True B False

2. These particles are held together by very strong forces of attraction

A Solid B Liquid C Gas D Plasma

3. Which statement about liquids is correct?

A They have a fixed shape and a fixed volume. B They have a fixed shape but not a fixed volume. C They have no fixed shape but they do have a fixed volume. D They have no fixed shape and no fixed volume.

4. The particles of solids ________________

A vibrate about their fixed postions B are able to slide over each other C move about freely at high speeds and in random direction D do not move

5. The particles of liquids ________________

A vibrate about their fixed postions B are able to slide over each other C move about freely at high speeds and in random direction D do not move

6. The particles of gases ________________

A vibrate about their fixed postions B are able to slide over each other C move about freely at high speeds and in random direction D do not move

7. Arrange the strength of the forces of attraction between the particles of solids, liquids and gases from the strongest to weakest

A (strongest) gases > liquids > solids (weakest) B (strongest) solids > liquids > gases (weakest) C (strongest) gases > solids > liquids (weakest) D (strongest) solids > gases > liquids (weakest)

8. These contain only one kind of atom.

A element B compound C mixture D water

9. This picture represents which of the following?

A element B compound C mixture of elements D mixture of compounds

10. Classify the picture with the correct label.

A Element B Compound C Mixture of Elements D Mixture of Compounds