CBSE Class 8 Science Particulate Nature of Matter (Class 8 NCERT New) Quiz 5

1. Which of the following conclusions is supported by the above diagrams?

A Gas particles have less energy than solid. B Solid particles are more compact than liquid. C Liquids have a definite shape and definite volume. D Only solid particles can scatter in a medium.

2. Which of the following characteristics is NOT consistent with the concept of the nature of matter?

A The particles of matter cannot diffuse. B Particles of matter are moving all the time. C The particles of matter attract each other. D These particles have spaces between them.

3. Which properties characterize a gas?

A Definite shape; definite volume B Definite shape; no definite volume C No definite shape; no definite volume D No definite shape; definite volume

4. Based on the diagram, why can a liquid be poured and assume the shape of its container?

A The particles can move freely to all parts of the container. B Particles have higher average kinetic energy but weak intermolecular forces. C The particles are still close together, but they can move about freely and change positions. D The particles don’t move freely because they are held together by strong forces of attraction.

5. A flower-shaped cake is made by pouring it into a flower-shaped mold. Which property of matter is illustrated by this process?

A A liquid has definite shape and volume. B A solid has a definite shape but not a definite volume. C A solid takes the shape of the container into which it is placed. D A liquid has no definite shape; it takes the shape of the container.

6. 1. The three layers of the earth are an analogy to the three phases of matter: the lithosphere is the solid layer, hydrosphere is the liquid layer and the atmosphere is the gaseous layer. Which of the following provides nutrients for plants?

A oxygen B soil C rocks D all of the above

7. Which of the following substances is NOT a characteristics of solid particles?

A closely packed together B freely to move C fixed position D none of the above

8. Which of the following properties of matter is NOT observable?

A Rigidity B Compressibility C Fluidity D None of the above

9. Matter takes up space and has mass. We can experience matter around us using our 5 senses.

A TRUE B FALSE

10. The particles found in a block of pure gold have smaller spaces in between compared to the gold particles when melted.

A TRUE B FALSE