CLASS-IX

Worksheet-1

Approximate time: 10minutes

Instructions: 

Study the figure given below for inter conversion of states of matter carefully and answer the questions that follow:

Teachers’ Manual On Formative Assessment Matter In Our Surroundings - Chapter 1

Q.1. Name the process marked as a, b, c, d, e, f.

 a. _____________________________________________________________________

b. _____________________________________________________________________

c. _____________________________________________________________________

d. _____________________________________________________________________

e. _____________________________________________________________________

f. _____________________________________________________________________

Q.2. To which state of matter a liquid changes on increasing its temperature?

______________________________________________________________________________

Q.3. What change do we expect on increasing pressure and lowering temperature of a gas?

______________________________________________________________________________

Q.4. When a liquid is cooled, it may change into a new state of matter. Name that state.

______________________________________________________________________________

Q.5. What is sublimation?

______________________________________________________________________________