1. Fill in the blanks:
i. Everything in this universe is made up of material which is called __________________.
ii. Matter is anything which occupies ________________and _________________.
iii. ___________________ of matter are continuously moving.
iv. The force of attraction between particle is called ________________ force of attraction.
v. _________________ is a surface phenomenon in which a liquid change into vapours.
2. Short answer type question:
i. What is matter?
ii. In what ways all substances around us are alike?
iii. Why are light and sound not considered as matter?
iv. “Gasses exert pressure on the walls of the container.” Give reason
3. Long answer type question:
i. Differentiate between properties or characteristics of three states of matter.
|
S.no. |
Properties |
Solids |
Liquids |
Gases |
|
i |
Rigidity and compressibility |
|
|
|
|
ii |
Shape
|
|
|
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iii |
Volume
|
|
|
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|
iv |
Fluidity
|
|
|
|
|
V |
Storage
|
|
|
|
|
Vi |
Intermolecular force |
|
|
|
|
Vii |
Space
|
|
|
|
|
viii |
Diffusion
|
|
|
|
ii. How would you show that the three state off matter are interchangeable?
iii. List three characteristics of particles of matter. Describe one example to illustrate it.
iv. What do you mean by diffusion? Explain with example.
