EASY
7th ICSE
IMPORTANT
Earn 100

Give reasons for: "solids have a high density".

Important Questions on Matter

EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 1 - Matter>EXERCISES>Q 8
Give reasons:
A liquid flows easily.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 1 - Matter>EXERCISES>Q 9
A gas can fill any space. Why?
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 1 - Matter>EXERCISES>Q 10
Why do liquids take the shape of the containing vessel?
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 1 - Matter>EXERCISES>Q 1
Compare the properties of solids, liquids, gases in tabular form.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 1 - Matter>EXERCISES>Q 2
Explain the terms used in interconversion of states of matter.
HARD
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 1 - Matter>EXERCISES>Q 3
Explain the properties of particles that determine the physical state of matter.
HARD
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 1 - Matter>WORKSHEET>Q 1

Solve the below given puzzle.

Question Image

Across:

3. _____ sublime on heating.

5. Conversion of solid directly into gas.

6. Reverse of freezing.

7. Anything that occupies space and has mass.

Down:

1. Fixed temperature at which a liquid boils.

2. Reverse of sublimation.

4. Force between particles of matter.