HARD
9th CBSE
IMPORTANT
Earn 100

A diver is able to cut through water in a swimming pool. Which property of matter does this observation show?

Important Questions on Matter in Our Surroundings

MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 1 - Matter in Our Surroundings>Questions>Q 4
What are the characteristics of the particles of matter?
MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 1 - Matter in Our Surroundings>Questions>Q 1
The mass per unit volume of a substance is called density (density = mass/volume). Arrange the following in order of increasing density - air, exhaust from chimneys, honey, water, chalk, cotton and iron.
MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 1 - Matter in Our Surroundings>Questions>Q 2
Tabulate the differences in the characteristics of states of matter.
HARD
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 1 - Matter in Our Surroundings>Questions>Q 2
Comment upon the following: rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.
MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 1 - Matter in Our Surroundings>Questions>Q 3

Give reason: A gas fills completely in the vessel in which it is kept.

HARD
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 1 - Matter in Our Surroundings>Questions>Q 3

Give reason:

A gas exerts pressure on the walls of the container.

MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 1 - Matter in Our Surroundings>Questions>Q 3
Give reason:
A wooden table should be called a solid.
MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 1 - Matter in Our Surroundings>Questions>Q 3

Give reason:

We can easily move our hand in air, but to do the same through a solid block of wood, we need a karate expert.