Which of the following are matter?
Chair, air, love, smell, hate, almonds, thought, cold drinks, lemon water, smell of perfume.

Important Questions on Matter in Our Surroundings

HARD

9th CBSE

IMPORTANT

SCIENCE TEXTBOOK FOR CLASS IX>Chapter 1 - Matter in Our Surroundings>Questions>Q 2

Give reason for the following observation:
The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.

HARD

9th CBSE

IMPORTANT

SCIENCE TEXTBOOK FOR CLASS IX>Chapter 1 - Matter in Our Surroundings>Questions>Q 3

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

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