Questions
Jharkhand Board Science Solutions for Exercise - Questions
Simple step-by-step solutions to Questions questions of Matter in Our Surroundings from Science: Class IX. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Questions with Hints & Solutions
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.
Tabulate the differences in the characteristics of states of matter.
Comment upon the following: rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.
Give reason: A gas fills completely in the vessel in which it is kept.
Give reason:
A gas exerts pressure on the walls of the container.
Give reason:
A wooden table should be called a solid.
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.
Liquids generally have lower density as compared to solids. But you must have observed that ice floats on water. Find out why?
