18 Questions
What is the term used to describe the mass per unit volume of a substance?
Density
Which of the following materials would generally have the lowest density?
Air
Why does ice float on water despite liquids generally having lower density than solids?
Ice is less dense than water
Which state of matter can completely fill the vessel in which it is kept?
Gas
Why can we easily move our hand through air but not through a solid block of wood?
Wood has lower compressibility than air
Which characteristic is NOT typically associated with gases?
Rigidity
Which characteristic distinguishes solids from liquids and gases?
Definite shape and volume
What property of matter allows a sponge to be compressed when air is expelled?
Compressibility
Which of the following is an example of matter in the liquid state?
Lemon water
What property of matter is demonstrated when the smell of hot sizzling food reaches you from several meters away?
Diffusion
Which type of matter shows both definite shape and volume?
Solid
Why can a diver cut through water in a swimming pool?
Due to the fluidity of water
What do modern day scientists base their classification of matter on?
Physical properties and chemical nature
According to ancient Indian philosophers, what were the five basic elements that made up all matter?
Air, earth, fire, sky, water
How did early Indian philosophers classify matter?
Into five basic elements
What were the two schools of thought regarding the nature of matter for a long time?
Continuous and made up of particles
Which aspect of matter will subsequent chapters focus on?
Chemical aspects
What characteristic do all things mentioned in the text have in common?
They occupy space and have mass
Explore the concept of matter and its presence in the universe. Learn about the different properties and characteristics of matter around us.
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