12 Questions
What is the process called when particles of two different types of matter intermix on their own?
Diffusion
What happens to the kinetic energy of particles as the temperature rises?
It increases
What do you observe just above the solid crystal in the glass containing hot water and cold water without stirring the solution?
A colored layer forms just above the crystal
How many hours or days does it take for the color of ink to spread evenly throughout the water?
3 days
What does the experiment with potassium permanganate demonstrate?
The smell of the potassium permanganate can be detected even on repeated dilution
What does the observation with ink and honey dropped into water demonstrate?
Particles of one type of matter can get into the spaces between particles of another type
What is the purpose of using Dettol in the experiment?
To test if crystals of Dettol can color a large volume of water
What conclusion can be drawn about the particles of matter based on the activities described?
Particles of matter are very small and keep dividing into smaller particles
According to early Indian philosophers, what were the five basic elements of matter?
Wind, Earth, Fire, Sky, Water
What is the term scientists have given to everything in the universe?
Material
What was the belief of one school of thought regarding the nature of matter?
Matter is continuous like a block of wood
In what subsequent chapters will the chemical aspects of matter be taken up?
Not specified in subsequent chapters
Test your understanding of the concept of matter and its presence in the surroundings. Explore the properties and characteristics of matter in this quiz.
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