12 Questions
According to early Indian philosophers, what were the five basic elements of matter?
Air, earth, fire, sky, and water
What is the term used by scientists to describe everything in the universe?
Matter
What do all things in the surroundings mentioned have according to the text?
Mass and volume
Which belief prevailed for a long time regarding the nature of matter?
Matter is continuous like a block of wood
What did ancient Greek philosophers classify matter based on?
Both physical and chemical properties
In what types of classification will chemical aspects of matter be taken up according to the text?
Based on physical properties
What is the purpose of the activity described in the text?
To decide whether matter is continuous or particulate
What happens to the particles of salt when it is dissolved in water?
They spread throughout the water
Why do we need to use the idea that matter is made up of particles to answer questions about the activity?
To explain how substances mix at a molecular level
What happens to the particles of salt when they dissolve in water according to Figure 1.1?
They spread evenly throughout the water
How do the particles of salt interact with the particles of water when dissolved?
They mix together evenly
What unit is commonly used to measure volume according to the text?
Litre (L)
Explore the fundamental concept of matter in our surroundings and its properties like mass and space occupation. Learn about the various forms of matter present in the universe and their significance in daily life.
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