science
Grade-9
Easy

Question

Who believed all substances like air, water, earth, and fire are small amounts of matter?

  1. Empedocles
  2. Leucippus
  3. Democritus
  4. Aristotle

hintHint:

The earlier proposed theory of the composition of elements was proposed by a Greek philosopher.

The correct answer is: Aristotle


    • Aristotle believed that all substances like air, water, earth, and fire are small amounts of matter. 
    • Earlier it was believed that there are four elements in this universe and on this planet, air, water, earth, and fire. But later, in the fourth century, BC Greek philosophers proposed that the elements were not air, earth, water, and fire. Instead, they are small amounts of matter. 
    • According to him, these elements were known as "simple bodies" that have properties of hot, cold, dry, and moist. These substances then combine together to form matter. 

    Aristotle did not believe in Dalton's atomic theory.

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