3.1 Early ideas about matter

What did many Greek philosophers think matter was composed of?

• Earth, air, water, and fire

• Atoms

• Molecules

• Energy

Curiosity sparked the interest of scholarly.

• True

• False

Who formulated explanations based on their own life experiences?

• Chemists

• Thinkers known as philosophers

• Astronomers

• Scientists

Who was the first to propose that matter was not infinitely divisible?

• The British chemist Dalton

• The Greek philosopher Aristotle

• The Greek philosopher Democritus

• The German physicist Albert Einstein

What was Democritus's view on the divisibility of matter?

• Matter is infinitely divisible

• Matter is composed of atoms

• Matter cannot be divided

• Matter is made of four elements

What did Aristotle believe about empty space?

• It cannot exist

• It is filled with atoms

• It is a vacuum

• It is essential for matter

What did John Dalton contribute to atomic theory?

• Matter is composed of atoms

• Atoms can be divided

• Atoms are not conserved

• Atoms are made of energy

What does the law of conservation of mass state?

• Mass is conserved in any process

• Mass can be created

• Mass can be destroyed

• Mass is irrelevant in reactions

One of Democritus ideas about matter.

• Matter is composed of atoms, which move through empty space.

• Empty space cannot exist.

• Matter is made of earth, fire, and water.

• In a chemical reaction, atoms are separated, combined, or rearranged.

One of Aristotle ideas about matter.

• Matter is composed of atoms, which move through empty space.

• Empty space cannot exist.

• Matter is made of earth, fire, and water.

• In a chemical reaction, atoms are separated, combined, or rearranged.