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WorksheetsQ 1.1 The History of The Atom
Total questions: 10
Worksheet time: 11mins
The fire had different uses many, many years ago. Which of the following are benefits that fire had back in time? Select all that apply.
Protection against wild animals
Food cooking
Heat source on cold nights
Pottery and metallurgy
What connection did religious beliefs have on describing natural phenomena?
Natural phenomena were controlled by demons, spirits, and gods.
Spirits, demons, and gods could not influence natural phenomena.
Pleasing the spirits, demons, and gods caused catastrophic natural disasters.
Natural phenomena were disconnected from spiritual beings.
Who thought all matter is made up of earth, wind, water, and fire, which determine matter’s properties and behavior?
Anaxagoras
Empedocles
Thomson
Dalton
Rutherford experimented with a gold foil and a beam of alpha particles, which led him to propose the existence of the ___.
electron
neutron
nucleus
atom
The modern atomic model, proposed initially by Bohr and then strengthened by Heisenberg and Schrödinger, is characterized by all the following, except ___.
electrons moving at different distances from the nucleus
the wavy nature of the orbitals
the existence of an electron cloud
the nucleus only containing protons
When Thomson discovered the electron, using a cathode-ray tube, he compared the atom to which of the following?
Democritus and Leucippus adopted a word to describe particles they defined as indivisible. What word did they use?
corpuscles
atomos
ether
orbitals
If Anaxagoras were looking at a grain of sand, he would say its tiny seeds contained water, metal, cotton, paper, and even black holes! –but mostly ___.
water
fire
sand
air
Contrary to the scientific method developed recently, a group flourished in Greece and spent its time thinking about the natural world without proving its ideas. They were known as ___.
philosophers
doctors
scientists
prehistoric thinkers
Niels Bohr proposed his planetary model after analyzing Rutherford's and considering it was not a sustainable theory. He suggested that the ___ were orbiting the nucleus just like the planets orbit the sun.
electrons
nucleons
neutrons
protons
