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WorksheetsFirst Ideas about Matter
Total questions: 20
Worksheet time: 10mins
Thousands of years ago, it was thought matter was made of four elements. Which of the following is incorrect?
helium
water
earth
air
Whose ideas had more credibility because he was very influential at the time?
Newton
Aristotle
Democritus
Mendel
Who was the first to challenge the idea of matter being made of four elements?
Rutherford
Aristotle
Democritus
Bohr
Who was the first to talk about matter being made of small particles called atoms?
Aristotle
Rutherford
Bohr
Democritus
Who proposed this atomic model?
Bohr
Aristotle
Thompson
Rutherford
What enabled scientists to observe atoms for the first time?
compound light microscope
simple light microscope
scanning tunneling microscope
transmission electron microscope
Which scientist discovered the electron?
Bohr
Thompson
Rutherford
Aristotle
Whose model can resemble a chocolate chip cookie?
Thompson's
Rutherford's
Bohr's
Aristotle's
What did Rutherford's experiment contribute?
The discovery of a dense nucleus
The discovery of electrons
The discovery of an electron cloud
The discovery of quarks
Where is the electron most likely to be located?
in the nucleus
attached to neutrons
attached to protons
in the electron cloud
Which subatomic particle is made of quarks?
neutrons
electrons
protons and neutrons
all of the above
Who discovered the neutron?
Chadwick
Bohr
Rutherford
Thompson
Who proposed that electrons move in energy levels?
Chadwick
Bohr
Rutherford
Thompson
Which of the following worked with a cathode ray tube?
Aristotle
Democritus
Thompson
Rutherford
In the cathode ray tube experiment, the ray bent towards the ______.
anode
cathode
positive plate
negative plate
What was Rutherford expecting of his experiment?
That most of the alpha rays would move in a straight path through the gold foil.
That the alpha rays would bounce backwards, once they struck the gold foil.
That all the alpha rays would deflect, once they struck the gold foil.
That the alpha rays would cause the gold foil to conduct electricity.
Which scientist proposed the atomic theory?
Aristotle
Democritus
Dalton
Thompson
Dalton's ideas about matter favored ______ ideas.
Aristotle's
Democritus'
Bohr's
Chadwick's
Which subatomic particle has a positive charge?
electron
neutron
proton
quarks
Which subatomic particle has a negative charge?
electron
neutron
proton
quarks
