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Density, mass, volume
Ancient Philosophers
Atoms
Modern Scientists - 1
Modern Scientists - 2
100
Between a block of wood and water, this substance is more dense.
What is water?
100
Democritus came up with the idea of "atomos" which we now call the...
What is atom
100
An atom can be defined as...
What is the smallest substance that makes up everything?
100
John Dalton lived in this era.
What is the 1800s
100
This scientist's name rhymes with "Mutherford" and discovered the proton
Who is Rutherford?
200
This is the formula for density
D = mass / volume
200
This was the first man to discover the atom
Who is Democritus?
200
What are the three main parts of an atom?
What is protons, neutrons, electrons?
200
According to Dalton, different types of atoms are unique and are called these.
What are elements?
200
Known for the plum pudding model.
Who is Thomson?
300
The unit for mass is...
what is grams
300
Democritus's main competitor for the idea of the atom was named...
Who is Aristotle?
300
The center of an atom is called the...
What is the nucleus?
300
Who was the first person in the 1800's to talk about the idea of an atom?
Who is Dalton?
300
This man came of with the idea of Orbitals for electrons.
Who is Bohr?
400
This is the difference between mass and weight
What is gravity?
400
Who won between Aristotle and Democritus?
Who is Aristotle?
400
This is the smallest main part of an atom. The charge of this particle is...
What is an electron? What is negative?
400
This scientist used the cathode ray tube experiment to discover the electron in 1897.
Who is J.J. Thomson?
400
This man discovered the neutron
Who is James Chadwick?
500
An object has a mass of 40 grams and a volume of 4 liters. Calculate the density.
What is 8 grams/liters.
500
What were the five substances that Aristotle said made up all matter?
What is earth, air, water, fire, aether?
500
This was the last main part of an atom to be discovered.
What is the neutron?
500
This man came up with the idea of the electron cloud.
Who is Schrodinger?
500
Known for alpha particles and gold foil
Who is Rutherford?