Question 1
A good scientific model:
Agrees with observations.
Makes predictions consistent with experiment.
Explains the world around us.
All of the above.
None of the above.
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Question 2
Scientific theories only model things that are physical and can be seen, touched or felt with our own senses or with instrumentation.
True
False
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Question 3
The first model of the atom was:
The solar system model.
Quantum Mechanics.
The raisin pudding model.
All of the above.
None of the above.
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Question 4
People have always thought that all matter is made up of atoms.
True
False
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Question 5
Gases reacting in whole number ratios suggests that matter is made made of small individual units.
True
False
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Question 6
Motion of suspended particles in liquids suggests that the liquid is a collection of small individual units.
True
False
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Question 7
According to the raisin pudding model:
The nucleus is large and hard.
Electrons orbit around the nucleus like planets around the sun.
Electrons are randomly scattered throughout a positive liquid-like substance.
All of the above.
None of the above.
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Question 8
Electons have a negative charge.
True
False
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Question 9
Particles larger than electrons that are going fast should go through a raisin pudding atom without being deflected.
True
False
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Question 10
In the raisin pudding model the positive fluid-like substance has just the right amount of positive charge to balance out the total negative charge from the electrons.
True
False
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