3985145
Description
Quiz by aidan.rogers, updated more than 1 year ago
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Created by aidan.rogers
almost 9 years ago
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Question 1
Question
Which of these are the two assumptions of the kinetic theory?
Answer
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Matter is made up of molecules and the molecules are small.
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Matter is made up of particles and the particles tend to be small.
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Matter is made up of particles and the particles tend to move around.
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Matter is made up of molecules and the molecules tend to move around.
Question 2
Question
Tick the 3 properties of a gas.
Answer
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The separation between molecules is large.
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They have very small electric potential energy.
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They have a large kinetic energy.
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They cause pressure in a container by colliding with the walls.
Question 3
Question
Brownian motion is the [blank_start]random[blank_end] and erratic motion of molecules in the air. It provides the evidence for the presence of [blank_start]gases[blank_end] in the air which are too [blank_start]small[blank_end] to see. Experiments using smoke grains allows us to deduce that gases in the air must be moving much [blank_start]faster[blank_end] than the smoke grains.
Answer
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random
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gases
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small
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faster
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