Kinetic Theory
States of Matter
Fluids
Properties and Changes
Gases
100
A solid begins to liquefy at the _____.
What is Melting Point?
100
This state of matter has a definite volume and a definite shape.
What is Solid?
100
An object will _____ if its density is less than the density of the fluid it is placed in.
What is float?
100
Boiling water is an example of what type of change?
What is physical change?
100
Pressure is measured in units called _____.
What is pascals?
200
A liquid begins to change rapidly to a gas if it is heated to its _____.
What is boiling point?
200
This is the state of matter that lightning is.
What is Plasma?
200
_____ is force exerted per unit area.
What is Pressure?
200
This states that the mass of the reactants before a chemical change is equal to the mass of the products after the change has occurred.
What is the Law of Conservation of Mass?
200
____________ Law states that as pressure increases, volume decreases when temperature is held constant.
What is Boyle's?
300
The energy required to reach the melting point is called _____.
What is Heat of Fusion?
300
This state of matter has a definite volume but no definite shape.
What is liquid?
300
A liquid's resistance to flow is called _____.
What is Viscosity?
300
What are 3 examples of physical properties of a liquid?
What is color, taste, odor, viscosity, density, boiling point, freezing point, etc.?
300
When solving Charles's Law problems, what temperature scale must be used?
What is Kelvin?
400
Gas particles spread evenly throughout their container in the process of _____.
What is diffusion?
400
This state of matter has no definite volume and no definite shape.
What is gas?
400
The ability of a fluid to exert an upward force on an object immersed in it is called _____.
What is Buoyancy?
400
Breaking glass is an example of what type of change?
What is physical change?
400
_______________ Law states that as temperature increases, volume increases for a fixed pressure.
What is Charles's?
500
The energy required for a liquid to change to a gas is called _____.
What is Heat of Vaporization?
500
This state of matter is the most common state in the universe.
What is Plasma?
500
As the velocity of a fluid increases, the pressure exerted by the fluid _____.
What is decreases?
500
Burning wood is an example of what type of change?
What is chemical change?
500
To convert from Celsius to Kelvin what math operation must be done?
What is adding 273 (+273)?
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