States of Matter (Chapter 3)

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What are ice, water, and steam examples of?
States of Matter
What stays the same in solids?
Shape and Volume
Crystalline and Amorphous are?
Two kinds of solids.
What have a fixed volume but not a fixed shape?
Liquids
What is surface tension?
Force acting on particles at the surface of a liquid.
What is a liquid's resistance to flow called?
Viscosity
What particles are always far apart?
Gas
What is temperature?
A measure of the speed of molecules.
What is volume?
The amount of space matter takes up.
What is pressure?
The amount of force per unit area.
Volume and pressure of a gas are inversely related if the temperature stays the same is?
Boyle's Law
The volume of a gas is directly related to its temperature if the pressure is constant is?
Charles's Law
What is freezing?
The change of state from a liquid to a solid.
What is melting?
The change of state from a solid to a liquid.
What is evaporation?
The change of state from a liquid to a gas.
What is condensation?
The change of state from a gas to a liquid.
What is an endothermic change?
A change of state in which energy is gained by something.
What is an exothermic change?
A change of state in which energy is removed from a substance.
The melting point of a substance is the same as its?
Freezing Point
The particles break away from each other during?
Evaporation
When water boils, what occurs?
A change of state
What happens to the boiling point of a substance when you go higher above sea level?
The boiling point gets lower.
What is sublimation?
A change of state from a solid to a gas.
Sublimation is what kind of change?
An endothermic change
What happens when the temperature of a substance changes?
The speed of the particles changes.
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