States of Matter- Landon Hodge
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Liquids
Molecules are tightly packed but can still slide past each other. Have a definite volume but can change shape.
Solids
Solids molecules are in a fixed position and only vibrate. Solids have a definite shape and volume.
Gases
Molecules are spread apart and move freely. Doesn’t have a definite shape or volume.
Plasma
State of matter that in the beginning is a gas and is converted into an ion.
Energy
Being able to move or change matter or do work.
Thermal energy
The temperature of an object’s atoms
Evaporation
When a substance is changed from a liquid to a gas.
Sublimation
The change of a substance from a solid to gas. Or sometimes vice verse
Condensation
When something changes from gas to liquid.
Crystalline solid
A solid with atoms or molecules arranged in an orderly fashion.
Amorphous solid
Solid with atoms or molecules arranged in no particular order.
Surface tension
The force taking part on the particles on the surface of a liquid which makes the liquid form circular drops.
Kinetic energy
Energy that involves motion
Heat
Transfer of energy which makes temperature change
Endothermic change
A change when energy enters matter
Exothermic change
A change of matter when energy leaves the substance.
Fluid
A state of matter that is not a solid where the atoms or molecules can move around each other like in a gas or liquid
Buoyant force
The upward force acting on an object in a fluid.
Pressure
How much force is acting on per unit area of a surface
Archimedes principle
Principle that says that the buoyant force on an object is a force directed up that is the same as the weight of the volume of the fluid it has displaced.
Pascal
SI unit for pressure which is the same as 1 Newton of force of a meter squared.
Pascals principle
States that a fluid at equilibrium in a container puts out an equal amount of pressure to each direction.
Viscosity
resistance fluids have to flowing
Bernoulli’s principle
As speed of fluid increases pressure decreases