chapter 3 notecards Tadym Mason Flashcards
(26 cards)
What is a liquid?
An object which particles are closely packed, but can still slide past each other
What is a solid?
An object which particles have a fixed position
What is a gas?
Particles move freely
What is plasma?
A state of matter which starts as a gas and becomes ionized
What is energy?
The captivity to do work
What is thermal energy?
The KE of a substances atoms
What is evaporation?
The process a substance goes through from liquid to gas
What is sublimation?
The process where a solid goes straight to a gas
What is condensation?
The change of a substance from gas to liquid
What is crystalline solid?
Have an orderly arrangement of atoms and molecules
What is amorphous solid?
Contains atoms and molecules in no specific order
What is surface tension?
The force acting on the particles at the surface that causes a liquid to form spherical drops
What is kinetic energy?
The energy of motion
What is heat?
Causes temperatures to change, changing states of matter
What is endothermic change?
A solid that changes to a liquid by melting
What is exothermic change?
The most motion of particles must slow down, because energy is released from the substance as it changes
What is a fluid?
A nonliquid state of matter where atoms and molecules can move past each other.
What is bouyant force?
An upward force exerted on an object
What is pressure?
The amount of force put on a surface
What is Archimedes Principle?
The principle that states the buoyant force on an object is an upward force equal to the weight of the volume of a fluid that the object displaces.
What is a pascal?
The SI unit for pressure.
What is pascal’s principle?
The principle that states that a fluid in a container exerts pressure equally in all directions
What is viscosity?
The rate at which liquid flows
What Boyle’s Law?
The volume of a gas increases as its pressure decreases (marshmallow peep and shaving cream)
