a material that is composed of only one type of particle
What is pure substance
100
is an adjective that means all of the same or similar kind or nature. One thing, or two things that look the same/can't tell them apart
What is homogeneous
100
the amount of a substance winthin a mixture
What is concentration
100
A scale used for measuring temperatures in scientific experiments; on the kelvin scale, pure water freezes at 243 K and pure water freezes at 373 K; the coldest possible temperature (also known as absolute zero) is 0 K
a scientific model of the structure of matter. All matter is made up of ____, and each pure substance has its own kind of ____ different form the _____ from any other pure substance
What is particle theory and/or particles
200
composed of different substances
What is heterogeneous
200
present in a high proportion relative to other substances; having had water or other diluting agent removed or reduced
What is concentrated
200
the ability to do work and to cause change (chemical or physical)
What is energy
200
stored energy
What is potential energy
300
is energy that is in the process of transfer from its system and the surrounding area
What is heat
300
the dissolved substance in a substance
What is solutes
300
is the point at which a solution of a substance can dissolve no more of that substance
What is saturated
300
the energy generated by the movement or vibration of particles; the total kinetic energy of all the particles in a substance
What is thermal energy
300
energy that is transmitted via electromagnetic waves; the transfer of energy in the form of electromagnetic waves
What is radiant energy; radiation
400
a homogeneous mixture composed of two or more substances
What is solution
400
are liquids or gases that can dissolve or extract to other substances
What is solvents
400
having the power to dissolve more of a substance
What is unsaturated
400
energy that is released or transferred by the motion of an object or its particles
What is kinetic energy
400
the direct transfer of thermal energy from one particles or object to another through contract or collision
What is thermal conduction
500
a mixture in which each material maintains its own properties. Ex. blood made of plasma, red blood cells, white blood cells, platelets.
What is mechanical mixture
500
is the property of a solid, liquid or gaseous chemical substance called solute to dissolve in a solid, liquid, or gaseous solvent to to form a solution
What is solubility
500
if the solvent is heated it can dissolve more solute. If the solution is then cooled it will become supersaturated.
What is Supersaturated
500
a warming of the enviromenent that results from human activities, such as the burning of fossil fuels
What is thermal pollution
500
materials that slow the transfer or conduction of thermal energy from one object to another