constraints
restrictions
to change phase from a solid to a liquid
melting
Dissolve
To mix one substance uniformly into another substance at the particle level
engineering problem
a challenge that engineers try to solve
a phase of matter that has definite volume and shape
solid
Solute
A substance that dissolves in a solvent to form a solution
transparent
clear
the unit of energy that will raise the temperature of 1 gram of water 1 degree celsius
calorie
Mixture
Two or more substances that do not form a new substance
heating
energy transfer that increases the kinetic energy of a substance's particles
requirements
criteria
Cooling
Energy transfer that decreases the kinetic energy of a substance's particles
energy transfer
energy moving from one location to another
equal
equalibrium
Temperature
average kinetic energy of the particles in a substance