A | B |
physical property | feature of matter that can be observed or measured without changing the chemical makeup of a substance |
volume | amount of space an object takes up |
mass | amount of matter in an object |
weight | measure of the force, or pull, on objects due to gravity |
malleable | able to be hammered into thin sheets |
brittle | easily breakable |
ductile | able to be drawn out into a wire without breaking |
conductivity | ability of a material to convey or conduct heat and electricity |
magnetic | ability to attract a magnet |
hardness | ability to resist being scratched |
density | measurement of the mass per unit volume of a substance |
physical change | change in an object’s appearance, but not in its composition |
mixture | two or more substances that are mixed together but are not chemically joined |
sublimation | changing directly from a solid to a gas |
homogeneous | made of two or more substances that mix together evenly |
dissolve | to spread evenly throughout another substance |
solution | homogeneous mixture in which particles of one substance are spread evenly throughout the other substance |
solute | substance that dissolves in a solvent to form a solution |
solvent | substance in which a solute dissolves to form a solution |
solubility | how much solute will dissolve in a certain amount of solvent at a certain temperature |
concentration | amount of solute in a solution compared with the amount of solvent |
unsaturated solution | solution that can dissolve more solute |
saturated solution | solution in which no more solute will dissolve at that temperature |
heterogeneous | made of substances that do not mix together evenly |
suspension | heterogeneous mixture in which particles of a substance are temporarily mixed in a liquid |
colloid | mixture whose properties are between those of a solution and a suspension; particles are not dissolved, but do not settle out |