| Term | Definition |
|
density |
the property of matter that compares the mass of an object to its volume |
|
mixture |
a combination of two or more substances that keep their individual properties |
|
solvent |
the substance that dissolves another substance in a solution |
|
solubility |
ability of one substance to dissolve in another |
|
solute |
the substance that is dissolved in a solution |
|
solution |
a combination of two or more substances where one is dissolved by the other |
|
physical change |
a change in the size, shape, or state of matter |
|
chemical change |
a change that results in a new substance |
|
solid |
particles are tightly packed, they move back and forth but they don't change places |
|
liquid |
particles are not held together as tightly, they slide past one another |
|
gas |
particles are very far apart and move in all directions |
|
mass |
matter - it is the same wherever you go, it changes only if you add or remove something, it is affected by gravity |
|
volume of a box |
measure the length, width, and height with a ruler and then multiply |
|
sink |
more density |
|
float |
less density |
|
good solubility |
high temperature and small size = dissolves well |
|
bad solubility |
low temperature and big size = doesn't dissolve well |
|
phase change |
adding or removing heat energy: freezing, melting, boiling |
|
rusting |
chemical change |
|
burning |
chemical change |
|
pan balance |
used to compare mass |
|
hot chocolate |
solution |
|
pencil case |
mixture |