Matter Test 2 Vocabulary
The amount of mass in a given volume.
condition in which matter can be found
change in phase or state
a change in the condition of matter
a form of energy that causes substances to rise in temperature or to undergo changes in state
to spread out or take up more space
shorten or shrink; come closer together
the spreading out of molecules due to the addition of heat
to make or become more close, compact or dense
to expel moisture from as by heat
to produce bubbles of vapor when heated
The temperature at which a substance starts to boil. Water's boiling point is 100 degress celsius.
to harden into ice or a like solid by loss of heat
change of state in which a solid goes directly to a gas skipping the liquid state
loss of heat to the point where all molecules stop moving
The amount of "stuff" or matter in a material
The temperature at which a substance starts to melt. Water's melting point is 0 degress celsius.
A change in a substance's physical state. For example, color, size, shape. (changes in state)
A change in the chemical structure or make-up of a substance. (burning)
A substance that is made up of only its own molecules.
The amount of solute that can be completely dissolved in a solvent at a specific temperature.
The amount of space occupied by an object.
The substance being dissolved.
A mixture in which small particles of a substance are spread throughout a gas or liquid. If left alone, the particles will sink to the bottom.
The substance doing the dissolving. Water is the universal solvent.
To make a substance less concentrated by adding a liquid such as water.
A type of homogeneous mixture formed when one substance dissolves in another.
A substance that is not dilluted.
The attraction that objects have for each other simply because they have mass and occupy space.
The gravitational pull on an object's mass.
A homogeneous mixture in which the particles are mixed together but not dissolved- toothpaste, suntan lotion
Appears to be the same throughout- the particles evenly mix together.
Does not appear to be the same throughout (different)- particles don't evenly spread out.
in small particles
The upward force that a fluid exerts on an object that is less dense than itself. Allows a boat to float on water.