Introduction to Matter Flashcards
matter
anything that takes up space and has mass
substance
a single kind of matter that always has a specific makeup, or composition
physical property
A characteristic of a pure substance that can be observed without changing it into another type of matter
chemical property
characteristics that describe something’s ability to become something else
atom
the basic unit of matter from which all matter is made
elements
substances that are made up of only one type of atom
molecule
a group of two or more atoms held together by chemical bonds
compound
a substance made of two or more elements that are chemically combined in a set ratio
mixture
made up of two or more substances that are together in the same place, but their atoms are not chemically bonded
distillation
separating liquids by boiling them
mass
the amount of matter in an object
volume
the amount of space an object takes up
weight
a measure of the force of gravity on an object
convert
to change from one form to another
density
a measure of the mass of a material in a given volume
physical change
alters the form or appearance of matter but does not turn any substance in the matter into a different substance
chemical change
a change in matter that produces one or more new substances
conservation of mass
the principle stating that matter is not created or destroyed during a chemical reaction
temperature
a measure of how hot or cold something is.
thermal energy
the total energy of motion in the particles of a substance
