the scientific study of the composition, structure, and properties of matter and the changes that matter undergoes
anything that has mass and takes up space
a substance that cannot be seperated or broken down into simpler substances by chemical means
the smallest unit of an element that maintains the properties of that element
a substance made of atoms of two or more different elements that are chemically combined
the smallest unit of a substance that keeps all of the physical and chemical properties of that substance
a combination of chemical symbols and numbers to represent a substance
a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
a combination of two or more substances not chemically combined
the temperature and pressure at which a solid becomes a liquid
the temperature at which a liquid becomes a gas
the ratio of the mass of a substance to the volume of a substance
the ability of a substance to combine chemically with another substance
the ability of a substance to react in the presence of oxygen and burn when exposed to a flame
a change of matter from one form to another without a change in chemical properties
a change that occurs when a substance changes composition by forming one or more new substances
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.