any object that has a definite shape and has tightly packed molecules
a state of matter that can be easily poured and takes the shape of its surroundings
a state of matter that is almost always invisible and expands freely
a type of change in matter that can always be changed back
another type of change that can not be changed back and causes a change in the chemicals
anything that takes up space and has weight (mass)
matter that is made up of a single type of particle
the simplest form of matter
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 above 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.