the science of matter and the changes it undergoes
a quantitative observation and a piece of data
a general statement that describes observed behavior
a process of studying natural phenomenon using observation, hypothesizing, experimentation, analyzing, reflecting, concluding and/or theorizing
a set of assumptions set forth to explain the observed phenomenon in the universe including the observed behavior 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.
NEW! Voice Recording
Click the mic to start.