Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


the realm of atoms and molecules, where objects are smaller than can be detected by optical microscopes


the study of the composition of matter and the changes that matter undergoes


that which has mass and occupies space

basic research

research dedicated to the discovery of the fundamental workings of nature

applied research

research dedicated to the development of useful products and processes


an organized way of gathering and analyzing evidence about the natural world

scientific hypothesis

is a testable assumption, or guess, often used to explain an observed phonomenon

control test

a test performed by scientists to increase the conclusiveness of an experimental test


an explanation using an integrated set of principles that organizes and predicts observations.


the amount of matter in an object.


a measure of the gravitational force exerted on an object


the amount of space an object takes up


the capacity to do work

potential energy

stored energy

kinetic energy

energy due to motion


a measure of how hot (or cold) something is; specifically, a measure of the average kinetic energy of the particles in an object


measuring instrument for measuring temperature

absolute zero

The coldest temperature, 0 Kelvin, that can be reached. It is the hypothetical temperature at which all molecular motion stops.


the energy transferred between objects that are at different temperatures


matter that has definite volume and definite shape


a form of matter that flows, has constant volume, and takes the shape of its container


a form of matter that does not have a definite volume or shape


change from a solid to a liquid


the change of state from a liquid to a solid


the change of a substance from a liquid to a gas


evaporation in which bubbles form beneath the liquid surface


The change of state from a gas to a liquid


the ratio of an object"s mass to its volume

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

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.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording