Advertisement Upgrade to remove ads

Review for Test

Matter

Anything that has mass and takes up space (volume)

Mass

The amount of matter the object contains

Physical Property

Quality of condition of a substance that can be observed or measured without changing the substance's composition

Solid

Matter that has a definite shape and volume. Almost incompressible.

Liquid

A form of matter that flows, has a fixe3d volume, and takes the shape of its container. Almost incompressible but they expand when heated.

Gas

A form of matter that takes both the shape and volume of its container

Vapor

The gaseous state of a substance that is generally a liquid or solid at room temperature

Physical Change

A change that alters a given material without changing its composition. BOil, freeze, dissolve, melt, condense, break, split, crack, grind, cut, crush, and bend.

Mixture

A physical blend of two or more substance, varying compositions.

Heterogeneous mixture

A mixture that is not uniform in composition.

Homogeneous Mixture

A mixture that has a completely uniform composition.

Solutions

Gases, solids, or liquids that are homogeneous mixtures.

Phase

Any part of a system with uniform composition and properties.

Distillation

A liquid is boiled to produce a vapor that is then condensed again to a liquid.

Elements

The simplest forms of matter that can exist under normal laboratory conditions. They cannot be separated into simpler substances by chemical means.

Compounds

Substances that can be separated into simpler substances only by chemical means.

Chemical Symbol

One or two letters that represent an element.

Chemical Reaction

A change where one or more substances change into new substances.

Reactants

The starting substances.

Products

The substances formed.

Chemical Property

The ability of a substance to undergo a chemical reaction and to form new substances. Burn, rot, rust, decompose, ferment, explode, and corrode.

Law of Conservation of Mass

In any physical change or chemical reactoin, mass is neither created nor destroyed; it is conserved.

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 above and try again

Example:

Reload the page to try again!

Reload

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

NEW! Voice Recording

Create Set