Join two or more things into one unit

The change from gas to a liquid

An attracting or repelling force that caused a magnetic material to move.

To rise to or near the surface

Change from solid to liquid

The type of matter that makes up an object

An observable trait of matter

The amount of matter in an object

Give a good reason for a choice

Set or fixed

Change from a liquid to solid

A slow change from liquid to gas

Matter that does not have a definite shape and spreads out

To fall below the surface of water