5th Grade Matter Vocabulary
Terms in this set (23)
Everything that takes up space and has mass.
The smallest part of a molecule.
Made up of two or more atoms of the same substance.
Made up of just one kind of atom.
When two or more molecules combine creating a new substance.
How much material makes up the object.
The amount of space the object takes up.
When the molecules in a solid, liquid, or gas spread out (temperature increases).
When the molecules in a solid, liquid, or gas come together (temperature decreases).
The change of a liquid into vapor.
The change of a gas or vapor into a liquid.
The process of changing from a solid to a gas without passing through the liquid state.
The process of change from a gas to a solid without passing through the liquid state.
The measure of mass and volume in a substance.
A change where no new substance is produced. It can usually be reversed.
A change in which one or more new substances are produced. It is difficult to reverse.
To melt, break up, or disintegrate.
Made up of two or more substances that can be separated and will not loose their characteristics when combined.
Made up of two or more substances that cannot be separated and will loose their characteristics when combined or dissolved to for a new substance.
The positive charge of an atom.
The neutral charge of an atom.
The negative charge of an atom.
The center of an atom, made up of protons and neturons.