1. separate physical change
A change in which a substance remains the same substance, such as carving, cutting, and shredding.
separate

2. mixture chemical change
A change that creates a new substance. A change in which a substance or two becomes a new substance or two.
mixture
Two or more substances that are combined without being changed.

3. solution Chemical reaction
A change that results in a new substance, chemically different from the original substance.
solution
It is an even mixing of particles that results when a substance is called a solute dissolves in another substance called a solvent. (salt water

4. matter
Anything that takes up space and has mass. It is made up of tiny particles called atoms.
dissolving
To become absorbed in a liquid solution, or make a solid do this.

5. substance physical properties smell color freezing boiling point point
A substance made up of two or more kinds of atoms that are chemically combined.
physical properties
smell
color
freezing
point
boiling
point
It is a trait that describes a substance by itself.

6. volume chemical properties pH reactivity with water
The size of a three-dimensional space enclosed within or occupied by an object.
chemical properties
A property that involves the ability of a substance to react with other materials to form new substances. pH
reactivity
with water

7. States of Matter
gas
solid
liquid
mass
Mass is a measure of how much material is in an object.

8. weight gravity The strength of the gravitational pull on the object .
Gravity is a force pulling together all matter (which is anything you can physically touch).

9. matter
Matter is commonly defined as being anything that has mass and that takes up space.
solvent
A solvent is a liquid or gas that dissolves a solid, liquid, or gaseous solute, resulting in a solution.

10. solute
A solute is dissolved in another substance, known as a solvent.
atom
It is the smallest possible particle of a substance.

11. molecule element Two or more atoms joined together.
It is a substance that made up of just one kind of atom.

12. solid
The atoms or molecules that compose the solid are packed closely together.
molecules
liquid
molecules
A liquid is a fluid that has the particles loose and can freely form a distinct surface at the boundaries of its bulk material.

13. gas properties shape state size color
molecules
A collection of particles (molecules, atoms, ions, electrons, etc.) without a definite shape or volume that are in more or less random motion.
properties
It is a trait that describes a substance by itself.
shape
state
size
color