Matter

4. the smallest particle of an element that has the properties of that element and can enter into a chemical combination.
6. rigid, and possesses a definite shape.
8. Pure substances that cannot be broken down into simpler substances by chemical changes
11. mixture, also called a solution, exhibits a uniform composition and appears visually the same throughout.
12. is composed of two or more types of matter that can be present in varying amounts and can be separated by physical changes, such as evaporation
13. of an object is a measure of the amount of matter in it
14. pure substances that can be broken down by chemical changes
16. refers to the force that gravity exerts on an object. This force is directly proportional to the mass of the object.

1. mixture, a composition that varies from point to point
2. a gaseous state of matter that contains appreciable numbers of electrically charged particles
3. takes both the shape and volume of its container.
5. substance, a constant composition.
7. of conservation, of matter summarizes many scientific observations about matter
9. flows and takes the shape of its container
10. consists of two or more atoms joined by strong forces called chemical bonds.
15. anything that occupies space and has mass