Introduction to Matter

4. Anything that has mass and takes up space.
7. A pure substance that cannot be broken down into other substances by chemical or physical means.
8. A change that alters the form or appearance of a material but does not make the material into another substance.
9. A change in which one or more substances combine or break apart to form new substances.
12. A characteristic of a pure substance that can be observed without changing it into another substance.
14. Involves separating liquids by boiling them.
15. A measure of how much mass of a substance is contained in a given volume.

1. The amount of space that matter occupies.
2. A measure of the force of gravity acting on an object.
3. The basic particle from which all elements are made.
4. A neutral group of two or more atoms held together by covalent bonds.
5. A single kind of matter that is pure and has a specific set of properties.
6. A characteristic of a substance that describes its ability to change into different substances.
10. A measure of how much matter is in an object.
11. A substance made of two or more elements chemically combined into a specific ratio or portion.
13. Two or more substances that are together in the same place but their atoms are not chemically bonded.