Word Wall Words #2

5. A mixture that often looks the same throughout the entire mixture.
7. A reaction that absorbs energy.
8. The universal measuring system based on units of tens.
9. A chemical bond formed when two atoms share electrons
10. The variable that changes as a result of the independent variable manipulation.
14. A mixture that features distinct components that can be easily seen and sorted.
15. The practice of using less of a resource so that it can last longer.
16. A substance formed as a result of a chemical reaction.
18. The electrons that are in the highest energy level of an atom and that are involved in chemical bonding.
19. A neutral group of two or more atoms held together by covalent bonds.
20. A measure of how much matter is in an object.

1. The amount of space that matter occupies.
2. bond The attraction between ions with opposite charges. The atoms gain or lose electrons.
3. A mixture containing a solvent and at least one solute that has the same properties throughout; a mixture in which one substance dissolves another.
4. The variable you manipulate or vary in an experimental study to explore its effects.
6. A pure substance that cannot be broken down into other substances by chemical or physical means.
9. A substance made of two or more elements chemically combined in a specific ratio or proportion.
11. A reaction that releases energy, usually in the form of heat.
12. Able to be changed or adapted.
13. The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.
17. The measurement of how much mass of a substance is contained in a given volume.