Word Wall Words #2 (24-25)

5. The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.
6. A mixture that features distinct components that can be easily seen and sorted.
8. A chemical bond formed when two atoms share electrons to form a chemical bond.
11. A neutral group of two or more atoms held together by covalent bonds.
12. A pure substance that cannot be broken down into other substances by chemical or physical means.
13. The universal measuring system based on units of tens.
15. Able to be changed or adapted.
18. The variable that changes as a result of the independent variable manipulation.
19. A substance formed as a result of a chemical reaction.
20. A reaction that releases energy, usually in the form of heat.
21. A substance made of two or more different elements chemically combined in a specific ratio or proportion.

1. The practice of using less of a resource so that it can last longer.
2. A mixture containing a solvent and at least one solute that has the same properties throughout; a mixture in which one substance dissolves another.
3. A measure of how much matter is in an object.
4. A mixture that often looks the same throughout the entire mixture.
7. A reaction that absorbs energy.
9. The electrons that are in the highest energy level of an atom and that are involved in chemical bonding.
10. The measurement of how much mass of a substance is contained in a given volume.
14. The variable you manipulate or vary in an experimental study to explore its effects.
16. The amount of space that matter occupies.
17. The attraction between ions with opposite charges. The atoms gain or lose electrons to form a chemical bond.