| A | B |
|---|
| organic | characteristic of, pertaining to, or derived from living organisms |
| exothermic | pertaining to a chemical change that is accompanied by a liberation of heat |
| endothermic | - pertaining to a chemical change that is accompanied by an absorption of heat |
| pH scale | measurement system to indicate the concentration of hydrogen (H+) ions in a solution |
| pH 7 | neutral solution, pure water, hydrogen ions (H+) = hydroxide (OH-) ions |
| pH below 7 | acidic solutions, hydrogen ions (H+) > hydroxide (OH-) ions |
| pH above 7 | basic solutions, hydrogen ions (H+) < hydroxide (OH-) ions |
| A & W Root Beer Rule | acid is always poured into water |
| Universal Solvent | A substance that has the ability to dissolve both bases and acids, such as water. |
| acid | substance that releases hydrogen (H+) ions when mixed with water |
| base | substance that releases hydroxide (OH-) ions when mixed with water |
| organ | In biology, an organ (Latin: organum, "instrument, tool", from Greek ὄργανον, organon, "organ, instrument, tool"[1]) is a collection of tissues joined in structural unit to serve a common function. [2] |
| body systems | is a group of organs that work together to perform a certain task. |
