A review of all of the Campbell 7th Edition terms for the new 2013 AP Biology Curriculum
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| 7480423704 | polar | Molecule with partial charges. Mixes with water. |  | 0 |
| 7480423705 | nonpolar | No partial charges. Do not mix with water. |  | 1 |
| 7480423706 | electronegativity | Attraction of an atom for electrons in a covalent bond. |  | 2 |
| 7480423707 | cohesion | Water molecules sticking to each other. |  | 3 |
| 7480423708 | adhesion | Water molecules sticking to other surfaces. |  | 4 |
| 7480423709 | solute | Something dissolved in a solution. |  | 5 |
| 7480423710 | solvent | Dissolving agent of a solution. |  | 6 |
| 7480423711 | capillary action | A process powered by adhesion that causes water molecules to move upward through a narrow tube such as the stem of a plant. |  | 7 |
| 7480423712 | Heat capacity/specific heat | the amount of thermal energy that must be absorbed or lost to change the temperature of a substance or object by 1oC |  | 8 |
| 7480423713 | surface tension | An inward force that tends to minimize the surface area of a liquid; it causes the surface to behave as if it were a thin skin |  | 9 |
| 7480423714 | heat of vaporization | The amount of energy required for the liquid at its boiling point to become a gas |  | 10 |
| 7480423715 | heat of fusion | the amount of energy required to change a substance from the solid phase to the liquid phase at its melting point |  | 11 |
| 7480423717 | hydrophobic | insoluble in water | 12 | |
| 7480423718 | hydrophilic | having a tendency to mix with, dissolve in, or be wetted by water. | 13 | |
| 7480423719 | covalent bonds | Bonds created by sharing electrons with other atoms. |  | 14 |
| 7480423720 | ionic bonds | Bonds between atoms that form by transferring electrons |  | 15 |
| 7480423721 | hydrogen bonds | Very weak bonds; occurs when a hydrogen atom in one molecule is attracted to the electrostatic atom in another molecule |  | 16 |
| 7480423722 | polar covalent bond | A covalent bond between atoms that differ in electronegativity. The shared electrons are pulled closer to the more electronegative atom, making it slightly negative and the other atom slightly positive. |  | 17 |
| 7480423723 | ions | Charged atoms | 18 | |
| 7480423726 | acid | A substance that increases the hydrogen ion concentration of a solution. | 19 | |
| 7480423727 | base | A substance that decreases the hydrogen ion concentration in a solution. | 20 | |
| 7480423728 | alkaline | a basic substance; chemically, a substance that absorbs hydrogen ions or releases hydroxyl ions; in reference to natural water, a measure of the base content of the water. | 21 | |
| 7480423729 | pH scale | measurement system used to indicate the concentration of hydrogen ions (H+) in solution; ranges from 0 to 14. O is most acidic + and 14 is most basic + or alkaline. |  | 22 |
| 7480423730 | buffer | A solution that minimizes changes in pH when extraneous acids or bases are added to the solution. |  | 23 |
| 7480423731 | transpiration | The process by which water is lost through a plant's leaves |  | 24 |
| 7480423732 | evaporative cooling | The process in which the surface of an object becomes cooler during evaporation, owing to a change of the molecules with the greatest kinetic energy from the liquid to the gaseous state. |  | 25 |
| 7480423733 | temperature | A measure of the average energy of motion of the particles of a substance. | 26 | |
| 7480423736 | hydrogen ions | H+, acids | 27 | |
| 7480423737 | hydroxide ions | OH-, bases | 28 |
