Terms : Hide Images
| 5144198710 | acid | Any substance below 7 on the pH scale | 0 | |
| 5144198711 | activation energy | The minimum amount of energy required to start a chemical reaction | 1 | |
| 5144198712 | adhesion | An attraction between molecules of different substances | 2 | |
| 5144200980 | amino acid | Monomer of proteins | 3 | |
| 5144200981 | atom | Basic unit of matter | 4 | |
| 5144200982 | base | Any substance above 7 on the pH scale | 5 | |
| 5144202838 | biological catalyst | Speed up the reactions that occur inside cells of living organisms, example: enzyme | 6 | |
| 5144206563 | buffer | Compound that prevents sharp, sudden changes in pH | 7 | |
| 5144206564 | cohesion | Attraction between molecules of the same substance | 8 | |
| 5144206565 | covalent bond | A chemical bond that involves sharing a pair of electrons between atoms in a molecule | 9 | |
| 5144208281 | electron | A subatomic particle that has a negative charge | 10 | |
| 5144208282 | element | A pure substance made of only one kind of atom | 11 | |
| 5144208283 | enzyme | A type of protein that speeds up chemical reactions, ends with -ase | 12 | |
| 5144208284 | fatty acid | Building blocks of lipids | 13 | |
| 5144210511 | glycogen | Food storage for animals | 14 | |
| 5144210512 | hydrogen bond | The attraction between the oppositely charged regions of two molecules; occurs in water molecules when hydrogens in one molecule are attracted to oxygens in another | 15 | |
| 5144212462 | inorganic compounds | Compounds that do not contain carbon AND hydrogen | 16 | |
| 5144212463 | ion | An atom or group of atoms that has a positive or negative charge. | 17 | |
| 5144212464 | ionic bond | Formed when one or more electrons are transferred from one atom to another | 18 | |
| 5144212465 | macromolecule | Carbohydrates, lipids, proteins and nucleic acids | 19 | |
| 5144217167 | monomer | The subunit that serves as the building block of a polymer. | 20 | |
| 5144217168 | monosaccharide | A simple sugar that is the basic subunit of a carbohydrate | 21 | |
| 5144218828 | nucleotide | A building block of DNA, consisting of a five-carbon sugar covalently bonded to a nitrogenous base and a phosphate group. | 22 | |
| 5144218829 | nucleus | A region that is located at the center of an atom and contains most of the atom's mass (protons and neutrons) | 23 | |
| 5144220882 | organic compounds | compounds that contain carbon and hydrogen | 24 | |
| 5144220883 | pH scale | measurement system used to indicate the concentration of hydrogen ions (H+) in solution; ranges from 0 to 14 | 25 | |
| 5144220884 | polar molecule | Molecule with an unequal distribution of charge, resulting in the molecule having a positive end and a negative end | 26 | |
| 5144222714 | polymer | large compound formed from combinations of many monomers | 27 | |
| 5144222715 | polypeptide | protein polymer | 28 | |
| 5144224842 | polysaccharide | Polymers of carbohydrates | 29 | |
| 5144224843 | products | Ending materials in a chemical reaction. | 30 | |
| 5144224844 | proton | A subatomic particle that has a positive charge and that is found in the nucleus of an atom | 31 | |
| 5144226808 | reactants | A starting material in a chemical reaction | 32 | |
| 5144226809 | saturated fat | Single bond; a fat that is solid at room temperature and found in animal fats, lards, and dairy products. | 33 | |
| 5144228266 | solute | Substance being dissolved | 34 | |
| 5144228267 | solution | A mixture in which one or more substances are evenly distributed in another substance. | 35 | |
| 5144228268 | solvent | A liquid substance capable of dissolving other substances | 36 | |
| 5144228269 | starch | A storage polysaccharide in plants consisting entirely of glucose. | 37 | |
| 5144230648 | steroid | Lipids that act as chemical messengers | 38 | |
| 5144230649 | tertiary | Third in order | 39 | |
| 5144232077 | unsaturated fat | double bond; a fat that is liquid at room temperature and found in vegetable oils, nuts, and seeds. | 40 |
