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| 5412231719 | Atom | Basic unit of matter | 0 | |
| 5412231720 | Atomic Number | Number of protons in an atom | 1 | |
| 5412231721 | Atomic Mass | Number of protons and neutrons in an atom | 2 | |
| 5412231722 | Isotopes | atoms of the same element, but have a different amount of neutrons | 3 | |
| 5412231723 | Octet Rule | Atoms will gain, lose, or share electrons to have eight valence electrons | 4 | |
| 5412231724 | Cohesion | Attraction between particles of the same substance (water→ hydrogen bond) | 5 | |
| 5412231725 | Adhesion | Attraction between two different substances | 6 | |
| 5412231726 | Specific heat | Amount of energy/heat needed to raise or lower 1g of a substance 1 degree C | 7 | |
| 5412231727 | Amino acid | Monomer of protein | 8 | |
| 5412231728 | Polypeptide | Polymer of protein | 9 | |
| 5412231729 | Water is a good solvent because | It is polar therefore dissolves polar substances well | 10 | |
| 5412231730 | Enzyme lowers | Activation energy required to start a reaction | 11 | |
| 5412231731 | Enzymes can be | Reused because it is unchanged after a reaction is catalyzed | 12 | |
| 5412231732 | Enzymes and Substrates have | Complementary shapes | 13 | |
| 5412231733 | Each enzyme can be used with only one | Substrate | 14 | |
| 5412231734 | Activation energy | Amount of energy needed to start a reaction | 15 | |
| 5412231735 | Active Site | Region on an enzyme where the substrate binds | 16 | |
| 5412231736 | Substrate | The substance on which an enzyme acts | 17 | |
| 5412231737 | Factors that affect Enzymes | Temperature, pH, salinity | 18 | |
| 5412231738 | Polarity is created by | Unequal sharing of electrons | 19 | |
| 5412231739 | Phosphorus (Atomic # 15) would look to form how many bonds | 3 | 20 | |
| 5412231740 | Oxygen (Atomic # 8) would look to form how many bonds | 2 | 21 | |
| 5412231741 | Peptide Bond | The bond formed between the Amine group of one amino acid and the Carboxyl group of another amino acid where H20 is lost | 22 | |
| 5412231742 | Carbon is the organic molecule because | It can form four bonds | 23 | |
| 5412231743 | Monosaccharide | Has a 1:2:1 ratio; Single sugar | 24 | |
| 5412231744 | Polysaccharide | Has very close to a 1:2:1 ratio of Carbon, Hydrogen, and Oxygen; Many sugars | 25 | |
| 5412231745 | Valence Electrons | Electrons in the outermost orbital of an atom | 26 | |
| 5412231746 | Hormones like testosterone | Lipids | 27 | |
| 5412231747 | Functional groups of nucleic acids | Phosphate, sugar, nitrogenous base | 28 | |
| 5412231748 | Isotopes | Differ by the number of neutrons | 29 | |
| 5412231749 | Bond that exists between water molecules | Hydrogen bond | 30 | |
| 5412231750 | Enzymes are what type of macromolecule | Protein | 31 | |
| 5412231751 | Monomer of nucleic acid | Nucleotide | 32 | |
| 5412231752 | What characteristic of life relates best to the high specific heat of water | Homeostasis | 33 | |
| 5412231753 | Covalent bond | Created due to sharing of electrons | 34 | |
| 5412231754 | Ionic bond | Created due to transferring of electrons | 35 | |
| 5412231755 | Surface tension relates to which property of water | Cohesion | 36 | |
| 5412231756 | The main role of nucleic acids is to | Hold genetic information | 37 | |
| 5412231757 | Nucleus | contains Protons and Neutrons |  | 38 |
| 5412231758 | Electrons | no charge, energy is -2 and normally number of protons are equal to this |  | 39 |
| 5412231759 | Valence Shell | outermost shell that contains chemically reactive electrons; any not completely filled with 8 electrons will bond with others |  | 40 |
| 5412231760 | Matter | anything that occupies space and has mass |  | 41 |
| 5412231761 | Atom | the smallest unit of matter that retains the properties of an element |  | 42 |
| 5412231762 | Element | a substance that cannot be broken down into other substances |  | 43 |
| 5412231763 | Molecule | group of 2 or less atoms bonded together |  | 44 |
| 5412231764 | Compound | Molecule containing 2 or more elements in a fixed ration |  | 45 |
| 5412231765 | Mixture | 2 or more elements mixed in varying rations |  | 46 |
| 5412231766 | Solution | a liquid homogenous mixture of 2 or more elements |  | 47 |
| 5412231767 | Solvent | the dissolving agent |  | 48 |
| 5412231768 | Solute | the substance that is dissolved |  | 49 |
| 5412231769 | Atomic Number | number of protons, same for all atoms of particular element, unique for each element |  | 50 |
| 5412231770 | Mass Number | sum of protons and neutrons |  | 51 |
| 5412231771 | Isotope | a variant form of an element, contains a variant number of neutrons |  | 52 |
| 5412231772 | Ion | an atom that has gained or lost an electron |  | 53 |
| 5412231773 | Octet rule | atoms are reactive until they have 8 electrons in each shell |  | 54 |
| 5412231774 | Ionic Bonds | electrons are accepted or donated |  | 55 |
| 5412231775 | Cations | atoms that give up electrons and have a net positive charge |  | 56 |
| 5412231776 | Anions | Atoms that accept an electrons and have a negative charge |  | 57 |
| 5412231777 | Covalent Bonds | Electron pairs are shared |  | 58 |
| 5412231778 | Nonpolar | both atoms exert equal pull on the shared electrons |  | 59 |
| 5412231779 | Polar | one atom exerts more pull on the shared electrons due to extra protons |  | 60 |
| 5412231780 | Hydrogen Bonds | the slightly (+) H in a polar molecule forms a weak bond, lasts only a few seconds |  | 61 |
| 5412231781 | Reactants | Chemicals being changed by a reaction |  | 62 |
| 5412231782 | Products | Chemicals produced by a reaction | | 63 |
| 5412231783 | Reversible Reaction | Products can change back to the reactants and vice versa |  | 64 |
| 5412231784 | Catalyst | Molecule that increases the rate of reactions (but are not consumed by it) e.g., enzyme |  | 65 |
| 5412231785 | Acid | electrolytes that release H+ ions e.g, HCl |  | 66 |
| 5412231786 | Base | Electrolytes that accepts H+ ions e.g. NaOH | | 67 |
| 5412231787 | Salt | electrolyte formed by the reaction of a acid & base |  | 68 |
| 5412231788 | Buffer | Substance that resists changes in pH by accepting or donating H+ ions |  | 69 |
| 5412231789 | pH Scale | Measurements of the H+ ion/OH- concentrations |  | 70 |
| 5412231790 | Capillary action | water moves up tubes against gravity due to adhesion | 71 | |
| 5412231791 | Polar molecule | water has partial positive and partial negative charges; dissolves ionic compounds | 72 | |
| 5412231792 | 4 classes of organic macromolecule | lipids, carbohydrates, proteins, nucleic acids | 73 | |
| 5412231793 | lipids | non-polar molecules; oil, wax, butter, fat, steroids, cholesterol |  | 74 |
| 5412231794 | Nucleic acids | DNA, RNA |  | 75 |
| 5412231795 | Proteins | make up hair, skin, nails, muscle, bone, blood |  | 76 |
| 5412231796 | Carbohydrates | Give quick bursts of energy |  | 77 |
| 5412231797 | Organic | molecules containing Carbon bonded to other elements like Hydrogen, Nitrogen, Oxygen, Sulfur and Phosphorus | 78 | |
| 5412231798 | organization of matter (smallest to largest) | atom-element-compound-macromolecule-organelle-cell | 79 | |
| 5412231799 | 3 subatomic particles and their charges | protons (+), electrons (-), neutrons (0) | 80 | |
| 5412231800 | Universal solvent | Property of water that allows it to dissolve nutrients and carry them through the body | 81 |
