| A | B |
|---|
| Hypothesis | educated guess that explains an observation |
| Experiment | manipulate a variable to create a test |
| Law | always happens (what?) |
| Theory | not concrete (why?) |
| States of Matter | liquid, gas, plasma, solid |
| Ionic Bond | bond formed by electrical attraction between two oppositely charged ions |
| Covalent bond | bond that forms when two atoms share one or more pairs of electrons |
| activation energy | energy to break a chemical bond |
| solute | substance that is dissolved |
| solvent | what the solute dissolves in |
| concentration | measure of the amount of solute in a solvent |
| ionization | creating an ion by dissolving a substance |
| Organic compounds | carbohydrates, lipids, proteins, nucleic acids |
| Functional groups | OH (hydroxide), COOH (carboxyl), NH2 (amino), R (depends on the amino acid) |
| Characteristics of living things | growth & development, adaption, reproduction, aquire & convert energy, homeostasis, organization, response to stimuli |
| cellular respiration | process in which cells make ATP by breaking down organic compounds |
| oxidation | process of giving up an electron |
| reduction | process of gaining an electron (reduces total charge) |
| what two factors determine the state of matter | temperature and pressure |
