| A | B |
|---|
| Biology | study of life |
| cell | building block of life |
| Hypothesis | a testable statement |
| dependent variable | the responding variable |
| independent variable | the manipulated variable |
| controlled experiment | an experiment that is based on a comparison of a control group or phase with an experimental group or phase |
| nucleus | the central core of an atom |
| proton | a subatomic particle with a positive charge |
| neutron | a subatomic particle with no charge |
| matter | anything that has mass and takes up space |
| mass | the quantity of of matter an object has |
| elements | substances that cannot be broken down any further into simpler kinds of matter |
| solution | a mixture in which one or more substances are uniformly distributed into another substance. |
| suspension | a mixture in which particles spread through a liquid or gas but settle out over time |
| colloid | a mixture like a solution except the particles do not settle out over time |
| DNA | deoxyribonucleicacid |
| RNA | ribonucleicacid |
| double helix | a spiral structure that twists around a central axis |
| replication | the process of the duplication of a DNA molecule |
| hydrogen bond | a type of chemical bond n which two atoms share a hydrogen nucleus |
