| A | B |
|---|
| independent variable | variable changed during an experiment |
| dependent variable | variable that is observed or measured during an experiment |
| control | 1 condition held constant in an experiment |
| data | recorded measurements taken during an experiment |
| liter | SI unit of volume |
| meter | SI unit of length |
| gram | SI unit of mass |
| technology | use of discoveries in science to solve everyday problems |
| hypothesis | prediction that can be tested |
| biology | study of living and once living things |
| development | changes an organism goes through throughout its lifetime |
| vacole | storage area for a cell |
| chloroplast | plant organelles which produce chlorphyll |
| cell wall | provides support and protection for plant cells |
| nucleus | controls all cell activities |
| cell membrane | controls what enters and leaves the cell |
| mitochondria | powerhouse of the cell |
| ribosome | part of the cell that makes proteins |
| lysosome | digests wastes and worn out cell parts |
| Robert Hooke | 1st to use the term cell |
| Robert Brown | discovered the nucelus of the cell |
| Mattias Schleiden | claimed all plants are made of cells |
| Theodor Schwann | claimed all animals are made of cells |
| diffusion | movement of molecules from high to low concentration |
| osmosis | diffusion of water molecules |
| cancer | condition caused by uncontrolled cell division |
| mitosis | the process of cell division |
| mutation | mistakes made in the DNA sequence |
| clone | a geneticall identical copy |
| gene | short section of a DNA that codes for a trait |
| double helix | shape of the DNA molecule |
| replication | process by which DNA makes a copy of itself |
| x axis | part of the graph that shows independent variable |
| y axis | part of a graph that shows dependent variable |
