click below
click below
Normal Size Small Size show me how
Life Sci-Chap 1
vocabulary words
| Question | Answer |
|---|---|
| life science | study of living things |
| scientific methods | series of steps you follow to solve a problem |
| hypothesis | possible answer or explanation to a question-based on prior research or observations that can be tested |
| controlled experiment | experiment that tests only one factor at a time by using a control group and an experimental group(s) |
| variable | the factor that differs in an experiment |
| model | represents an object or system - can show structure or workings of the object or system |
| theory | explanation that ties together many related facts, observations and tested hypotheses |
| law | summary of many experimental results and observations; these rarely change |
| technology | application of science for practical purposes |
| compound light microscope | magnifies small objects so they can be easily seen by using two or more lenses. # mains parts - tube with two or more lens, a stage and a light. |
| electron microscope | microscope that focuses a beam of electrons to magnify objects. Can;t view living things with this. Two kinds transmission electron microscope and transmission electron microscope |
| area | measure of the size of a surface or region |
| volume | measure of the size of a body or region in three dimensions (lwh) |
| mass | measure of the amount of matter in an object |
| temperature | a measure of how hot or cold something is |