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study of Biology
biology
| Question | Answer |
|---|---|
| experimental group | an identical to the control group except for one factor |
| scientific method | is to learn how the natural world works |
| observation | is the acting of perceiving a natural occurrence that cause's someone to pose a question |
| hypothiesis | a proposed explanation for the way a particular aspect of the natural world functions |
| prediction | a statement that forecasts what would happen in a test situation if the hypothesis was true |
| exeperment | used to test a hypothesis and its predictions |
| control group | provides a normal standard against which the can compare results of the experiment group |
| independent varaibles | sometimes called the manipulated variable it is the variable that is deliberatey manipulated |
| dependent varible | when a scientist observes or measures another factor also know as responding varible |
| theroy | when a related hypothesis is confirmed to be true many times and it can explain a great amount of data, scientist often reclassify |
| peer review | scientist who are experts in the field anonymously read the critique that research paper. |
| what two principles make the scientific method a unique process? | The events in the world have natural caues second uniformity an idea that fundamental laws of t=nature operate the smae wat at all times all places. |
| How do you make a conclusion? | An experiment can only disprove not process say if your result support your hypothesis. make an inference. |
| light microscope | magnifies image 10x |
| objective lens | enlagrges the image of specimen |
| stage | platform that supports a slide holding specimen |
| light source | a light bulb that provides light for viewing the image |
| magification | increase of an objectives apparent size |
| nosepiece | the structure that holds the sets of objective lens |
| resoltion | power to show details clearly in an image. |
| scanning electron microscope (sem) | first type of electron microscope |
| electron microscope | a beam of electrons producing enlarged image of specimen. |
| transmission electron microscope (tem) | transmits a beam of electrons through a very thinly slice dspecimen |
| metric system | science system of measure based on power of 10 |
| base units | describes length mass time and other qauntie |
Created by:
shelson0410
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