Experimental method/Nature of matter
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20 terms
Terms | Definitions |
|---|---|
 Science | An organized way of using evidence to learn about the natural world |
| experiment | a procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis; includes all components of the scientific method |
| manipulated variable | the variable that is deliberately changed |
| independent variable | variable that is changed in an experiment |
| responding variable | the factor that may change in response to the manipulated variable |
| dependent variable | what is being measured in an experiment |
| controlled experiment | a test of the effect of a single variable by changing it while keeping all other variables the same |
| Redi | Designed one of first controlled experiments; disproved spontaneous generation with meat experiment |
| hypothesis | possible explanation for a set of observations or possible answer to a scientific question |
| theory | an explanation using an integrated set of principles that organizes observations and predicts behaviors or events |
| maggot | the larva of the housefly and blowfly commonly found in decaying organic matter |
| observation | the act of noticing or paying attention using the five senses |
| inference | logical interpretation based on prior knowledge and experience |
| deduce | to draw a conclusion from given facts |
| infer | To draw a reasonable conclusion from the information presented. |
| Louis Pasteur | A French chemist, this man discovered that heat could kill bacteria that otherwise spoiled liquids including milk, wine, and beer. |
| microorganism | A small living plant or animal seen only with a microscope |
| marsupial | mammals of which the females have a pouch containing the teats where the young are fed and carried |
| marsupium | an external abdominal pouch in most marsupials where newborn offspring are suckled |
| spontaneous generation | the idea that living things come from nonliving things |
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