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Louis Pasteur


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s broth boiled to kill bacteria – left open to the air with flask that had long curved dipped neck – no growth

s broth boiled to kill bacteria – left open – growth

s controlled: broth, boiling, area

s manipulated: openness to air

s responding: the broth with the flask collected the bacteria before it got into the broth and had no growth – the other one just collected the growth

Bacteria: can not travel against gravity (couldn't travel up the neck of the flask so just collected before it got into the flask)


Scientific Law
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backed up by everyone and there is significant evidence proving it


Scientific Theory
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backed by some people but there is some dispute, backed up by experiments, but not necessarily evidence.


spontaneous generation
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- the idea that life could arise from nonliving matter

- some argued that air was needed for new life because air was a “life force” without which new life was not possible


science


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an organized way of using evidence to learn about the natural world

more of a VERB than a NOUN


Characteristics of Living Things


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1) reproduction

2) consists of cells

3) genetic code

4) growth and development

5) utilizes energy

6) adapts to environment

7) maintains internal environment

8) movement

9) death


controlled experiment
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an experiment where only one variable is changed at a time


cell
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collection of living matter enclosed by a barrier tha