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29 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Evidence |
Factual information |
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Observations |
Info collected by using one or more of the sences |
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Data |
The info that is gathered through observations |
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Quantitive data |
Info that can b counted or measured |
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Qualitative data |
Info that is not easily quantified but is observed with senses |
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Inference |
A logical interpretation of data based on his or her prior knowledge and experience |
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Hypothesis |
A possible explanation for a set of observations or an answer to a scientific problem based on prior knowledge, logical inference, or imaginative guesses |
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Controlled experiment |
A method of testing a hypothesis that utilizes a control group and an experimental group with only one variable (difference) between the control and experimental groups |
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Variable |
One factor in an experiment that is 'manipulated' or changed from the control group |
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Independent (Manipulating) variable |
The changed variable |
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Dependent (Responding) variable |
The observable or measurable results |
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Theory |
A well- tested explanation that unifies a broad range of the |
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Experimental group |
The manipulated group to which the independent variable is applied |
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Control group |
Exposed to all the same conditions as the experimental group except for the ind variable |
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Scientific laws must b: |
Simple, true, universal, & absolute Are accepted at face value based upon the fact that they have always been observed to b true |
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Metric System |
A decimal system of measurement whose units r based on multiples of 10 |
Known as "SI" or International System of Measurement |
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Controlled Experiment |
A method of testing a hypothesis that utilizes a controlled experiment group with only one variable (difference) btw the control and experimental groups |
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Variable |
One factor n an experiment that is manipulated or changed from the control group |
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Constant |
N a controlled experiment, the constant represents all conditions that are kept identical n both the experimental and control groups |
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Microscopes
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devices that produce magnified images of structures that aretoo small to see with the unaided eye
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Lightmicroscopes
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producemagnified images by focusing visible light rays1
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Electronmicroscopes
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powerfulmicroscopes that use electromagnets to focus beams of electrons to visualizeextremely small non-living objects
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Spontaneousgeneration
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the idea that life could arise from non-living things
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Biogenesis
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theidea that living things only come from other living things
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What was FrancescoRedi birth and death date
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born in Arezzo on Feb 18, 1626 died in Pisa on March 1, 1697 |
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What was Francesco Redi career |
was an Italian physician
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What was Francesco Redi famous for |
testedthe idea of "spontaneous generation."
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What was Francesco Redi "inspiration" |
wisdom was that maggots formed magically from rotting meat
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What were the steps of Francesco Redi expeiment |
1.tooksix jars, which he divided in two groups of three -in the first jar of each group, he put an unknown object -inthe second, a dead fishgmeoп" |
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