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10 Cards in this Set
- Front
- Back
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Design a properly controlled experiment: |
Needs: Control/Expermental group, claim (hypothesis), can only be testing one variable, and follow scientific methord. |
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Dependent vs. Independent variables: |
Dependent: Depends on the Indep. var (changed var).
Independent: Doesn't depend on anything (changed var). |
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Properly labeled graph:
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Has a title, key, units, and labels on each axis).
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Control group vs. Controls/constants in an experiment. |
Control group: given placebo (nothing occurs to it)
Controls/constants in an experiment: Things that don't change in the experimental group. |
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Qualitative vs. Quantative data: |
Qualitative: Qualities
Quantative: Numbers |
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What would happen to a controlled experiment if: |
1. Sample size too small: no enough tested on
2. Experiment not repeated: don't know if anything skewered data.
3. Missing control group: Don't know to what extent the change was.
4. More than one variable changed: don't know what thing changed it |
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What is involved in a strong conclusion? |
No first person, shows the purpose of the lab, explains procedures, includes claim/evidence/reasoning, identifies sources of error, and gives a connection to the real world. |
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Hypothesis vs. Theory vs. Law |
Hypothesis: An educated guess
Theory: Abstract/objective thinking (Theory of relativity).
Law: Idea that has been proven to work (Moore's law) |
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How does science involve understanding context in society? |
It makes us ask why something is occurring. |
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Traits of a good scientist: |
Skeptal, objective, open-minded, and creative. |
