Term
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Definition
| a direct method of gathering info about a natural phenomenon in an orderly way |
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Term
| What does it mean to use inferencing? |
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Definition
combining what you already know with what you have learned to begin making logical conclusions.
(an assumption based upon prior experiences)
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Term
| When we see smoke, we __________ fire. |
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Definition
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Term
| What does it mean to make an observation? |
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Definition
| when studying something describe only facts that you can see, touch, smell and hear. You are not making any guesses |
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Term
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Definition
What can you observe
about this can if
you are standing
next to it? |
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Term
| Can an observation be an opinion? |
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Definition
| NO - Observation is NOT an opinion. |
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Term
| After you observe something you can make an inference by... |
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Definition
| using your observations to make a guess about an object or an outcome |
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Term
| Can an inference be an opinion? |
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Definition
| Yes, an inference can be an opinion. |
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Term
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Definition
| testable explanation for a question, problem, or situation |
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Term
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Definition
| the occurrence of accidental or unexpected, but fortunate results… scientists who made breakthroughs that they were not even looking for |
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Term
| What does it mean to experiment? |
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Definition
| to investigate a phenomenon in a controlled setting to test a hypothesis |
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Term
| What do controlled experiments have? |
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Definition
| a control group AND an experimental group |
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Term
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Definition
| a group used for comparison, do not have the experimental variable |
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Term
| What is an experimental group? |
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Definition
| the group exposed to the factor that is being tested |
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Term
| What is an independent variable? |
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Definition
| the tested factor, it might affect the outcome of the experiment, what is being manipulated or changed |
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Term
| What is a dependent variable? |
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Definition
| what is measured, this results from or depends on the changes made to the independent variable |
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Term
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Definition
| a factor that remains fixed (also called control factor) |
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Term
| Independent variables answer the question... |
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Definition
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Term
| Dependent variables answer the question |
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Definition
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Term
| Controlled variables answer the question |
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Definition
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Term
| Constant variables (control factors) answer the question |
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Definition
| What uninteresting variables might influence the effect of the IV on the DV?" |
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Term
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Definition
| information gained from observations, many experiments use both:quantiatative and qualitative |
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Term
| What are the two types of data? |
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Definition
| Quantitative and qualitative |
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Term
| What is quantitative data? |
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Definition
numerical data that is easy to analyze statistically (averages, graphs)
measurements of time, temp.,length, mass, area, volume, density, etc… |
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Term
| What is qualitative data? |
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Definition
descriptions from 5 senses, give a more in depth and rich description
(sometimes is the only data you can get) |
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Term
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Definition
| what we call it when the procedure involves observation and collection of data rather than controlled manipulation of variables (this is not using a control group…) |
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Term
| Discovering and identifying new species is an example of an... |
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Definition
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Term
| When you analyze data, data are displayed in... |
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Definition
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Term
| Dislaying data in a graph or table helps to... |
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Definition
| analyze the data for a trend or pattern |
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Term
| When you analyze data, three reasons to meet with other biologists are: |
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Definition
1) to examine for avoiding bias,
2) repeating their trials
3) to determine if sample size is large enough |
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Term
| Can you learn from an unsupported hypothesis? |
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Definition
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Term
| Findings/conclusions are Findings/conclusions are... |
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Definition
| reported in scientific journals that are peer reviewed |
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