chapter 1, pgs 12-18. 1. scientific method- a series of steps used to solve problems 2....
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Scientific Method
Chapter 1, pgs 12-18
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1. Scientific Method- a series of steps used to solve problems
2. Observation- information gathered with your senses
Sight, sound, touch, taste, & smell
3. Inference- a conclusion based on an observation
Remember the “shoebox activity”
Notes
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Observation & Inference
OBSERVATION INFERENCE
The temperature of the glass of water near the window is warmer than the one on the shelf
The sun must have been shining on the water
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Observation & Inference
Observation Inference
The bell rang It is dismissal time
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Observation & Inference
Observation Inferernce
The clouds are very dark
It is going to rain
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4. Hypothesis- a prediction or statement that can be tested
5. Independent Variable- the experimental treatment
This is the factor that is different from the other group
6. Dependent Variable- what is being measured or observed.
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7. Constants- factors that STAY THE SAME in both parts of an experiment
8. Control- part of the experiment that does NOT receive the experimental treatment◦ It is the group to which the experimental group is
compared!
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Steps of the Scientific Method1. Ask a Question or
State a Problem
2. Observe & Infer
3. Hypothesis
4. Experiment
5. Analyze Data (Results)
6. Conclusion
7. Share Results
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Scientific Method- a series of steps used to solve problems
Ask a Question or Recognize the Problem- decide what you want to understand by performing an experiment
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Observe & Infer- gather information using your senses and make conclusions bases on what you observed.
Hypothesis- a prediction or statement that can be tested◦ It is based on observations, research and prior
knowledge.◦ Often written as a “If …, then…” statement.
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Dependent Variable- the factor or part that is being measured or observed
Independent Variable- the experimental treatment
What is being changed during the experiment
The factor that is different from the control group.
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Constants- factors or parts of the experiment that stay the same in all parts of the experiment.
Control- part of the experiment that does NOT receive the experimental treatment (independent variable)
This is used to make comparisons and to see how the experimental treatment works.
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Analyze the Data- data can be numeric, such as measurements, or observations and descriptions.
Draw Conclusions- make a statement based on the data collected and state whether or not the data supports or rejects the hypothesis.