Scientific Method
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Scientific Method
A series of steps to solve a problem State the problem Gather information (Research) Form a hypothesis Perform an experiment Collect and record data Analyze data Form a conclusion (Sally Grabbed Four Pickled Cans And Fainted)
Controlled experiment
An experiment that changes only one variable.
variable
Any factor that can exist in differing amounts or types
Data
The information and results gathered from an experiment
Hypothisis
An educated guess, a scientific prediction, a possible solution to a problem
Experimental group
The group that tests the changed factor, they experience the new treatment.
Control group
The group that remains the same, unchanged, does not experience the new treatment.
Control
Parts of the experiment that stay the same (control variables, control factors, or constants.)
Independent variable
Factor being intentionally changed, “I” change (experimental variable or manipulated variable) z
Dependent variable
Factor that occurs as a result of the change, the part of the experiment that is recorded
Prediction
A guess about what will happen in the future.
Observation
Information that one gathers using their senses (sight, smell, touch, taste, and hearing)
Inference
Conclusions that you draw based on your background knowledge and evidence you’ve collected
Quantitative Observation
A description of an observation using numbers and measurements.
Qualitative Observation
A description of an observation using words only.