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Used by all scientistsStep One: ObserveThis is how you decide what to study
Step Two: Question Ex: How will salt water affect plant growth?
Step Three: Hypothesis Your answer to the question Could be right or wrong Ex: Plants will not grow as tall if they are
watered with salt water
Step 4: ExperimentHow you test your questionEx: Water several plants with different levels of salt water
Control—part of the experiment that is keps the same
Ex: Plant with normal water, amount of water, soil and sun
Try to test just one thing/experiment
Ex: Salt water only
Independent Variable—part of the experiment that I change
Ex: Amount of salt water Dependent Variable—change in the
experiment I don’t control Ex: How much the plant grows
Step 5: Data/Results Information from the experiment Ex: Amount of plant growth in cm
Step 6: Conclusion Explain the results of your experiment Was my hypothesis right or wrong? Should I test more plants?
Step 7: Report your results Let other scientists know what you did Step 8: Verify results Did the other scientists get the same results
as you?
Step 9: Form a theory If everyone else gets your same results,
your hypothesis becomes a theory Can still be disproven