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A Recognize a problem C. Test the hypothesis with an experiment B Form a hypothesis D. Draw conclusions 1 Dana wanted to know how synthetic fibers were different from natural fibers. 2 Angela’s experiment proved that earthworms move away from light. 3 Scott said, "If acid rain affects plants in a particular lake, it might affect small animals such as crayfish, that live in the same water." 4 Michael fed different diets to three groups of guinea pigs. His experiment showed that guinea pigs need vitamin C and protein in their diets. 5 Kim’s experiment showed that chicken egg shells were stronger when she gave the hen food to which extra calcium had been added.

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Answer:

Dana wanted to know how synthetic fibers were different from natural fibers. - Recognize a problem

Angela’s experiment proved that earthworms move away from light.- Draw conclusions

Scott said, "If acid rain affects plants in a particular lake, it might affect small animals such as crayfish, that live in the same water." - Form a hypothesis

Michael fed different diets to three groups of guinea pigs. His experiment showed that guinea pigs need vitamin C and protein in their diets- Test the hypothesis with an experiment

Kim’s experiment showed that chicken egg shells were stronger when she gave the hen food to which extra calcium had been added- Draw conclusions

Explanation:

The scientific method involves observation of phenomena, this is called observation. This leads to the second stage called formulation of hypothesis, an intelligent, informed guess in put toward to explain observed phenomena. The hypothesis is now subjected to experiments to establish cause and effect relationship between variables. From the results of the experiment, conclusions are drawn.

The statements above fall into one processes in the scientific method as has been clearly shown above.

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