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Scientific Method - Writing an Experiment

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Use the scenario given and use your understanding of the Scientific Method to explain what you have observed.
1. Recognize a question or a problem.
2. Develop a hypothesis.
3. Design and perform an experiment to test the hypothesis.
4. Analyze the data and reach conclusions about your hypothesis.
5. Share knowledge with the scientific community (your class).

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1. When developing a problem or question for a particular situation, you are simply stating the obvious. This is usually the easiest part of the scientific method. Examples might include: Why is my grass dying? or "How can I improve the quality of my grass?" Something more closely related to the second one will be easier around which to generate a hypothesis.

2. A hypothesis is generally and "If...then..." statement that explains your proposed solution to the problem. Ideally, it should tie in directly with your problem. Examples include: "If the temperature of the water is increased, then the dogs will be less likely to drink it," or for a situation similar to yours, "If __________, then I will improve the quality of my grass."

3. To design an experiment, it is best to stick with testing one particular variable. Examples for the grass experiment may be something such as amount of water, amount of fertilizer, type of seed, etc. You can use the outline below as a guide:

Situation: You have a hamster that is overweight and lazy. Problem: "How can I make my ...

Solution Summary

An example of the scientific method and how to use it.

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Choose two non-human species (or environmental factors) that interact with each other and write an experiment using all the steps of the scientifc method.

Choose two non-human species that interact with each other, such as bees and flowers, or predator and prey species, or two species that compete. Or, you can consider the effect of an environmental factor on living non-human organisms, such as the effects of light or sound on plants or animals, or how food preference, or nutrient quantity / quality affect plants or animals. These are just a few examples. Your observations may lead you to many other types of questions about living organisms, their interactions, and requirements for life.

Start with an Introduction/Observation and move through the steps of the Scientific Method as outlined below. Your paper should follow this format. Remember, you don't have to actually do the experiment, just write what you would do to test your hypothesis.

Can you also please explain the difference in the different types of variables? I'm a little confused about those.

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