Thursday, September 4, 2014

Hypothesis- September 3rd, 2014


A hypothesis is a way to make an educated guess about the outcome of an experiment. First, an observation is made. Next, the questions posed from the observation are used to form a prediction of what might happen if one variable is changed. Hypotheses are useful because they help to set the objective that will guide the experiment. Here is an example of a simple experiment:

1. Observe and question: I have a cup of water inside at room temperature. What would happen if I put a cup of water outside on a snowy day in January?
2. HYPOTHESIS: I predict that the water will freeze because in order to snow it has to be under 32 degrees fahrenheit, therefore the water should freeze.
3. Prepare: gather my cup, water, and find a place outside to put the cup, cover the top of cup so snow does not fill cup.
3. Perform experiment
4. Analyze data: The water did freeze indicating that the temperature was indeed below 32 degrees fahrenheit.

The hypothesis was accurate because the results confirmed my prediction, which was that the water would turn into ice when put outside in freezing temperatures.

1 comment:

  1. Good post. You completed the assignment and included an understandable example.

    Note that experiments should contain at least two groups, one with the experimental variable and one without. You should restructure your freezing experiment to include this. You might even need to tweak your hypothesis.

    Please be on time with your blog posts in the future.

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