How can we test these? Eating chocolate causes zits.

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Presentation transcript:

How can we test these? Eating chocolate causes zits. Shaving make hair grow back more. Drinking coffee will stunt your growth. The full moon makes people restless. Reading in dim light damages a person’s eyes.

Scientific Method Process used by scientists (everyone/anyone) to determine a solution. “Method” means there is a consistent way of doing something To determine a solution you must have a problem.

Steps of the Scientific Method 1. State the problem 2. Gather information about the problem 3. Form a hypothesis Hypothesis Suggested solution to the problem 4. Design/conduct an experiment 5. Gather/analyze data Data information from an experiment 6. Form conclusion based on data and determine whether hypothesis was correct or incorrect with support data

Experimental Process: Terms of recognition What is an experiment? An experiment is a test between two or more “groups” Series of ordered (numbered) steps to test a hypothesis Terms: 1. Experimental Group group used to test the hypothesis (changes) 2. Control Group group which is given “normal” conditions (no change) 3. Variable the thing that is different between the experimental and control groups – independent and dependent

Which plant is the control group and which plant is the experimental group? http://www.educationalimages.com/fl070012.jpg

What are the variables for the experimental group? Independent Variable – changes sunlight Dependent Variable – result of the change and what is being measured Height of the plant Color of the plant Etc.

*A THEORY IS A WELL TESTED HYPOTHESIS THAT IS BELIEVED AND ACCEPTED BY SCIENTISTS

Problem A suggested solution to the problem Gathering

How can we test these? Eating chocolate causes zits. Shaving make hair grow back more. Drinking coffee will stunt your growth. The full moon makes people restless. Reading in dim light damages a person’s eyes.