Students will review the worksheet from the explore section and match the vocabulary to the pieces of the experiment.Independent variable, Dependent variable, Control, Constant, Hypothesis, Qualitative observation, Quantitative observation, Inference (Definitions available).Students will define the experimental design vocabulary using the graphic organizer (See Worksheet 2).Vocabulary introduction and application.Students will read a description of an experiment and answer questions about the design of the experiment without using the vocabulary.Review an experiment and answer questions.Try to relate experimentation to their everyday life.)
What kinds of experiments have you done on your own? (Good things to discuss are cooking, testing sports techniques, trying to fix things, etc…. Are their rules scientists follow when designing an experiment?. Is there a specific way to design an experiment? (Try to get them to mention the scientific method and discuss any “holes” in this. Teacher and class will discuss the following questions:. What are the “rules” for designing an experiment?. Dictionaries or definition sheets for the vocabulary words. Copies of worksheet, Overhead, Small drinking cups (2 per student), Pepsi and Coke. Supplies for experiment: Dixie drinking cups, Pepsi and Coke (~1.5 to 2 ounces per student) Possibly ice to keep soda cold. Student copies of: Experimental Design Graphic Organizer, Vocabulary Graphic Organizer, Explore worksheet, Explain worksheet. Overhead transparency of Experimental Design Graphic Organizer. Describe strengths and weaknesses of claims, arguments, and/or dataĪpproximately 6 class periods (~50 minutes each) are needed, however, some things can be assigned as homework to decrease the time spent in class. Defend conclusions of scientific investigations. Develop the relationship between evidence and explanation.ġ.06 Use mathematics to gather, organize, and present quantitative data resulting from scientific investigations:. 
Students will design and complete their own scientific experiment.ġ.01 Identify and create questions and hypotheses that can be answered through scientific investigations.ġ.02 Develop appropriate experimental procedures for:ġ.04 Analyze variables in scientific investigations:.Students will use the experimental design graphic organizer to plan an investigation.
Students will define and apply the experimental design vocabulary.This lesson is written using the 5E Learning Model. Students will learn and implement experimental design vocabulary while practicing their critical thinking skills in an inquiry based experiment.
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