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A student conducts an experiment to determine which type of sour candy causes the most dramatic facial reaction when eaten. Experimental Group (A) She uses 3 similar types of sour candy in a series of experiments (Sour Skittles, Sour Patch Kids, and Warheads). She gives 1 piece of candy to 3 different students Control Group (B) Then she uses three types of non-sour candy that look and feel like the sour candy in a series of experiments. (Reg Skittles, Gummi Bears, and Jaw Breakers) Again she gives 1 piece of candy to 3 different students Identify the following: (1) Independent and dependent variable in the experimental group (2) Constants Jan 31, 2013 Bellwork SPI 0807.Inq.1 Controls and Variables 1

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Experimental group (A) All the details of the series of experiments using the 3 similar types of sour candy Control group (B) All the details of the series of experiments using the 3 types of non-sour candy. Independent and Dependent variables -Independent: The different types of sour candy -Dependent: The kid’s facial expressions These are some constants -Gave each person the exact same amount of candy (1 piece) -Used the same 3 students for all the experiments SPI 0807.Inq.1 Controls and Variables Bellwork 2 NOTE: The types of non-sour candy are control variables!

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1 ) Discuss objective and bell work 2) Ask about birthdays 3) Watch Study Jams about the scientific method Link 01: Study Jams WebsiteStudy Jams Website Select “science”, then “scientific inquiry”, then “scientific methods ” 4) Watch/Listen to song about variables and controls Link 02: Variable Song on YoutubeVariable Song on Youtube 5) Review and discuss one science project (teacher lead) 6) Analyze science projects at the work stations Identify the independent variable Identify one dependent variable 7) COPY IN YOUR AGENDA: No Homework: PLAN SPI 0807.Inq.1 Controls and Variables 3

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