Bellwork
SPI 0807.Inq.1
Controls and Variables
Jan 31, 2013
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
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Bellwork
SPI 0807.Inq.1
Controls and Variables
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 ofThe
non-sour
NOTE:
types candy.
of non-sour candy are control variables!
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
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PLAN
SPI 0807.Inq.1
Controls and Variables
1) Discuss objective and bell work
2) Ask about birthdays
3) Watch Study Jams about the scientific method
Link 01: Study Jams Website
Select “science”, then “scientific inquiry”, then “scientific methods”
4) Watch/Listen to song about variables and controls
Link 02: Variable 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:
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