Year 2, Term 4: Data and variablesFocus: VariablesScope and sequence: Variables, Fair tests |
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Learning
intention: Students
identify questions of interest and define variables to guide
their investigations and presentations of relevant data.
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NSW Syllabus
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Australian Curriculum (version
9.0)
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"A
student gathers and organises data, displays data in lists,
tables and picture graphs." (MA1-DATA-01)
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"Students
learn
to acquire data for categorical variables through surveys,
observation, experiment and using digital tools; sort data
into relevant categories and display data using lists and
tables." (AC9M2ST01)
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Week 1
Introduction to the topic
This video (3:41) is a good introduction to the three main types of variables, namely:
Independent variable: The thing you change
Dependent variable: The thing you measure
Control variables: The things that stay the same.
Week 2
Independent variables
In science experiments, the independent variable
is the thing that you change.
Week 3
Dependent variables
In science experiments, the dependent variable is
the thing that you measure.
Week 4
Control variables
In science experiments, the control variables are
the things that remain the same.
Week 5
Cows Moo Softly
http://downunderteacher.blogspot.com/2012/01/freebie-science-variables-and-job-roles.html
Week 6
Fair tests
This video (3:45) has a good example of a fair test using
some common kitchen ingredients such as baking soda and three different
types of vinegar.
Week 7
Correlation across data sets
Sometimes there might seem to be correlations across data
sets which are best described as coincidences such as in the following
example:
By Tyler Vigen, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=48043945
Week 8
Week 9
Week 10
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
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