Transcript CIRCUS OF EXPERIMENT

UNDERSTANDING
DEPENDENT
&
INDEPENDENT
VARIABLES
...label your notes please
INDEPENDENT VARIABLE
In an experiment that which is
supposed to be manipulated by
you.
The variable manipulated by the
experimenter.
Does the color of a plastic bag affect it’s
strength?
Does the amount of sunlight affect the
height of a plant?
How quickly does ice melt at different
temperatures
‘Wrapping’ Gleevec Drug to Fight Cancer
http://www.sciencedaily.com/releases/2007
/05/070501115127.htm
DEPENDENT VARIABLE
In an experiment that which is
supposed to be changed by
the independent.
...It depends on the
independent variable
What was the dependent variable?
What was the dependent variable?
Dependent Variable?
‘Wrapping’ Gleevec Drug to Fight Cancer
http://www.sciencedaily.com/releases/2007
/05/070501115127.htm
DATA ANALYSIS
On a simple X-Y coordinate line graph
the independent variable is always on
the X-axis.
Get Ready to Chew Chiclets!....
Other brands of
gum may be used
in your class.
Students that have
had fillings
replaced in the last
hour should not
chew gum.
Students that have
taken any sort of
medication in the
last 5 seconds
should seriously
consider the
consequences of
chewing gum.
Chewing gum has
been linked to the
demise of certain
individuals.