# Manipulated Variable

```9/17 &amp; 9/18 - 7th Grade Agenda
PearsonSuccessNet.com
Period 4 Assembly
Collect HW: Reading Notetaking p. 19 – p. 22
Pass back Graded HW &amp; Test
Ccms.ccusd.org &amp; PearsonSuccessNet.com website
Back To School Videos
Brain Pop: Scientific Method
HW: Reading Notetaking p.23 – 24
HW: Parent Signature on Grade Printout
Reminder: 3 extra credit points for bringing 100%
correct Chap1 Self Assessment (from
PearsonSuccessNet.com) Due: 9/26 &amp; 9/27
Daily Reflection
• Prompt: Make three predictions about
things in this classroom. (Write in
complete sentence) .
Extra Credit Assignment
3 extra credit point for bringing
100% correct Chap 1 self assessment
from PearsonSuccessNet.com
Due before the Chap 1 Test is given.
Daily Reflection
• Prompt: Write 3 things that you learned
from the brain pop video.
Important Websites
• CCMS.CCUSD.ORG (For Agenda)
• PearsonSuccessnet.com (Online
Textbook)
Scientific Process
•
•
•
•
•
Observe
Pose a Question
Develop a Hypothesis
Predict
Experiment and collect
data
Scientific Inquiry
• Scientific Inquiry
refers to the diverse
ways in which
scientists
inve_______
stigate the
natural world and
pose expl__________
anations
based on the
evidence they gather.
1st Step: Posing Questions
• Scientific Inquiry often
begins with a problem
obse_________.
rvation
2nd Step: Hypothesis
• Hypothesis is a
possible expl_______
anations
for a set of
to a scientific question
3rd Step: Design an Experiment
• An experiment in which
only one var______
iable is
manipulated at a time is
called a controlled
experiment
• Why is only one variable
manipulated?
4th Step: Collecting and
Interpreting Data
• Data are the facts,
figures, and other
dence gathered
evi_______
through observations.
• It is usually a data or
a chart
5th Step: Drawing Conclusions
• A conclusion is a
summary of what you
rned from
have lea_____
an experiment.
6th Step: Communicating
• Communicating is
sharing of ideas and
experimental findings
with others through
writing and sp______.
eaking
What is the difference between
Manipulated Variable and
Responding Variable?
• Manipulated Variable:
Type of water that you
give to plants
• Responding Variable:
Height of the plant
Manipulated Variable
(Also known as Independent
Variable)
• The one variable that is purposely
nged in an experiment is called the
cha______
manipulated variable.
Responding Variable
(Also known as Dependent
Variable)
onse
• The factor that may change in resp_____
to the manipulated variable is called the
responding variable
What is the manipulated variable
and responding variable?
• When I lower the light
the crickets chirp
louder
What is the manipulated variable
and responding variable?
• Plants exposed to
rock &amp; roll music grow
taller than plants not
exposed to music
What is the manipulated variable
and responding variable?
• students who have
eaten breakfast score
higher on tests than
students who have
not eaten breakfast.
Control
• A control is part of the experiment to which you
can compare the results of the other tests. In
the control, the conditions are the s____
ame except
for the manipulated variable.
Sugar Water
Water
Operational Definition
• Operational definition
is a statement that
describes how to
mea_____
sure a variable
or define a term. For
example, in the
cricket experiment,
what sound will count
as a single chirp?
1st Semester Pre Test
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