Listing the Scientific Method
The first step of the scientific method
Make an observation
The variable that the experimenter changes during the experiment
Independent Variable
The hormone estrogen increases the milk yield of dairy cows.
What is the independent variable?
Hormone estrogen
The dependent variable goes on the ______ axis
Y
Fill in the blank:
The _______ depends on the ________.
DV, IV
The last step to the scientific method
Communicate Results
The things that are kept the same
Constant
Drinking energy drinks makes people more aggressive.
List a Constant
Answers may vary, teacher will judge
The independent variable goes on the ______ axis
X
Define Hypothesis
An educated guess
The second step of the scientific method
Ask a question/Have a problem
Fill in the blank:
The _________ may cause the __________ to change.
IV, DV
Spending time with a cat or dog decreases the amount of stress someone is feeling and allows them to perform better on tests.
What is the dependent variable?
Amount of stress someone feels
What should go at the top of your graph
Title
Define:
BIO-
Life
Which step of the scientific method includes testing variables
Conduct an Experiment
Define Dependent Variable
What the experimenter observes or measures
Eating breakfast in the morning increases the ability to learn in school.
List the independent variable and control group
IV:Eating breakfast in the morning
CG: group that does not eat breakfast in the morning
Hypothesis:
The size of a fish tank determines how large a fish will grow:
What would be the label for the X-axis
Fish Tank Sizes
List the control group for the following experiment:
Poking a skunk will always result in the emission of noxious and toxic fumes.
Group that would not poke a skunk
Which step of the scientific method contains graphs
Analyze Results
The thing to compare against to see if the Independent Variable has any affect.
Control Group
A comprehension test was given to students after they had studied textbook material either in silence or with the television turned on.
List the
IV:
DV:
Control Group:
IV: study in silence or with tv on
DV: how well they did on comprehension test
CG: group studying in silence
Experiment:
The number of flowers on different breeds of bushes in a greenhouse is recorded every week for two month.
What would be the label for the Y-axis?
Number of flowers on different breeds of bushes
List (3) possible constants for the following experiment:
Students of different ages were given the same puzzle to assemble. The puzzle time it took to assemble the puzzle was measure.
Answers may vary, teacher will judge