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Scientific Method
Variable Question
Identifying Variables
More Variables Please
100

Which variable is being tested in an experiment or what can you control?

Independent Variable

100

Plant #1 was given 5 mL of water daily, Plant #2 was given 10 mL of water daily, Plant #3 was given 15 mL of water daily. After a week, Sam measured the growth of each plant. Name two controlled variables for this experiment.

Type of soil, amount of sunlight, type of plant, etc.

100

Define the dependent variable.

The variable that is measured

100

Plant #1 was given 5 mL of water daily, Plant #2 was given 10 mL of water daily, Plant #3 was given 15 mL of water daily. After a week, Sam measured the growth of each plant. Name the independent variable for this experiment.

The amount of water given

200

Which variable is being affected during the experiment?

The dependant variable

200
Sh'Landria called the NASA center to see if she could find out about astronauts and their low gravity environment. She also went to the library to read about gravity. What step in the scientific method is this?
She was conducting research.
200
Omar and Ny'Erica sleeps 8 hours the night before his science exam. Their sister, Morgan has the same exam and sleeps for 4 hours the night before the test. Afterwards they compare their scores. Identify the dependant variable.
Exam scores
200

Plant #1 was given 5 mL of water daily, Plant #2 was given 10 mL of water daily, Plant #3 was given 15 mL of water daily. After a week, Sam measured the growth of each plant. Name the dependent variable for this experiment.

The height of the plant

300
What do you solve through a scientific experiment?
A scientific Question
300
Mrs. Johnson math class studies for an exam while Mrs. Hepburn class does not. The scores of the two classes are compared. What is the dependant variable?
The test scores
300
Omar and Ny'Erica sleeps 8 hours the night before his science exam. Their sister, Morgan has the same exam and sleeps for 4 hours the night before the test. Afterwards they compare their scores. Identify the Independant variable.
Hours of sleep
300

Mrs. Hart tested the correlation between student test scores and the amount of homework they had to do. Mrs. Hart gave 3rd period 1 hour of homework every night, 4th period 2 hours of homework every night and 5th period 3 hours of homework every night. After a week the students took a 100 question exam. Name the independent variable.

Amount of homework

400
What are the six steps to the scientific method?
1.Ask a Question 2.Form a Hypothesis 3.Modify Hypothesis 4. Experiment 5. Record data 6. Conclusions
400
Mrs. Johnson math class studies for an exam while Mrs. Hepburn class does not. The scores of the two classes are compared. What is the independant variable?
The studying
400
One chicken is injected with a growth hormone while another chicken is not injected. Both chickens are weighed after after a year. Identify the independant variable.
The growth hormone
400

Mrs. Hart tested the correlation between student test scores and the amount of homework they had to do. Mrs. Hart gave 3rd period 1 hour of homework every night, 4th period 2 hours of homework every night and 5th period 3 hours of homework every night. After a week the students took a 100 question exam. Name the dependent variable.

Score on exam

500
An educated guess to what the results of the question will be?
Hypothesis
500
Travon has a wagon of a certain mass. He plans to investigate how the acceleration of the wagon changes as the force he exerts on it increases. In his investigation, explain what the independent variable is.
What is the independant varible? It is the force he exerts on it.
500
One chicken is injected with a growth hormone while another chicken is not injected. Both chickens are weighed after after a year. Identify the Dependant variable.
The weight of the chickens
500

Mrs. Hart tested the correlation between student test scores and the amount of homework they had to do. Mrs. Hart gave 3rd period 1 hour of homework every night, 4th period 2 hours of homework every night and 5th period 3 hours of homework every night. After a week the students took a 100 question exam. Name two controlled variables.

type of homework, questions on the exam, answers may vary