Developing a question using variables
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Developing a Question Using Variables . Created by Marcie Griffith 2012. Research questions are are framed around the possible relationship between an independent and dependent variable. . Independent Variable. Variable I will manipulate (change) in the experiment

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Developing a question using variables

Developing a Question Using Variables

Created by Marcie Griffith 2012


Developing a question using variables

Research questions are are framed around the possible relationship between an independent and dependent variable.


Independent variable

Independent Variable

  • Variable I will manipulate (change) in the experiment

  • Only 1 independent variable allowed


Dependent variable

Dependent Variable

  • What I will measure

  • Data I will record

  • The result DEPENDS on my independent variable


Posing your question

Posing Your Question

What happens to ____________ when we

(Dependent Variable)

change ____________________?

(Independent Variable)

OR

How does ___________________ affect

(Independent Variable)_________________?

(Dependent Variable)


Let s practice

Let’s Practice!


Observation handball court

Observation- Handball Court

I noticed that students who won the most handball games, were those who could bounce the ball over their opponent’s head.


Let s apply the scientific method to help my answer my question

Let’s apply the scientific method to help my answer my question

This made me wonder…

How much does the ball have to do with the bounce height?


Developing a question using variables

Research questions are written in the form of a question about the possible relationship between an independent and dependent variable.


Developing a question using variables

Research questions are written in the form of a question about the possible relationship between an independent and dependent variable.


Developing a question using variables

Research questions are written in the form of a question about the possible relationship between an independent and dependent variable.

ONLY 1 Independent Variable Allowed!


Developing a question using variables

Research questions are written in the form of a question about the possible relationship between an independent and dependent variable.


Developing a question using variables

Research questions are written in the form of a question about the possible relationship between an independent and dependent variable.


Developing a question using variables

What happens to bounce heightwhen we change the color of the ball?

OR

How does ball coloraffect bounce height?


Head s together

Head’s Together!

  • What is the independent variable?

  • What is the dependent variable?


Controlled variables

Controlled Variables


Controlled variables1

Controlled Variables


Controlled variables2

Controlled Variables

What’s wrong here?

15 ft

Drop Height

10 ft

Drop Height

How might this impact our experiment?


Controlled variables3

Controlled Variables

What’s wrong here?

15 ft

Drop Height

15 ft

Drop Height

What variable might this

scenario test?


Controlled variables4

Controlled Variables

15 ft

Drop Height

15 ft

Drop Height

What variable might this

Scenario test?


Controlled variables5

Controlled Variables

How many times should I repeat the measurement?

15 ft

Drop Height

15 ft

Drop Height


Continuing the experiment

Continuing the Experiment

  • Conduct Experiment

  • Take Multiple Measurements

  • Represent Data

  • Interpret Data & Draw Conclusions

  • Future Research/Next Steps

  • Share Findings


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