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How to Write a How to Write a Testable QuestionTestable QuestionHow to Write a How to Write a
Testable QuestionTestable Question
Review: What is a “Testable Question?”
A testable question is one that can be answered by designing and carrying out an experiment.
Testable Questions have
•A dependent variable.•An independent variable.
(A VARIABLE is something in an experiment that changes)
What is aDependent Variable?
•Something that we will measure in an experiment
What is anIndependent Variable?
•Something that we will change in an experiment
Testable Question
• Does ____________ affect __________________?
The thing we change - independent variable
The thing we measure – dependent variable
Spot the parts of a testable question.
Find :1. The dependent variable – the
thing we would measure.2. The independent variable – the
thing we would change.
Testable Question 1
•Does the height of the ramp affect the speed of the car going down the ramp?
What would you measure?
What would you need to change?
Testable Question 2
•Does changing the amount of light affect how much a plant grows?
What would you measure?
What would you need to change?
Testable Question 3
•Does the temperature of water affect the time it takes a sugar cube to dissolve?
What would you measure?
What would you need to change?
Testable or Not Testable? Review
• Testable Questions need 2 parts– _____________ variable– _____________ variable
Testable Question Format
Does changing _______ affect _______?Independent variable
Dependentvariable
How to make a Testable Question
Step 1: Read the question carefully.
Which type of shoe makes you run faster, Nike or Adidas?
Step 2: Work out what you would change and what you would measure.
Which makes you Nike or Adidas?
brand of shoerun faster,
Step 3: Use the question style:
So the correct testable question looks like…
“Does the brand of shoe affect how fast you can run?”
Does _______ affect _______?
Independent variable
Dependentvariable
Problem 1
Non-Testable:What happens if you wear a
sweatshirt during gym ?
Testable:Does wearing a sweatshirt during
gym affect how warm you get?
Problem 2
Non-Testable:Do children do better at school if
they have lots of tests?
Testable:Does doing tests affect student
success?
Is it Testable?
How does a paper airplane fly?
Let’s Make the Question TESTABLE!
Decide what you are going to measure For example:•Distance the plane will fly•Length of time the plane stays in the air
Make the Question Testable
Now select decide what will be changed.For example:•The paper the plane is made of•The shape of the plane
Make the Question Testable
How does a paper airplane fly?
__________________________________________
__________________________________________
_______________
TICKET TO LEAVE!
Write your own testable question _______________________________________________________________________________________