How to Write a Testable Question. Review: What is a “Testable Question?” A testable question is...

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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 _______________________________________________________________________________________