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Testable Questions have: . Testable Questions. a responding variable a manipulated variable . Variables. Manipulated Variable The single condition that will be changed in an experiment. Variables. Responding Variable The condition that will be measured in an experiment. Variables. Contr
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2. Science Project Night Carson Elementary Start with a testable question Inquiry uses Inquiry uses
3. Testable Questions have:
4. Variables Manipulated Variable
The single condition that will be changed in an experiment
5. Variables Responding Variable
The condition that will be measured in an experiment
6. Variables Controlled Variables
The conditions that are kept the same (unchanged) in an experiment
7. Testable Question Does changing the height of the ramp affect the speed of the car going down the ramp?
8. Testable Question #1
Does changing the height of the ramp affect the speed of the car going down the ramp?
9. Testable Question #1
Controlled Variables:
* Same car
* Same ramp surface
* Surface the car roll onto
* etc…
10. Testable Question Does changing the amount of light affect the growth rate of plants?
11. Testable Question #2
Does changing the amount of light affect the growth rate of plants?
12. Testable Question #2 Controlled Variables:
* Same type / size of plant
* Same wattage of bulb
* Same amount of water
* Same soil
* Same environmental conditions
* etc…
13. Testable Question Does the temperature of water affect the time it takes a sugar cube to dissolve?
14.
Does the temperature of water affect the time it takes a sugar cube to dissolve? Testable Question #3
15. Testable Question #3 Controlled Variables:
* Same size of container
* Same amount of water
* Same amount of sugar
* Same dissolving method used
* etc…
16. Testable or Not Testable? Testable Questions need 2 parts
A manipulated variable
A responding variable
17. Testable or Not Testable? Is this a testable question?
How does a paper airplane fly?
No, because there is not a manipulated variable and a responding variable in the question.
18. Make the Question Testable To change the question so it is testable:
First list some variables that you could manipulate that are involved with flight of a paper airplane
wing shape
body shape
type of paper used
19. Make the Question Testable Second, decide what you are going to measure (responding variable). For example:
Distance the plane will fly
Length of time the plane stays in the air
20. Make the Question Testable Now, select one manipulated variable and one responding variable. Put them together to create the testable question. For example:
21. Make the Question Testable
22. Here are some possible sentence starters to create a testable question.
Does changing ________ affect ________?
How does changing _____ affect ______ ?
If I change ______ will it affect _______ ? Testable Question Formats
23. What if it Isn’t Testable? Question: Will a rocket go higher?
Think about variables that could be manipulated (changed)
Examples:
shape of the nosecone
shape of the nozzle
shape of the fins
24. What if it Isn’t Testable? Question: Will a rocket go higher?
What would be measured? (Can it be measured?)
Example:
Height the rocket flies
25. What if it Isn’t Testable? Question: Will a rocket go higher?
Changing our non-testable question to a testable question:
Does changing the shape of the fins affect the height a rocket will fly?
26. What if it Isn’t Testable? Question: Will hairspray move a potato?
What variable could be manipulated? (What could be changed?)
What would be measured? (Can it be measured?)
27. What if it Isn’t Testable? Question: Will hairspray move a potato?
What variable could be manipulated? (What could be changed?)
Examples:
size of potato
brand of hairspray
size of hairspray container
28. What if it Isn’t Testable? Question: Will hairspray move a potato?
What would be measured? (Can it be measured?)
Example:
Distance the potato moves
29. What if it Isn’t Testable? Question: Why is the sky blue?
What variable could be manipulated? (What could be changed?)
What would be measured? (Can it be measured?)
31. Does changing the kind of surface affect how far my ball will roll?
Testable
Does the size of wheels affect how far my toy car moves?
Testable
32. Does laundry detergent make dirty white clothes clean?
Not testable
How does the thickness of insulation affect the temperature in a dog’s house?
Testable
33. Do batteries make flashlights light up?
Not testable
Will the mass of a spaceship affect how fast it falls?
Testable