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Bendy ruler
This task is about fair testing.
Question
Ana wants to find out how to bend the ruler to make an object go up as high as she can.
She bends the ruler a lot and flicks a large ball.
She bends the ruler a bit and flicks a small ball.
Photography by Kerry Parker (NZCER)
a) i) Is this a fair test?
(Circle one)
Yes
No
ii) Explain your answer.