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Criterion B is: a) Inquiring and designing b) Knowing and understanding
a) Inquiring and designing
You are asked to design an experiment to: a) test the level of vit c in different fruits b) test the effect of friction on the speed of a toy car
b) test the effect of friction on the speed of a toy car
In this task you are going to: a) fill in a lab sheet b) solve some questions
a) fill in a lab sheet
Which Hypothesis would you choose to write: a) the rough surface will make the car slower. b) If the car rolled on a rough surface then it will be slower because rough surfaces has a lot of friction.
b) If the car rolled on a rough surface then it will be slower because rough surfaces has a lot of friction.
The Independent variable is the variable--------------in every trial a) Observed b) changed
b) changed
The dependent variable is the variable------------------------in every trial. a) measured or observed b) changed
a) measured or observed
In strand 4 you are asked to write: a) materials, procedures and safety precautions b) materials only
a) materials, procedures and safety precautions
Does the texture of the floor’s surface affect the speed of the toy car? this is a testable question. True or False
True
