In this task you are going to: a) fill in a lab sheet b) solve some questions

Criterion B is: a) Inquiring and designing b) Knowing and understanding

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

In strand 4 you are asked to write: a) materials, procedures and safety precautions b) materials only

Does the texture of the floor’s surface affect the speed of the toy car? this is a testable question. True or False

The Independent variable is the variable--------------in every trial a) Observed b) changed

The dependent variable is the variable------------------------in every trial. a) measured or observed b) changed

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.