Activity: Dynamic Trolley
Activity: Dynamic Trolley
Embedded Files
Main Idea
Main Idea
A fair test is an experiment where the only thing that changes is the variable being tested.
Objective
Objective
To recognise fair and unfair tests in simple experiments.
Instructions
Instructions
Answer the following questions.
Aim, Hypothesis & Method
Aim, Hypothesis & Method
Questions
Questions
In your own words, write the purpose of the investigation.
What background infromation did students need to know before they wrote the hypothesis for the trolley investigation?
In the trolley investigation, what would you do to make sure these variables remained constant?
Trolley used
Surface pushed on
Distance travelled
Timing
Pushing the trolley
What is the purpose of having a control? Is one needed in the trolley experiment?
Why is a stopwatch used rather than the classroom clock?
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