Welcome to your B5 Quiz 0.2 – Research and Fair Testing
3.
A fair test only changes one thing at a time.
5.
What is the dependent variable in an investigation?
7.
Variables that must stay the same in a fair test are called controlled variables.
9.
Why do scientists repeat their measurements?
11.
Secondary research means carrying out your own experiment.
13.
What should you do after collecting your results?
15.
A good scientific investigation only needs to be done once to be reliable.