Change the type of sports drink - Cows- the things in the investigation that are changed.
Time how long it takes to run up the stairs - Moo- the things in the investigation that are measured.
Plant different types of seeds - Cows- the things in the investigation that are changed.
See how long before the seeds germinate - Moo- the things in the investigation that are measured.
Drop the balls from different heights - Cows- the things in the investigation that are changed.
Find out how far the balls sink into the sand - Moo- the things in the investigation that are measured.
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Correct: Well done! You understand the key processes in a scientific investigation.
Inorrect: Revise the key processes of a scientific investigation and try again.