1
Q
pendulum
A
an object swinging on the end of a string, chain or rod
2
Q
oscillation
A
one complete swing of a pendulum
3
Q
period
A
the time taken for one oscillation of a pendulum
4
Q
variables
A
quantities or conditions in an experiment that can change
5
Q
dependent variable
A
a variable that is expected to change when the independent variable is changed. The dependent variable is observed or measured during the experiment
6
Q
independent variable
A
The variable that the scientist changes to observe its effect on another variable
7
Q
Controlled variables
A
A control variable in scientific experimentation is an experimental element which is constant and unchanged throughout the course of the investigation
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