10 terms

Variables Review

STUDY
PLAY
variable
anything you can change in an experiment that might affect the outcome
pendulum
a mass hanging from a fixed point that is free to swing to and fro
cycle
a motion or activity that repeats itself
controlled experiment
an investigation in which one, and only one, variable is changed in order to see is there is an effect
standard
a basic procedure used in a controlled experiment, before changing any of the variables
two-coordinate graph
a type of graph that shows the outcome of a series of experiments when a variable is changed by steps
capacity
the greatest amount of fluid a container can hold
independent variable
the one thing that will change in a controlled experiment
dependent variable
what you find out by doing the experiment (you could also call it the outcome)--it is what you will measure
system
a set of objects that is working together