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Variables Unit
definitons from Variables unit
10
Science
5th Grade
07/21/2006

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Term
Variable
Definition
Anything in an experiment that you can change that might affect the outcome.
Term
System
Definition
A set of objects working together to perform a function.
Term
Pendulum
Definition
A mass hanging from a fixed point that is free to swing back and forth. [image]
Term
Cycle
Definition
Any motion that repeats itself.
Term
Controlled Experiment
Definition
An experiment in which one, and only one, variable is changed at a time.
Term
A grandfather clock is keeping time too quickly. What would you do to adjust it?
Definition
Lengthen the pendulum. [image]
Term
What variable had the most effect on changing how many cycles a pendulum had in 15 seconds?
Definition
The length of the pendulum.
Term
Name three variables that we tested in our pendulum experiment.
Definition
1. Weight of bob
2. Length of string
3. Release position
Term
Name three variables that might have affected how many passengers our lifeboats could hold.
Definition
1. Condition of water 2. Distribution of pennies 3. Gentle vs. reckless placement of pennies[image]
Term
Name at least three variables that could have affected how far our gliders could fly.
Definition
1. Number of passengers
2. Type of flightline used.
3. Size of rubberband
4. Wing span
5. Angle of flight line
6. Type of flight line
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