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Level 74

## Ignore words

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Variable
an alphabetic character representing a number, called the value, which is either arbitrary or not fully specified or unknown. It is usually a letter like x or y.
standard (control)
anything taken as a basis of comparison
controlled experiment
an experiment where variables are kept the same except the one variable being tested
data
A collection of information gathered for a purpose. Data may be in the form of either words or numbers.
results
something that happens as a consequence; an outcome
independent variable
the tested varaible
dependent variable
the measure of change in the independent variable
constant variable
all the variables that are kept the same in all the tests of an experiment
observation
information gathered by the senses or through scientific measurement
Scientific Method
an orderly way to conduct science experiments
State the Question (Problem)
What we want to find.
Background Information
research o the topic or problem
hypothesis
an educated guess
Test or Experiment
Collect Data
Analyze Results
finding the average (or other statistical landmarks) of your data
Conclusion
Tells if your hypothesis was correct; supported or not supported
Standard
A procedure used in a controlled experiment before changing any of the variables.
Controlled Variable
A variable that is the same for kept constant.
volume
measures the amount of space taken up by the object.
capacity
the amount a container can hold
Displacement
Fluid being pushed back out of the way by an object and talking its place.
System
A collection of objects that are related some way.
pendulum
Weight on a string swinging away and back.
cycle
Any motion that repeats itself.
Catapult
A lever arm loaded with energy
Projectile
anything that can be flung or thrown
Calibrate
to mark an instrument with precise measurements
Compensate Variables
To manipulate variables in an experiment to achieve a desire outcome.
fixed point
object that supports the pendulum
shorter
The _____________________________ the length of the swinger the higher the number of cycles.
longer
The _____________________________ the length of the swinger the shorter the number of cycles.
No
Is weight a variable with the swinger system?
No
Is release position a variable with the swinger system?
Yes
Is the length of the string a variable with the swinger system?
Mass
measure of the amount of matter in an object
Accurate
ABCD's of Scientific Drawing, what does "A" stand for?
Big
ABCD's of Scientific Drawing, what does "B" stand for?
Colorful
ABCD's of Scientific Drawing, what does "C" stand for?
Detailed
ABCD's of Scientific Drawing, what does "D" stand for?
Experiment
an organized procedure for testing a hypothesis.