Experiment
Vocabulary
Mystery
Pendulums
Findings
100
A factor or condition that can affect the outcome of an experiment.
What is variable
100
This is the group getting the treatment. The group where you change one variable and compare it to the control group or standard
What is test group
100
In a controlled experiment how many things can be changed at one time?
What is 1
100
Any motion or activity that repeats itself
What is cycle
100
Which variable made a difference in the number of swings
What is length
200
This group is used to compare other trials or groups where no variables are manipulated or changed.
What is standard
200
All of the variables are controlled except for the ONE you are testing
What is controlled experiment
200
To control variables means to ______________.
What is change one thing at a time.
200
What is a pendulum?
What is A mass hung from a fixed point free to swing back and forth.
200
Is there a relationships between the length and the number of swings?
yes
300
A proposed answer to a scientific question
What is hypothesis
300
Information collected during an experiment to be examined
What is data
300
A grandfather clock uses a pendulum to keep it running on time. Lisa’s grandfather clock is running too slowly all the time. What could she do to the pendulum in her clock so that it will keep time?
What is shorten the pendulum
300
Name two examples of pendulums
grandfather clock, wrecking ball, metronome, swing,
300
What is the relationship between the length of the string and the number of swings in 15 seconds?
What is the longer the less swingers, the shorter the more swings.
400
There is a control group to compare with the tested group
What is fair experiment
400
Tools scientists use to help them make observations, conduct experiments, organize data and analyze data
What is instruments
400
The process to finding the answer to a scientific question.
What is scientific inquiry
400
List three variables that made no difference in the number of swings
What is release point, mass of the bob, materials, tension
400
The _____________ the pendulum, the more swings.
What is shorter
500
This experimental group gets the same treatment except for the variable being tested. Sometimes called or used as the standard
What is control group
500
The variable you are testing. “What did I find out as a result of doing the experiment?”
What is dependent variable
500
The variables you know before the experiment starts. “What did I know BEFORE the experiment started?”
What is independent variable
500
The longer the pendulum the ___________ swings.
What is less/fewer
500
Which of these is not a variable in the pendulum experiment? time of day, length of string, release point, mass at the end of the pendulum
What is time of day
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