Swingers
Lifeboats
Flippers
Potpourri
Independent or Dependent?
100
A mass hanging from a fixed point that is free to swing to and fro
What is a pendulum?
100
The greatest amount of fluid something can hold.
What is capacity?
100
This was one of the variables we tested in the flipper experiment.
What is position/angle, object being flipped, length of stick?
100
When you change only one thing at a time, you are conducting this.
What is a controlled experiment?
100
A scientist studies how many days people can eat soup until they get sick. This is the independent variable.
What is the number of days of consuming soup?
200
Any motion or activity that repeats itself.
What is a cycle?
200
The greater the capacity, the ______________ the number of passengers a boat can hold.
What is greater?
200
Between the cork and the rubber stopper, the cork when farther because it had less_________________.
What is mass?
200
This is an estimate based on information or experience. Two-coordinate graphs are useful for making these.
What are predictions?
200
A scientist studies the impact of withholding affection on rats. This is the dependent variable.
What is the reaction of the rats?
300
Anything that you can change in an experiment that might affect the outcome.
What is a variable?
300
This was one of three variables that affected the number of passengers a boat can hold.
What is placement of pennies, water movement, or size of cup?
300
These could be used on the flipper base to control how far you push the flipper down.
What are pennies?
300
This is another word for an educated guess.
What is a hypothesis?
300
You are interested in how stress affects heart rate in humans. This is the independent variable.
What is the amount of stress?
400
This variable affected the number of times a pendulum swung in 15 seconds.
What is length of string?
400
We were able to predict the number of passengers a new boat would hold by using this.
What is a two-coordinate graph?
400
The further out the stick is the less _____________ the object went.
What is distance?
400
On a two-coordinate graph, this is where you would find the independent variable.
What is the x-axis?
400
Researchers want to discover if listening to classical music helps students earn better grades on a math exam. This is the dependent variable.
What are the scores on the math exam?
500
This might be the amount of times a 200 cm pendulum would swing in 15 seconds.
What is 5 seconds?
500
This was the standard size of the first lifeboats we used.
What is 3 cm?
500
Name three of the four objects used in the flipper/catapult system.
What are flipper stick, flipper base, object, craft stick.
500
This is the basic procedure used in a controlled experiment, before changing any of the variables.
What is the standard?
500
Researchers want to know whether first-born children learn to speak at a younger age than second-born children. This is the dependent variable.
What is the age in at which the children learn to speak?
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