Something that you can change in an experiment that may affect the outcome
What is a variable?
100
The length of our standard pendulum
What is 38 cm?
100
The number of boats in our fleet (excluding our standards)
What is 4?
100
The ratio of mass per volume
What is density?
100
Another name for the vertical axis
What is the Y-axis?
200
The basic procedure used in a controlled experiment, before changing any of the variables.
What is a standard?
200
Any motion or activity that repeats itself
What is a cycle?
200
The maximum amount of liquid a container can hold
What is capacity?
200
The amount of space something takes up
What is volume?
200
Drawn through our data on a graph, this allows us to predict information.
What is a trend line?
300
An experiment in which one and only variable is changed in order to assess the outcome
What is a controlled experiment?
300
A mass hanging from a fixed point that is free to swing to and fro.
What is a pendulum?
300
The two variables we graphed
What is capacity and the number of passengers a boat can hold?
300
1.0 g/cc
What is the density of pure water?
300
Helps organize our data and shows the relationship between two variables.
What is a graph?
400
The variable that we know before we conduct our experiment
What is the independent variable?
400
The relationship between length of the string and the number of swings in 15 seconds.
What is the shorter the string, the more swings in 15 seconds?
400
One person places passengers; all boats, all trials; place passengers gently and evenly; don't make waves; fill the ocean to the line; place one passenger in the boat at a time
What is standard loading procedure?
400
This determines whether an object will sink or float
What is the object's density?
400
Another name for the horizontal axis
What is the X-axis?
500
The variable that we learn during the experiment.
What is the dependent variable?
500
The most common pendulum in the real world
What is a grandfather clock?
500
The relationship between the capacity and the number of passengers a boat can hold
What is the bigger the boat, the more passengers it can hold?
500
The variable that affects the number of passengers a boat can hold
What is volume (or size)?
500
This shows the outcome of series of experiments when a variable is changed by steps.