VARIABLES
Part of an experiment that changes.
What is a variable?
Information you gather directly from your senses or from measurements using tools.
What are observations?
About the thickness of a dime.
What is 1 mm?
The abbreviation for kilometers.
What is km?
In your paper towel ABSORBENCY experiment, the amount of water each towel absorbed was this variable.
What is the dependent variable?
This is what Mr. Sivel asks you to trust.
What is The Process?
The variable that "I" change when I am the experiementer.
What is the Independent Variable?
A proposed explanation, based on your prior knowledge and logic.
What is an inference?
The width of your pinky fingernail.
What is 1 cm?
The abbreviation for decameters.
What is "dam?"
In your paper towel STRENGTH experiment, the brand of paper towel was this variable.
What is the independent variable?
It's who Mr. Sivel wants you to focus on, and the only person you can actually control (most of the time).
Who is myself?
The variable that you think will change "depending" on the other variables you chose.
What is the Dependent Variable?
In an experiment, it's the statement that says what you predict your results will be.
What is the hypothesis?
The length of one long step or the length of a guitar.
What is 1 m?
75 cm expressed in mm
75 cm = ____________ mm
What is 750 mm?
Adding together values from all trials and dividing by the number of trials.
What is an average?
This is the proper way to enter the classroom and be ready for Science.
What is entering quietly, going to my assigned seat, and getting out something to write with plus anything else Mr. Sivel asks me to have ready?
The parts of an experiment that you keep the same for every trial.
What are constants?
Different values the experimenter sets for an Independent Variable.
What are levels?
The volume of about 20 drops of water.
What is 1 mL / 1 cm^3?
0.67 kg expressed in grams (g).
What is 670 g?
A controlled scenario used to gather information about cause and effect relationships.
What is an experiment?
This phrase describes a small data set or an experiment that was only conducted once, so it doesn't provide very reliable data.
What is "n of 1?" or "n = 1?"
The trial that you must include in order to know your Independent Variable is actually having an effect.
What is a control?
Repeats of the same experiment, used to generate more data for more reliable results.
What are trials?
One gram (g) of water.
What is one cubic centimeter (cm^3) or 1 mL?
The speed of sound (343 m/s) expressed in centimeters per second.
What is 34,300 cm/s?
In your pendulum experiment, it was the research question you were trying to answer in your experiment.
What is, "How do you change the pendulum setup in order to change the time it takes to swing back and forth?"
A classic 1970's punk song about being young and free in Massachusetts, which some say should be made into our official state song.
What is "Roadrunner" by Jonathan Richman and the Modern Lovers?