Variables
What do you call the variable that the scientist changes on purpose?
Independent Variable
What is the first step of the scientific method?
What is a question (or identifying a problem)?
On a standard graph, which axis holds the independent variable?
What is the x-axis (the horizontal line)
– The factor that a researcher measures or tests in an experiment to see how it responds to changes in another factor.
What is the dependent variable
What is the dependent variable for the experiment, "Does color affect how much heat is absorbed?"
What is the amount of heat absorbed
What do you call the variable that is measured or observed as a result?
Dependent Variable
What do you call a testable prediction or an educated guess?
What is a hypothesis
On a standard graph, which axis holds the dependent variable?
What is the y-axis (the vertical line)
What is the part of the experiment that is changed on purpose?
What is the independent variable
What type of graph is graph 3
What is a scatter plot
What do you call the factors in an experiment that are kept the same on purpose so they do not affect the outcome?
What are controlled variables (or constants)?
A scientific hypothesis must be. (two things)
testable and measurable
Use Graph 1 on your lab table to answer the following question. What axis and variable is letter B?
Y-axis and dependent variable
the responding (measurable) variable because it responds to the thing being tested
What is the dependent variable
What is the independent variable on graph 3
What is the average daily temperature
Jason states the following prediction: “As the air temperature increases, the air in a balloon will expand, increasing the circumference of the balloon.”
What is the test variable (independent variable) for an experiment designed to test Jason’s prediction?
air temperature
What is the scientific method?
Step by step process of conducting an experiment
Use graph 1 on your lab table to answer the following question. The flavor of ice cream is the ______ variable.
What is the independent variable
any variable that can change in the experiment but has to stay the same.
What is the controlled variable
What is the dependent variable on graph 2
What is the # of pets sold
A student reads that plants do not grow well under green lights. She wants to know how plants grow under lights of other colors, so she decides to test blue. She makes the hypothesis “if plants are grown under blue lights, then they will grow taller than plants grown under green lights”. What is the test variable (independent variable)
Color of light
What is the final step where you share what you learned with others?
What is communicating/sharing results / your conclusion
Use graph 2 on your lab table. What is the total number of pets sold from Pet Town January, February, March, April, and May?
What is 29
A cow is given a growth hormone and then compared to another cow that was not given a growth hormone. Both cows were weighed at 2 years. What is the INDEPENDENT variable?
What is the growth hormone
What is the independent variable in graph 1A?
What is the type of plant food