Scientific Method Review

What is NOT an example of qualitative data?

• the average high daily temperature for the month of july

• the names of chemicals found in breakfast cereal

• the zip codes in which each high school student resides

• types of shoes worn by pedestrians on a city street 

How does the control group differ from an experimental group in a scientific experiment?

• the control group does not contain the experimental data, whereas the experimental group does

• the control group does not contain the experimental variable, whereas the experimental group does not

• the control group is not tested or measured

• the control group contains more than one experimental variable

The variable that is measured in the experiment is-

• the dependent variable

• the independent variable

• the control variable

• the hypothetical variable

Which of the following must be done for the results of an experiment to be considered valid?

• the experiment must be repeated numerous times and the same results are obtained

• the results must be published in a national journal

• the results must be shown in a graph

• the results must be only quantitative

Dilcia wants to know how drinking milk affects how tall a Monica grows. Which is the independent variable?

• Monica's growth

• drinking milk

Ramone wants to know: does the distance a person kicks a soccer ball effect how well they will do on their math test.  What is the dependent variable?

• How far they kick the soccer ball

• who the person is

• how well they do on the math test

• Type of soccer ball.

What is the INDEPENDENT variable? You are testing which type of paper airplane goes furthest?

• the paper used

• the type of paper airplane

• the distance of each plane's flight

• how hard the plane is thrown

Does the flavor of ice cream effect how fast the ice cream melts? The flavor of ice cream is the....

• independent variable

• dependent variable

How does increasing the slope of a ramp affect how far a marble travels? Increasing the slope is the...

• independent variable

• dependent variable

How does watching TV during studying affect a student’s test grades? Student's grades are the....

• independent variable

• dependent variable