Experimental Design and Scientific Variables

Any item in an experiment that can change or be changed is called a ____.

The item in an experiment that is being changed on purpose by the person conducting it is called ___ variable.

Think back to the Mythbusters Helium Football experiment. The punter, location of experiment, types of footballs, pressure of gas inside the footballs, weather conditions, and field conditions are all examples of ____ variables.

Think back to the Mythbusters Helium football experiment. The distance traveled by each set of footballs was the ____ variable in this experiment because the Mythbusters were looking to see how far they went when filled with helium (or regular air).

Think back to the Mythbusters Helium football experiment. The distance each helium-filled ball traveled when kicked was then measured. The data collected when these footballs were kicked represents the ____ group.

Conducting a scientific ___ is one way to test the accuracy of a hypothesis.

Data described using only words is called ____.

Think back to the Mythbusters Helium football experiment.The type of gas pumped inside the footballs was the ____ variable in this experiment because the Mythbusters changed it on purpose in order to see if it would affect the distance they traveled.

Match it! Select the correct answer from the pull down...Good luck!