Totten - Variables, Observations, Inferences

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

A factor that can change in an experiment.

Which is a good INFERENCE for these observations? You see marching bands, fire trucks, kids in a group doing cartwheels down the main street of town.

A possible explanation for a set of observations or answer to a scientific question.

What is the Independent variable in this hypothesis? IF students go to bed by 9 PM, THEN their test scores will increase.

In an experiment, the one variable that you change to see if it CAUSES something to happen.

facts, figures, and other evidence gathered through observations

What is the independent variable in this hypothesis? IF teachers give homework time in class, THEN the # of completed assignments will increase.

In an Experiment, the variables you keep the SAME for all groups.