Test prep i can name the steps of the scientific method i can explain the difference between an independent and dependent variable i can differentiate between observation and inference i can calculate the mean median and mode of a data set i can read a meniscus of a graduated cylinder. Scientific method study guide answer key using the picture below create observations inferences and predictions observations are things you notice with your senses inferences are conclusions you draw based on your observations predictions are what you think will happen next observations inferences predictions. The scientific method homework and study guide teacher answer key define the following terms 1 data the information gathered from making observations 2 independent variable the variable that is deliberately changed by the scientist 3 dependent variable the variable observed during the experiment it is the data collected as a result of. You will receive the following in this packet a scientific method test and answer key review questions and answer key the scientific method test is short answer and fill in the blank questions the following topics are covered on the test the steps to the scientific method classification the tools scientists use identifying the following in a scenario control group experimental group