Scientific Method

The responding variable. The variable being measured.

Identify the DV: Does listening to music affect test grades?

Educated guess that can be tested. Many times it is in the form of an "If ... then statement."

Descriptive information/observations that are difficult to express as numbers.

The group that receives the independent variable. NOT the control group.

True or False: A scientific theory is a guess.

Identify the IV: A student want to investigate how study time impacts grades.

A series of steps scientists used to investigate a question or problem.

The group which does not get the independent variable; the "normal" conditions; used for comparison

How many variables are tested in a controlled experiment.

The wolf weighed 75 pounds.

The manipulated variable. What you are testing. It goes on the X Axis (horizontal) when graphing.

Which of the following is a testable hypothesis for: What is the affect of calcium on the growth of baby mice?

The wolf seemed nervous and was panting.

A worm grew 3 inches. This is

Observations or data collected by counting or measuring the effect. Numbers.

Identify the Scientific Question or Problem: IV = Acid Rain & DV = Forest Growth

Identify the IV: Does temperature affect heart rate in daphnia?

Conditions that are THE SAME between the control and experimental groups

The responding variable. It's what you measure. It goes on the Y (vertical) axis when graphing.