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Science exam

A stack that I'm using to study for my semester science test.

What is a descriptive investigation? It is an investigation where you describe what is observed.
What is a comparative investigation? It is an investigation where you collect data about 2 or more items and compare them.
What is an experimental investigation? It is an investigation where you use variables to test a hypothesis and study the problem.
What is an independent variable (IV)? It is the variable being changed by the scientist.
What is a dependent variable (DV)? It is what changes in response to the IV.
What axis does the IV go on? X
What axis does the DV go on? Y
How do you find density? Mass divided by volume.
Created by: JL3443