Question

1.17 unit 1 summative: intro to biology
match each description with the correct type of variable below.
the factor the scientist intentionally changes
the factor the scientist observes and measures to see if there is a response and collects data for
factors the scientist keeps the same
= control variable = independent variable = dependent variable

Explanation:

In a scientific experiment, the independent variable is what the scientist intentionally changes. The dependent variable is what the scientist observes and measures for a response. Control variables are kept the same to ensure a fair test.

Answer:

The factor the scientist intentionally changes - Independent variable
The factor the scientist observes and measures to see if there is a response and collects data for - Dependent variable
Factors the scientist keeps the same - Control variable