Variables Concepts

Primary

Concepts

1. Results can be changed by changing what and how objects interact.

Intermediate

Concepts

1. Variables are conditions that change.
2. Variables need to be controlled for an experiment to be a fair comparison.
3. A controlled experiment is one with all the conditions (variables) the same except the one that is being tested.

Middle School

Concepts

1. Identifying, selecting, controlling, and manipulating variables is central to experimentation.