1.Put the following steps of the scientific method in order of progression.

Analyze results.

Design the experiment.

Revise hypothesis/experiment or find new research.

Make observations and ask questions.

Develop a hypothesis.

Support or Refute hypothesis.

 2.Match the Following Elements of an Experiment





The variable you purposely manipulate.

The variable that is not changed or been manipulated.

Is an explanation to a question that is both testable and tentative.

The variables that are generally kept constant across all groups within an experiment.

3 A scientist testing the effects of a chemical on lettuce yield, sprays a field with the chemical. A second field does not receive the chemical. The amount of lettuce harvested from each field is measured.

What is the hypothesis?

What is the independent variable?

What is the dependent variable?

What is the control group?