Scientific Method

A series of steps used by scientists to solve a problem or answer a question.

• scientific method

• recipe

• data collection

Which is NOT a step in the scientific method?

• Make observation

• Form a theory

• Form a hypothesis

A testable explanation to a problem that has not yet been tested.

• data

• theory

• hypothesis

This variable in an experiment is the one being changed by the scientist.

• dependent variable

• independent variable

• data

Testing a hypothesis often involves a(n):

• answer

• experiment

• problem

The summary at the end of an experiment that explains the results.

• conclusion

• procedures

• responding variable

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant

• The amount of sunlight

• The type of liquid

Dependent variable means

• the scientist controls what to test

• educated guess

• what is being measured

If you increase the amount of spinach you eat, then you will increase the iron in your blood. 
What's the dependent variable?

• increase the amount of iron in your blood
• spinach you eat

What is the first step in the scientific method?

• Ask a question

• Conclusion

• Observe