Scientific Method

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

• scientific method

• data collection

• recipe

• metric system

Which is NOT a step in the scientific method?

• Make observation

• Collect data

• Form a theory

• Form a hypothesis

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

• data

• theory

• fact

• hypothesis

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

• dependent variable

• independent variable

• control group

• data

Testing a hypothesis often involves a(n):

• answer

• problem

• safety check

• experiment

What is a hypothesis?

• A hypothesis is an educated guess (inference).

• A hypothesis is the right answer to an experiment.

• A hypothesis is the wrong answer to an experiment.

• A hypothesis is the steps in an experiment.

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

• responding variable

• procedures

• conclusion

• materials

The name of the information that you get from your experiment (you organize it into charts and graphs).

• observations conclusion

• data

• hypothesis

• variables

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 music

• The type of liquid

Dependent variable means

• what is being measured

• educated guess

• ask a question

• the scientist controls what to test