Scientific Method

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

• data
• theory
• hypothesis
• fact

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

• scientific method
• recipe
• data collection
• metric system

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

• conclusion
• procedures
• materials
• responding variable

What is the first step in the scientific method?

• Define the Problem or Ask a Question

• Design and conduct an experiment
• Make an hypothesis
• Share your results

Stephen predicted that if an electric current traveled through the soil, then the seeds would grow. Which step is this?

• recognize a problem
• test the hypothesis with an experiment
• form a hypothesis
• draw conclusions  

Bob saw plants growing in water. He decided to talk to a plant expert to learn about plant growth.

• Do some research

• test the hypothesis with an experiment

• form a hypothesis

• draw conclusions

Information you obtain through your senses, such as touch, sound and sight.

• observation
• hypothesis
• question
• conclusion

The information you collect while doing your experiment is called

• conclusions

• data

• hypotheses

• procedures

The independent variable is the ONE thing you _____.

• change on purpose
• control or keep constant
• measure

Why do we want to test one variable at a time?

• Because it is hard to setup a data table with more
• To know what is causing the changes. This helps us understand cause and effect.
• It is what has always been done