Scientific Method

What is the first step in the scientific method?

• Make an observation --> Question

• Design and conduct an experiment

• Make an hypothesis

• Share your results

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

• conclusion

• procedures

• materials

• responding variable

A testable prediction about a scientific investigation is a(n)

• Question

• Observation

• Hypothesis

• Experiment

Susan said, “If I fertilize my geranium plants, then they will have more flowers.”

• recognize a problem

• test the hypothesis with an experiment

• form a hypothesis

• draw conclusions

Bob read about growing plants in water. He wanted to know how plants could grow without soil.

• coming up with a question

• 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

What is the last step of scientific method?

• hypothesis

• observe

• communicate

• question

Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?

• Type of gasoline

• which car the gas is put into

• how fast the car can drive

• how much gas is put into the car

Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp.  Identify the independent variable.

• distance traveled by the ball

• height of the ramp

• mass of the ball

• weight of the ball

Research question: does the distance a person kicks a soccer ball effect how well they will do on their math test.  What is the dependent variable?

• How far they kick the soccer ball

• who the person is

• how well they do on the math test

• Type of soccer ball.