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

Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted. What did he do?

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

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

A(n) ___________________________ is what you can learn about an object by using your 5 senses.

• Qualitative Observation

• Quantitative Observation

• Inference

• Hypothesis

If I floss more, then I will have fewer cavities. What is the independent variable?

• Number of cavities

• Amount of flossing

• Type of floss used

• Amount of brushing

The dependent variable is

• The variable that you change in an investigation

• The variable that you measure in an investigation

• A variable that you keep the same in an investigation

The independent variable is

• The variable that you change in an investigation

• The variable that you measure in an investigation

• A variable that you keep the same in an investigation

Which of these contains steps in the right order?

• Ask a question, research, state your hypothesis, experiment, analyze, draw a conclusion

• State your hypothesis, ask a question, research, experiment, analyze, draw a conclusion

• State your hypothesis, ask a question, research, draw a conclusion, experiment, analyze

• Ask a question, state your hypothesis, research, experiment, analyze and draw a conclusion, share the results