Scientific method

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

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

Tags

NGSS.MS-LS1-5

Susan said, “If I fertilize my geranium plants, then they will blossom.”

• recognize a problem

• test the hypothesis with an experiment

• form a hypothesis

• draw conclusions

Johathan’s data showed that household cockroaches moved away from raw cucumber slices.

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

Tags

NGSS.MS-LS2-1

Rene grew bacteria from the mouth on special plates in the laboratory.  She placed drops of different mouthwashes on bacteria on each plate.

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

Tags

NGSS.MS-LS1-5

Dana want to know how different are synthetic fibers from natural fibers.

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

Tags

NGSS.MS-PS1-3

Jose saw bats catching insects after dark.  He asked, “How do bats find insects in the dark?”

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

Arjulia soaked six different kinds of seeds in water for 24 hours.  Then she planted the seeds in soil at a depth of 1 cm.  She used the same amount of water, light, and heat for each kind of seed.

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

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Angela’s experiment proved that earthworms move away from light.

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

Scott said, “If acid rain affects plants in a particular lake, it might affect small animals, such as crayfish, that live in the same water.”

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

What is the correct sequence?

• hypothesis -> theory -> law

• law -> theory -> hypothesis

• theory -> hypothesis -> law

• What are you talking about? There is no sequence!