Scientific Method

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

• scientific method
• recipe
• data collection
• metric system

Tags

NGSS.MS-ESS2-5

A testable explanation to a problem that has not yet been tested. (an educated guess)

• data

• theory

• hypothesis

• fact

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

• dependent variable
• independent variable
• data
• control group

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

Tags

CCSS.6.SP.B.5B

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

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

NGSS.MS-PS2-3

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

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

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

Tags

NGSS.MS-LS1-8

Testing a hypothesis often involves a(n):

• answer
• experiment
• problem
• safety check

Tags

NGSS.MS-PS2-5