Types of Investigations

________ are ways scientists perform investigations.

• Scientific methods

• Models

• Investigations

• Experiments

A scientific investigation always begins with a ________________.

• hypothesis
• prediction
• question
• procedure

What type of model would you use to answer: How do different bridge designs react to strong wind?

• make repeated observations
• perform an experiment
• make a model
• draw conclusions

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-4

NGSS.MS-PS2-2

What type of model would you use to answer: How fast does the wind blow where a bridge will be built?

• make repeated observations
• perform an experiment
• make a model
• draw conclusions

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What type of model would you use to answer: Which type of paint works best to keep a bridge from rusting?

• make repeated observations
• perform an experiment
• make a model
• draw conclusions

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Once a scientist has a testable question it is time to ..

• start with a question
• plan an investigation
• investigations differ
• draw conclusions

an investigation in which all the conditions are controlled

• predict
• experiment
• procedure
• model

Tags

NGSS.MS-PS2-5

needed to understand systems that have many hidden parts, used when one cannot experiment with the real thing

• prediction
• experiment
• procedure
• model

Tags

NGSS.MS-LS1-2

any condition in an experiment that can be changed

• procedure
• conclusion
• hypothesis
• variable

the setup to which you will compare all others

• question
• control
• hypothesis
• variable

Tags

NGSS.MS-ETS1-2