scientific 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: 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

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

Types of models

• physical, emotional, diagrams
• computer simulated, physical, experiment
• two dimensional, physical, experiment
• physical, computer simulated, diagrams

Tags

NGSS.MS-ETS1-4

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

• too many procedures
• too many experiments
• too many variables
• too many controls