FOSS Mixtures and Solutions Investigation 2 Review

Which of the following are true about models?

• must be built to look exactly like the real thing
• used to communicate information
• Once described, stay the same over time.
• Must be smaller than the object they represent.

Tags

NGSS.HS-ETS1-4

NGSS.HS-LS1-2

Which of the following are true about models?

• Can be used to test a system
• Can be communicated through drawings only
• Once described, stay the same over time.
• Must be smaller than the object they represent.

Tags

NGSS.HS-ETS1-4

NGSS.HS-ETS1-2

Which of the following are true about models?

• Can be unhelpful
• Can be communicated through words and drawings
• Once described, stay the same over time.
• Must be smaller than the object they represent.

Tags

NGSS.HS-ETS1-4

What's the first step a scientist or engineer would do to develop a model.

• Analyze or test the model
• Construct the model
• Revise the model if needed
• Make observations of a system or event.

What's the second step a scientist or engineer would do to develop a model.

• Analyze or test the model
• Construct the model
• Revise the model if needed
• Make observations of a system or event.

What's the third step a scientist or engineer would do to develop a model.

• Analyze or test the model
• Construct the model
• Revise the model if needed
• Make observations of a system or event.

What's the final step a scientist or engineer would do to develop a model.

• Analyze or test the model
• Construct the model
• Revise the model if needed
• Make observations of a system or event.

Expands to fill its container

• solid
• liquid
• gas

Has a fixed shape and fixed volume.

• solid
• liquid
• gas

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

Takes the shape of its container, but has a fixed volume

• solid
• liquid
• gas

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3