Matter

A student observed steam rising from the pot of boiling water. The molecules in the

steam are —

• moving very slowly as they rise

• packed tightly and barely moving

• spread apart and moving very fast

• packed tightly and moving a little

Tags

NGSS.MS-PS1-4

A student made the model showing the particles in a solid. To improve the model, the student should-

• put the beads in a square container

• take out some beads so the particles can move more easily

• shake the container gently to show how the particles vibrate

• use different-colored beads to make the particles easier to see

Tags

NGSS.MS-PS1-1

What determines whether matter is a solid, liquid, or gas?

• Speed of atoms or molecules

• color

• number of elements

• smell

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of these shows how frozen water changes as the temperature of the air increases?

• Gas → liquid → solid

• Solid → gas → liquid

• Liquid → gas → solid

• Solid → liquid → gas

Tags

NGSS.MS-PS1-4

The process shown would be classified as —

• precipitation

• condensation

• transpiration

• evaporation

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Mixture or Solution?

• mixture

• solution

Tags

NGSS.5-PS1-3

NGSS.5-PS1-4

Mixture or Solution?

• mixture

• solution

What would be the best and fastest way to separate the salt out of this mixture of saltwater?

• Freeze the saltwater mixture.

• Remove the salt with a syringe

• Put the mixture on a window sill.

• Boil the saltwater mixture

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A student makes a fruit drink by stirring a powdered mix into cold water. Why is the  fruit drink a solution?

• The student stirs the water.

• The water changes color.

• The water is the proper temperature.

• The powder dissolves in the water.

Which picture best completes the chart?

• 
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• 
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Tags

NGSS.MS-PS1-4