Particle Diagrams and Separating Mixtures

Which of the following represents a compound?

• Diagram (a)

• Diagram (b)

• Diagram (c)

• None of the diagrams represent a compound.

Tags

NGSS.MS-PS1-1

What type of matter is shown in this particle diagram?

• Compound

• Element

• Mixture of Compounds

• Mixture of Elements and Compounds

Tags

NGSS.MS-PS1-1

What type of matter is shown in this particle diagram?

• Element

• Compound

• Mixture of Elements

• Mixture of Compounds

Tags

NGSS.MS-PS1-1

Consider the diagrams representing particle arrangements. Which correctly matches the diagrams with the three phases of matter?

• A, gas; B, liquid; C, solid

• A, gas; B, solid; C, liquid

• A, solid; B, liquid; C, gas

• D, solid; B, gas; C, liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which statement best describes a gas?

• A gas has particles that are close together but can slide past one another.

• • 
    

    A gas has particles that have large distances between them and move freely.

• A gas has particles that are close together but move freely.

• A gas has particles that have no space between them and do not move.

When substances are combined as a mixture, _______________.

• they keep their physical properties

• their physical properties combine

• their physical properties change

• they lose some of their physical properties

Salt can be separated from water by using

• tweezers

• sieve

• magnet

• evaporation

Tags

NGSS.MS-PS1-4

Which mixture can be separated using a paper filter?

• sand and iron filings

• saltwater

• sand and water

• none of the above

You want to see what colors are all present in a solution. What method would you use?

• chromatography

• flotation

• mangetism

• sifting

Which is the best description of one particle of table salt (NaCl)?

• mixture

• compound

• element

• None of these

Tags

NGSS.MS-PS1-1