Q1- Quiz #1

Examine the particle diagrams. Which diagrams can be classified as elements?

• diagrams 1 and 2

• diagrams 2 and 4

• diagrams 3 and 2

• diagrams 4 and 1

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NGSS.MS-PS1-1

There are many gases in our atmosphere. Which gas is made by combining two different elements?

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Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which structure represents the compound carbon dioxide?

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NGSS.MS-PS1-1

The chart shows a list of formulas. Which substances are compounds?

• 1,2,3,4

• 1,2,3,5

• 2,4,5,6

• 2,3,4,6

Tags

NGSS.MS-PS1-1

Matter can be classified in different ways. What kind of matter is illustrated?

• cell

• compound

• element

• mixture

Tags

NGSS.MS-PS1-1

The image shows the arrangement of atoms in two samples, A and B. Which option identifies them correctly?

• Sample A - element
  Sample B -compound

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  Sample A- compound
  Sample B element

• Sample A - element
  Sample B - mixture

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  Sample A -compound
  Sample B - mixture

Tags

NGSS.MS-PS1-1

A student analyzes two different materials: carbon and sodium chloride. The table below lists their properties.

• Carbon is an element, and sodium chloride is a mixture.

• Carbon is a compound, and sodium chloride is a mixture.

• Carbon is an element, and sodium chloride is a compound.

• Carbon is a homogeneous mixture, and sodium chloride is a heterogeneous mixture.

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NGSS.MS-PS1-1

Water, a stable liquid, is formed when two flammable gases, hydrogen and oxygen, combine. What has happened?

• An atom has been created.

• A compound has been created.

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  A mixture has been created.

• An element has been created.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Examine the structural formulas for three common substances. What scientific concept is illustrated?

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  All substances are composed of water, carbon dioxide, and sugar.

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  All substances are composed of naturally-occurring chemicals.

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  Elements combine in various ways to produce compounds found in living and non-living substances.

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  Compounds combine in various ways to produce elements found in living and non-living substances.

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NGSS.MS-PS1-1

The image shows the atomic arrangements of four different substances. Which are compounds and why?

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  hydrogen because it contains only one kind of atom

• methane because it contains the maximum number of molecules

• water and carbon dioxide because each contains a similar number of molecules

• water, carbon dioxide, and methane because each contains more than one element

Tags

NGSS.MS-PS1-1