NGSS.MS-PS1-2

Which statement is true when acids and bases are mixed together?

• acids become stronger
• bases become stronger
• there is no change
• they neutralize each other

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NGSS.MS-PS1-2

What kind of properties can only be observed when a substance changes into a different substance?

• physical properties
• chemical properties
• liquid properties
• real properties

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NGSS.MS-PS1-2

Doing an experiment to observe a chemical change 

• engineering
• not engineering

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NGSS.MS-PS1-2

Is forming Playdoh into the shape of a snowman a physical or a chemical change?

• Physical Change
• Chemical Change

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NGSS.MS-PS1-2

Is milk going sour a physical or chemical change?

• Physical

• Chemical

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NGSS.MS-PS1-2

A type of chemical weathering in which a substance combines with oxygen, as when iron oxidizes, forming rust.

• Acid rain

• Oxidation

• Reaction to water

• Exfoliation

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NGSS.MS-PS1-2

What happens when a new substance is produced during a reaction?

• chemical change

• physical change

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NGSS.MS-PS1-2

Which of the following is NOT a way to identify a chemical change has occurred?

• Change in color

• Precipitate forming (a solid is formed)

• Temperature changing

• A substance dissolving

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NGSS.MS-PS1-2

Identify what type of change happening in the picture below...

• Chemical Change

• Physical Change

• Endothermic Reaction

• Exothermic Reaction

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NGSS.MS-PS1-2

In the equation shown, what are the product(s)?

• N₂ + H₂

• NH₃

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NGSS.MS-PS1-2