NGSS.MS-PS1-2

Physical or chemical change?
sugar is dissolved into hot tea

• Physical
• Chemical

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NGSS.MS-PS1-2

Which is a chemical change?

• freezing fruit juice
• slicing a potato
• boiling water
• copper metal turning green

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NGSS.MS-PS1-2

Is Gatorade powder dissolving in water physical or chemical change?

• Physical 
• Chemical

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NGSS.MS-PS1-2

Which of the following would be evidence that a chemical change has occurred?

• change in size
• change in state
• new substance formed
• change in shape

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NGSS.MS-PS1-2

Dissolving salt is a

• Chemical change

• Physical change

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NGSS.MS-PS1-2

This is an example of...

• Chain reaction

• Fusion reaction

• Decomposition reaction

• Decay

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NGSS.MS-PS1-2

Reactivity (bubbling, fizzing) is a --- property.

• Chemical

• Physical

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NGSS.MS-PS1-2

Which is not a clue that could indicate a chemical change has occurred?

• Change in color

• Change in shape

• Release of energy

• Formation of an odor

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NGSS.MS-PS1-2

Evidence of a chemical reactions is anything that shows - 

• a new substance has formed
• a solid dissolved in a liquid
• interaction between 2 gases
• a change in the state of matter

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NGSS.MS-PS1-2

In this example, what is the evidence a chemical change has occurred?

• volume is increased

• no energy is released

• gas is being released

• a precipitate has formed

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NGSS.MS-PS1-2