Matter and Energy Quiz 2: Physical Change vs Chemical Reaction

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Tags

NGSS.MS-PS1-2

Is hammering wood together to build a house a chemical or physical change?

• chemical
• physical

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NGSS.MS-PS1-2

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

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NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is bleaching your hair a physical or chemical change?

• physical
• chemical

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NGSS.MS-PS1-2

Is burning wood a chemical or physical change?

• chemical
• physical

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NGSS.MS-PS1-2

A change in the size, shape, or state of matter.

• chemical change
• physical change
• chemical reaction
• electron change

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NGSS.MS-PS1-4

Which of the following is NOT an example of a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• sour milk

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NGSS.MS-PS1-2

Adding baking soda and vinegar together and it fizzes and creates carbon dioxide.

• Chemical
• Physical

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

what is the definition of chemical change?

• any change that results in the formation of new chemical substances. 
• changing clothes
• matter cannot be created or destroyed, only change form
• changes affecting the form of a chemical substance, but not its chemical composition.

Tags

NGSS.MS-PS1-2

what is the definition of physical change?

• any change that results in the formation of new chemical substances. 
• rusting
• changes affecting the form of a chemical substance, but not its chemical composition.
• any property that is measurable, whose value describes a state of a physical system