NGSS.MS-PS1-2

Which of the following is NOT an example of chemical change?

• sour milk
• burning wood
• breaking a pencil
• rust

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NGSS.MS-PS1-2

_______________ is an example of both a color change and new substance produced from a chemical change with oxygen and metal.

• shredded paper
• rust (iron oxide)
• wood chips
• melted wax

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NGSS.MS-PS1-2

Which is an example of a chemical change?

• baking a cake
• freezing water
• crushing a can
• breaking an egg

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NGSS.MS-PS1-2

Food color is dropped into water to give it color. 

• Physical Change
• Chemical Change

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NGSS.MS-PS1-2

Potassium chlorate decomposes to potassium chloride and oxygen gas.

• Chemical Change
• Physical Change

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NGSS.MS-PS1-2

Milk Sours

• Chemical Change
• Physical Change

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NGSS.MS-PS1-2

A change that produces one or more new substances is called a ___________ change.

• physical

• chemical

• solution

• weight

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NGSS.MS-PS1-2

Kaida was assigned the task of making a model volcano. To make her volcano erupt, Claudia mixed baking soda and vinegar. When these two substances came in contact with one another they produced bubbles and fizzed making it look like the volcano was erupting. After "erupting" her volcano Claudia's teacher told her that she had created a chemical reaction inside of the volcano. What evidence did Claudia see of a chemical reaction?

• change in color

• gas production

• change in odor

• light production

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NGSS.MS-PS1-2

Which of the following is the best clue that a chemical reaction has taken place?

• Change in color

• Change in state

• Change in particle size

• Change in volume

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NGSS.MS-PS1-2

Which of these is a result of a chemical change?

• A mixture
• A solution
• A new substance
• Melting or freezing

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NGSS.MS-PS1-2