NGSS.MS-PS1-2

To go back to the substances original states is not possible or you would need to use chemicals. 

• Chemical
• Physical

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NGSS.MS-PS1-2

A student observes four actions, as described in the table.

Which actions are physical changes?

• A. P and Q

• B. Q and R

• C. R and S

• D. S and P

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NGSS.MS-PS1-2

Gastric Juices turn dark red when tested on litmus paper. What does these data indicate about gastric juice?

• It is very acidic

• It is very basic

• It is neutral

• It is dark red

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NGSS.MS-PS1-2

Which of the following are examples of a Chemical Change?

• Iron Rusting

• Gas Burning

• Breaking a glass

• Boiling water

• Burning Wood

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NGSS.MS-PS1-2

Which of the following is an example of a chemical change occurring?

• Tearing a piece of paper

• Grinding something into powder

• Glass breaking

• The leaves changing color in fall

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NGSS.MS-PS1-2

Iron³⁺ combined with Oxygen gas, will form Iron (III) Oxide. This chemical is commonly found in metal that has been oxidized, giving a reddish orange color known as ________.

• Dust

• Glass

• Luster

• Rust

Tags

NGSS.MS-PS1-2

Lighting a match is a...

• Physical Change

• Chemical Change

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NGSS.MS-PS1-2

A substance is found to have the following characteristics:

Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water

In what category would the substance be classified?

• acid

• base

• enzyme

• fatty acid

Tags

NGSS.MS-PS1-2

A precipitate is a ___________ that forms when 2 liquids react together.

• solid

• liquid

• gas

• plasma

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NGSS.MS-PS1-2

A change that produces one or more new substances.

• Mixture

• Compound

• Physical Change

• Chemical Reaction

• Pure Substance

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NGSS.MS-PS1-2