Physical and Chemical Properties and Changes

Two jars are placed inside an insulated box. One jar contains ice water and the other contains hot soup. What will happen to the two liquids? 

• Both the hot soup and the ice water will gain heat. 
• Both the hot soup and the ice water will lose heat. 
• The hot soup will gain heat, and the ice water will lose heat. 
• The hot soup will lose heat, and the ice water will gain heat.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-3

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? 

• The hot water causes a chemical reaction to take place in the spoon. 
• The hot water heats the air surrounding the upper part of the spoon. 
• The heat from the hot water is conducted to the spoon handle. 
• The hot water causes a physical change in the spoon handle.

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NGSS.MS-PS3-4

NGSS.MS-PS3-3

Paper burning is a __________________ change. 

• physical
• chemical

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Dry ice (solid carbon dioxide) turning into carbon dioxide gas is a 

• physical change
• chemical change

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NGSS.MS-PS1-4

Which of the following occurs when a liquid becomes a gas? 

• The particles give off energy. 
• The particles break away from one another. 
• The particles move closer together. 
• The particles slow down. 

Tags

NGSS.MS-PS1-4

If you poured two liquids (that do not mix completely) into a beaker, how could you tell which one is the densest liquid? 

• The liquid that is floating on top is the densest liquid. 
• The liquid that settles to the bottom is the densest liquid. 
• The liquid with the red color is the densest liquid. 
• There is no way to tell which liquid is densest from the description.

Which of these phrases describes the results of a chemical change? 

• charred wood, ash, and smoke 
• salt dissolving in water 
• gold nuggets melting 
• a dented car door

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

An iron nail rusting is a _______________ change. The ________________ property of reactivity explains the iron’s ability to form a new substance. 

• physical, physical            
• physical, chemical 
• chemical, chemical 
• chemical, physical 

Tags

NGSS.MS-PS1-5

Dissolving Kool-Aid into water is an example of a 

• physical change              
• chemical change

Which of the following is a chemical property of matter? 

• solubility 
• volume 
• density 
• flammability