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Chemical and Physical Changes Review

English 25 Public

7th Grade Science

Study Slideshow

How could we separate a mixture of sand and water?

Filtration

15

Is this an example of a physical or chemical change? Why?

Chemical, light produced

15

What is the photo showing?

Continental drift

15

What is this photo showing?

Erosion

15

Is this an example of a chemical or physical change? Why?

Physical, nothing new is being created. Bubbles are H2O vapor

15

Is this an example of a chemical or physical change? Why?

Physical, it is melting

15

Is this an example of a chemical or physical change? Why?

Physical, melting

15

Is this an example of a chemical or physical change? Why?

Chemical, bubbles with new gas

15

Is this an example of a chemical or physical change? Why?

Chemical, change in color

15

Is this an example of a chemical or physical change? Why?

chemical, change in color

15

Is this an example of a chemical or physical change? Why?

chemical, change in color or change in composition

15

Is this an example of a chemical or physical change? Why?

Physical, no new substance created

15

Is this an example of a chemical or physical change? Why?

Physical, change of state of matter

15

Is this an example of a chemical or physical change? Why?

Chemical, precipitate

15

Is this an example of a chemical or physical change? Why?

chemical, new solid formed

15

Is this an example of a chemical or physical change? Why?

Chemical, burning and light produced

15

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