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Activities 6 & 7 Follow-up. Activity 6 Results Activity 7 Results.

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Presentation on theme: "Activities 6 & 7 Follow-up. Activity 6 Results Activity 7 Results."— Presentation transcript:

1 Activities 6 & 7 Follow-up

2 Activity 6 Results

3 Activity 7 Results

4 Analysis Questions Activity 6 1.After comparing my results to…. Mineral oil Mineral oil Clear transparent Clear transparent Not miscible in water or ethanol Not miscible in water or ethanol Does not contain water Does not contain water Slightly flammable Slightly flammable Not corrosive or toxic Not corrosive or toxic Iron nitrate Iron nitrate Orange transparent Orange transparent Miscible in both water and ethanol Miscible in both water and ethanol Contains water Contains water Not flammable Not flammable Is corrosive and toxic Is corrosive and toxic

5 2.Based on the information in Table 2, Information on Selected Liquids, I would label mineral oil as___________, because……. and iron nitrate as _______________, because………..

6 Analysis Activity 7 1.After comparing my results to Table 2, Information on Selected Solids……. Red squares, black squares and red tubes are all Red squares, black squares and red tubes are all Not conductive Not conductive Float in water Float in water Sink in ethanol Sink in ethanol Do not react with copper chloride Do not react with copper chloride high-density polyethylene (HDPE)

7 1.Continued The 2 gray cylinders are The 2 gray cylinders areConductive Sink in water and ethanol React with copper chloride Based on table 2, ……… Based on table 2, ……… There was not enough ……….. There was not enough ……….. Did not have information on…….. Did not have information on……..

8 2.We were able to identify ………. 3.Of the four tests we performed on each solid the tests for physical properties were….. the tests for physical properties were….. ……..is a chemical property ……..is a chemical property 4..

9 Physical vs. Chemical Properties Physical can be observed without a chemical change- you can look, measure or touch can be observed without a chemical change- you can look, measure or touch Freezing, boiling, melting, and other changes of state Freezing, boiling, melting, and other changes of state Floating or sinking Floating or sinking Shine (luster) Shine (luster) Magnetic or not Magnetic or not Brittle (breaks) or bendable Brittle (breaks) or bendable Color Color From Activity 6- appearance, ability to mix From Activity 6- appearance, ability to mix From Activity 7- conductivity, relative density From Activity 7- conductivity, relative density

10 Chemical Properties how a substance changes into different substances through a chemical reaction how a substance changes into different substances through a chemical reaction Flammability Flammability Reacts: example, rusts or corrodes Reacts: example, rusts or corrodes Change in the presence of another chemical to a new substance Change in the presence of another chemical to a new substance From Activity 6- pH, test for toxicity (reacts with potassium solution to make a red solution) From Activity 6- pH, test for toxicity (reacts with potassium solution to make a red solution) From Activity 7- corrosiveness From Activity 7- corrosiveness

11 The Properties Song by Mr. Edmunds Rocks mUU mUU


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