Activities 6 & 7Activities 6 & 7Follow-upFollow-up

Activity 6 ResultsActivity 6 Results

Activity 7 ResultsActivity 7 Results

Analysis Questions Activity 6Analysis Questions Activity 61.1. After comparing my results to….After comparing my results to….

Mineral oilMineral oil• Clear transparentClear transparent• Not miscible in water or ethanolNot miscible in water or ethanol• Does not contain waterDoes not contain water• Slightly flammableSlightly flammable• Not corrosive or toxicNot corrosive or toxic Iron nitrateIron nitrate• Orange transparentOrange transparent• Miscible in both water and ethanolMiscible in both water and ethanol• Contains waterContains water• Not flammableNot flammable• Is corrosive and toxicIs corrosive and toxic

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

Analysis Activity 7Analysis Activity 71.1. After comparing my results to Table 2, After comparing my results to Table 2,

“Information on Selected Solids”…….“Information on Selected Solids”……. Red squares, black squares and red tubes Red squares, black squares and red tubes

are all are all • Not conductiveNot conductive• Float in waterFloat in water• Sink in ethanolSink in ethanol• Do not react with copper chlorideDo not react with copper chloride

high-density polyethylene (HDPE)high-density polyethylene (HDPE)

1.1. ContinuedContinued The 2 gray cylinders areThe 2 gray cylinders are

ConductiveConductive

Sink in water and ethanolSink in water and ethanol

React with copper chlorideReact 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……..

2.2. We were able to identify ……….We were able to identify ……….

3.3. Of the four tests we performed on each Of the four tests we performed on each solidsolid

the tests for physical properties were…..the tests for physical properties were….. …………..is a chemical property..is a chemical property

4.4. ..

Physical vs. Chemical PropertiesPhysical vs. Chemical Properties

PhysicalPhysical can be observed without a chemical change- can be observed without a chemical change-

you can look, measure or touch you can look, measure or touch Freezing, boiling, melting, and other changes of Freezing, boiling, melting, and other changes of

state state Floating or sinking Floating or sinking Shine (luster)Shine (luster)Magnetic or notMagnetic or notBrittle (breaks) or bendable Brittle (breaks) or bendable ColorColorFrom Activity 6- appearance, ability to mixFrom Activity 6- appearance, ability to mixFrom Activity 7- conductivity, relative density From Activity 7- conductivity, relative density

Chemical PropertiesChemical Properties how a substance changes into different how a substance changes into different

substances through a chemical reaction substances through a chemical reaction FlammabilityFlammabilityReacts: example, rusts or corrodes Reacts: example, rusts or corrodes Change in the presence of another chemical to a Change in the presence of another chemical to a

new substance new substance From Activity 6- pH, test for toxicity (reacts with From Activity 6- pH, test for toxicity (reacts with

potassium solution to make a red solution)potassium solution to make a red solution)From Activity 7- corrosivenessFrom Activity 7- corrosiveness

The Properties SongThe Properties Songby Mr. Edmunds Rocksby Mr. Edmunds Rocks

http://www.youtube.com/watch?v=uJOGy0dgmUU