Lauren+Dixon


 * ==**ASSIGNMENT 3: Element Advertisement**==


 * ==**ASSIGNMENT 2: Classification of Matter Flowchart**==

====__Chemical Change: __This image of Alka Seltzer shows Chemical Change because when the tablet is submerged into the water, it produces gas bubbles, thus producing CO2 (Carbon Dioxide). Alka-Seltzer: (Baking soda or sodium bicarbonate) NaHCO3 + Citric acid ---> CO2 + H2O + Sodium Citrate ====
 * ==**ASSIGNMENT 1: Physical and Chemical Properties and Changes**==

[[image:http://www.thirdwayblog.com/images/1600/AlkaSeltzerFizz.jpg]]
====__Physical Change: __This image of the growth of a human shows physical change because growing does not alter the chemical make-up of our bodies but physically, our bodies are changing constantly while we age. ====

[[image:http://pike.extension.psu.edu/Family/TweenTopics/2000/images/height.gif width="160" height="221"]]
====__Chemical Property: __This image of the Statue of Liberty shows a Chemical Property because when the copper underwent weatherization, the brownish color of regular copper turned into a greenish color. ==== "Just as iron that is left unprotected in open air will corrode and form a flaky orange-red outer layer, copper that is exposed to the elements undergoes a series of chemical reactions that give the shiny metal a pale green outer layer called a patina. The patina actually protects the copper below the surface from further corrosion, making it a good water-proofing material for roofs." - //www.livescience.com//

[[image:http://www.tourismjunction.com/images/statue-of-liberty-ny.jpg width="350" height="508"]]
====__Physical Property: __This image of a snowflake shows a physical property because even though the water has changed shape and form, it is still water. If you were to melt a snowflake, or ice, it would turn back into its original state- Water. ====