Name: __________________________ Chemical and Physical Changes and Properties Webquest *****THIS IS UP ON MY BLOG!!!!***** 1) Use the following website to create complete definitions for the following words and answer the questions below: http://www.physlink.com/Education/AskExperts/ae244.cfm http://dl.clackamas.edu/ch104-01/DistChemPhyChange.htm Physical Change- Chemical Change- If you take all of the ingredients necessary to make chocolate chip cookies and bake them in the oven, is it a physical or chemical change? What are 2 criteria that can be used to determine if a physical or chemical change has taken place? Check this out…http://www.mcwdn.org/chemist/pcchange.html What is an endothermic reaction? What is an exothermic reaction? What is a catalyst in a chemical reaction? Give one example. 2) Name at least 6 clues that can be used to determine if a chemical change has taken place. http://www.ric.edu/faculty/ptiskus/chemical/ 1. 2. 3. 4. 5. 6. 3) What is the difference between a chemical and physical property of a substance? http://www.quia.com/quiz/303980.html *** Take the quiz on the website to practice chemical/physical changes/properties, Score: http://www.iun.edu/~cpanhd/C101webnotes/matter-and-energy/properties.html Define Chemical Property- Define Physical Property- 4) List the following as chemical or physical properties of a substance: Water boils at 100 degrees Celcius:__________________ Diamonds can cut glass: __________________ Water can be separated by electrolysis into hydrogen and oxygen atoms: __________________ Sugar dissolves in water: __________________ Yeast and sugar forms carbon dioxide and ethanol: __________________ Iron rusts in a damp environment: __________________ /20