Name: __________________________ Chemical and Physical Changes and Properties Webquest
*****THIS IS UP ON MY WEBSITE UNDER UNIT 2!!!!*****
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/
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3) What is the difference between a chemical and physical property of a substance? 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:
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Water boils at 100 degrees Celcius:__________________
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Diamonds can cut glass: __________________
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Water can be separated by electrolysis into hydrogen and oxygen atoms: __________________
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Sugar dissolves in water: __________________
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Yeast and sugar forms carbon dioxide and ethanol: __________________
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Iron rusts in a damp environment: __________________
5) Give an example of a complex reaction that involves both chemical and physical changes: http://antoine.frostburg.edu/chem/senese/101/matter/faq/physical-chemical.shtml

6) For each of the following links, decide if you are observing a chemical or a physical reaction and justify your answer with AT LEAST 2 reasons. http://www.youtube.com/watch?v=ZQfHF8WvQAo
What 2 Things are reacting?
Chemical or Physical? Why? https://www.youtube.com/watch?v=DITY2rXYU-I
What 2 Things are reacting?
Chemical or Physical? Why? http://www.youtube.com/watch?v=UgWYoDaMYcI&feature=fvst
What 2 Things are reacting?
Chemical or Physical? Why? http://chemed.chem.purdue.edu/demos/main_pages/5.9.html
What 2 Things are reacting?
Chemical or Physical? Why? http://chemed.chem.purdue.edu/demos/main_pages/5.21a.htm
What 2 Things are reacting?
Chemical or Physical? Why?

http://www.youtube.com/watch?v=3zoTKXXNQIU
What 2 Things are reacting?
Chemical or Physical? Why? http://www.youtube.com/watch?v=90VyvOhPmA0&feature=related
What 2 Things are reacting?
Chemical or Physical? Why?
Find your own link:____________________________________________________
What 2 Things are reacting?
Chemical or Physical? Why?
Find your own link:____________________________________________________
What 2 Things are reacting?
Chemical or Physical? Why?
7) Do any of the previous 7 reactions give clues that a chemical reaction has taken place, but are actually just physical reactions? If so, which ones? http://www.quia.com/quiz/303980.html
*** Take the quiz on the website to practice chemical/physical changes/properties, Score: /20