Chemical and Physical Changes and Properties Webquest

*****FIND THE LINKS BELOW ON THE PLANNER!!!*****

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?