Use investigations of chemical and physical changes to describe the Law of Conservation of Mass 0807.9.11

Links verified 9/21/2014

1. Law of Conservation of Mass - explanation from Wikipedia
2. Law of Conservation of Mass - a 50 second video posted at YouTube
3. Physical and Chemical Changes
   1. A Closer Look: Chemical vs. Physical Change - from Annenberg media
   2. Changing States: Does it Matter? - a lab worksheet to use in your classroom
   3. Chemical and Physical Change Lab - a Flash video presentation which requires students to answer questions
   4. Chemical and Physical Changes - understanding changes in matter
   5. Chemical Change vs. Physical Change - explanation from ChemWiki at U C Davis; a large number of good images help explain the differences
   6. The difference between chemical and physical changes (from Chem4Kids)
   7. How are Physical and Chemical Changes Distinguished? - a virtual lab from Glencoe
   8. Key Concepts: Chemical vs Physical Changes; Elements vs. Compounds - sample questions and two good concept maps
   9. Multiple Choice Test on Physical and Chemical Properties and Changes [This expired link is available through the Wayback Machine Internet Archive. If the page doesn't load quickly click on Impatient? at the bottom right of the page.]
   10. Physical and Chemical Change - quiz in the form of a PowerPoint show using action buttons
   11. Physical and Chemical Change Worksheet -
   12. Physical and Chemical Changes - explanation with good images plus a short video
   13. Physical and Chemical Changes - explanation followed by a five-question quiz
   14. Physical and Chemical Changes of Matter - a Study Jams video plus a quiz
   15. Physical or Chemical Properties or Changes - worksheet to print
   16. Physical or Chemical Change? - Determine if each is a physical or chemical change. (a Quia quiz)
   17. Physical or Chemical Change? - test your knowledge with this ten question quiz
   18. Physical and Chemical changes quiz - five true-false questions
   19. Physical vs Chemical Change - an interactive lesson (click Next to begin) [This expired link is available through the Wayback Machine Internet Archive. If the page doesn't load quickly click on Impatient? at the bottom right of the page.]
   20. Physical vs Chemical Change - flashcards from Quia
   21. Review and Practice on Chemical vs. Physical Properties and Changes - ten questions on properties and five questions on changes [This expired link is available through the Wayback Machine Internet Archive. If the page doesn't load quickly click on Impatient? at the bottom right of the page.]
   22. What is the difference between chemical and physical change? - from General Chemistry Online
   23. Worksheet on Physical vs Chemical Change
   24. Worksheet: Physical and Chemical Changes - answers available

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