"Know the number", please click the following link.

http://www.dbcca.com/dbcca/EN/;jsessionid=A9D5DDD87D244A9D59C808D8DC0E0451.internet1

A project by HKEdCity:
http://edblog.hkedcity.net/scitubechemistry/

Five interesting video clips with worksheets are used to introduce different chemistry concepts.  It is good for visual learners.

Topic:

1. Plastic and Polymerisation

2. Removing colours using chlorine

3. Reactive fluorine

4. Halogens react with iron

5. Comparing alkali metals

請看以下影片，再選出哪個是最省力的方法？

The use of online CAL in the learning or revision is suitable for the students’ self learning in this era. This great site by Darrell J. Woodman, Professor of Department of Chemistry, University of Washington is suitable for assigning task for student self learing or revision of orgainc chemistry.

http://depts.washington.edu/woodmand/webExHome.html

It contain a lot of activities like,

• Interactive Exercises
• Nomenclature Study Aids
• Reaction Mechanism Practice
• Reagents/Reaction Patterns Drill

使用快接儀器方法錄影片段
How to use quickfit apparatus

Video clip

Content:
Sealing a quickfit joint by lubricant; equipment for distillation; assembling the quickfit; Transferring chemicals to reaction flask; placing thermometer bulb in the correct position; setting up a water condenser; using a T-shape adapter; adding anti-bumping granules before heating; adjusting the rate of heating; other methods of heating; dismantling quickfit apparatus.

 http://resources.edb.gov.hk/~science/naming/intro.htm