Acid and Alkali revision

Dear Students,
Follow the given links to see power point presentation and do some quiz about it to revise and reinforce the topic.
For Quiz:
http://www.darvill.clara.net/multichoice/7eAcidsAlkalis.htm
http://lgfl.skoool.co.uk/viewdetails_KS3.aspx?ID=529
http://www.scibermonkey.org/unit.htm?un=7E
http://www.docbrown.info/ks3chemistry/7EmcHP6.htm
http://www.docbrown.info/ks3chemistry/7EmcHP6.htm
http://www.bbc.co.uk/apps/ifl/schools/ks3bitesize/science/quizengine?quiz=acids&templateStyle=science

For Crossword:
http://www.ntscience.co.uk/science-crossword/7e-acids-alkalis-crossword.pdf

For you tube video:
http://www.authorstream.com/Presentation/Penelope-44661-7E-Acids-Alkalis-facts-Working-safely-Hazard-signs-learn-Detecting-and-al-Education-ppt-powerpoint/

For extension questions:
http://science-interactive.co.uk/website%20content%2007/7A%20to%209L%20Assessment%20for%20learning%201/Year%207%20assesment%20for%20learning/7E.pdf

For  learning, revision, and then test:
http://lgfl.skoool.co.uk/content/keystage3/chemistry/pc/learningsteps/ENRLC/launch.html