Alzheimer's Disease
BrainPOP
Good place to start since it explains the parts of the brain.
General Information - Alzheimer's Disease Education & Referral Center - ADEAR
General information, treatment and research of Alzheimer's Disease. Scroll down and view The video.
Neuroscience for Kids - Alzheimer's Disease
Excellent page with plenty of information. Perhaps, too much information.
Secrets Of Aging
Has some information on Alzheimer's. Has memory games to play