Kidipede - History for Kids provides some good information about the Middle Ages under the following headings
Medieval Europe - This is an interactive introduction to the Middle Ages. The site allows you to choose your Middle Ages Guide under the headings of:
The Knight's Realm
The Merchant's Realm
The Nun's Realm
The Peasant's Realm
Medieval History (with timeline)
Medieval Environment
Medieval Religion
Medieval Clothing
Medieval People - this page has a couple of good short movie clips about monks and nuns.
Medieval Science
Medieval Language and literature
Medieval Food
Medieval Economy
Medieval Sports and Games
Medieval Art
Medieval Architecture
Medieval Europe - This is an interactive introduction to the Middle Ages. The site allows you to choose your Middle Ages Guide under the headings of:
The Knight's Realm
The Merchant's Realm
The Nun's Realm
The Peasant's Realm