Other
Landforms
The education department of Prince Edward Island has a great page with information pertaining to landforms. Starting with a definition, it then moves to the specific types like valleys, mountains, plateaus, etc.
Math Science Nucleus
Math/science Nucleus: Observing Different Landforms
Lesson plan with subsequent pages to use with the lesson. Images with landform word match up and additional work on earth modeling.
Other
Southern Kings Consolidated School: Loess
This site describes loess in pretty good detail, also adding visual with two pictures. Great source for understanding how loess occurs and where it is found.