Innovative Classroom.com has three very interesting and well done thematic unit studies for you:
PEANUTS
You and your students will be surprised to find that peanuts aren’t really nuts at all! This unit on this remarkable legume will teach your students all about the peanuts, starting from the cultivation practices and going to practical uses of the plant. They will learn how to make their own peanut butter and uses for all parts of the peanut plant. Major subject areas are covered, including art, math, history, and language arts. Lots of great material in this 36 page study.
FLIGHT
This unit will take you and your students on a tour through the history of Flight. It starts with the dreams of flight and early ideas proposed and finishes with modern jet aircraft travel. Use this unit to get your kids excited about the science of flight and the mathematics involved in the design of flying machines. 40 pp PDF.
BORNEO
Borneo is the third largest island in the world. Located in the South Pacific, it is made up of lush rainforest and unique habitat areas. This unit covers topics ranging from geography and population to wildlife and climate aspects. There is an emphasis in science and math in this thematic unit, but language arts, art, and other areas are covered as well. 18 pp. PDF.
Click here to go to the download page for all three!