Ideas are like rabbits.
You get a couple and learn how to handle them,
and pretty soon you have a dozen.
Steinbeck
Science
Reinvent the Wheel/Build a Better Mouse Trap : make classic inventions, discover your problem-solving genius. Hands on science fun!
Tools of Navigation : a kids guide to the history and Science of finding your way, good for 4th - 6th grades.
Ancient Science : time traveling, world exploring, history making activities for kids. Explores inventions from ancient Egypt, Greece, Rome, China, and the & the New World.
The Ocean Book : aquarium and seaside activities and ideas for all ages. From the center for Marine Conservation center.
History
A trip around the world : visit different countries and learn a little about their culture.
Evan-Moor has many History Pockets that are perfect for a co-op setting, such as:
Moving West 4th-6th grade
Life in Plymouth Colony 1st-3rd grade
Ancient Civilizations 1st-3rd grade
Daily Life at the time of Jesus : history and crafts for any bible student.
Language Arts
Fun with Grammar : activities and games that reinforce parts of speech.
Poetry for Children: read some, memorize some, write some!
Electives
Lives of the Musicians
Meet the Great Composers : short sessions on the lives, times and music of the great composers.
Keeping a Nature Journal : anyone with art skills, we need you!!