Exploratorium has labs and activities that are easy, reasonably priced, and simple to prepare.
Students can visually study how cells function in our body.
There are awesome pictures and video clips for students to see as they study processes that occur in cells. This is a good starting point for science activities in your classroom. This website allows you to visit different museums throughout the nation and experience science on-line. Zoonet is your source. This is your single entry to zoos all around the United States.