California Science: Student Edition: Grade 3

By Dinah Zike , Dr. Jay K. Hackett , Dr. Richard H. Moyer , Dr. Joanne Vasquez , Mulugheta Teferi , Kathryn LeRoy , Dr. Dorothy J. T. Terman , Dr. Gerald F. Wheeler , Bank Street College of Education (program authors) , Dr. Sally Ride , Lucille Villegas Barrera , Dr. Stephen F. Cunha , American Museum of Natural History (contributing authors) , Ellen Grace (contributing writer)