For example at World of Life Defense Line subtopic area you will have a chance to learn about how living organisms use camouflage, immune system to protect themselves. Special highlights are watching a real heart and lung surgery happening right on the operating table, searching out sea horses and tree frogs which are under camouflage or playing a medical computer game where you will learn how human immune system fights back against attacking bacteria.
At space exhibition rooms, you can see the exact scaled probes and rockets like Pioneer Venus, Sputnik, Cassini which all are milestones for the human space discovery history.
I would recommend watching several science 3D movies of IMax if you didn't do it yet. There are a fun science experiments section which you can learn online and repeat at home using simple to find materials.
California Science Center offers several education programs and spring camping for kids, families and students.
Youtube California Science Center Presentation Video :