PCCL | INTERACTIVE PHYSICS SIMULATIONS | Physics and Chemistry by a Clear Learning : free interactive physics animations | online learning for sciences | Educational support in interactive flash animations in the physical sciences and chemistry in High School, Midle School, Upper School, Secondary School and Academy in the form of exercises corrected, MCQ, courses in chemistry, electricity, optics and mechanics for sciences classroom. FREE. Fun for teens. There are video tutorials for beginners in flash. The programme of physical sciences is treated with rigor but the proposed activities are fun so that students discover or trains having fun. Free & interactive teaching for courses. Corrected exercises.