Building science simulation in HTML and Java

We are an euducational content creation entity. We cater to the elementary school students. We need a large series of science simulations based on school level science text books. A successful freelancer should have ability to understand school level scientific concept, build simulation under the guidance of our academic head. For examples of expected work can be seen here: [login to view URL] This project is not one off. It is a long term project. So the applicant should be willing to make a long term commitment. Also an applicant is expected to produce a prototype before she can be hired.