Edcite : https://edcite.com/usr/signin.html?redirect=https%3A%2F%2Fedcite.com%2Fapps%2FStudentHome
Interactive Sites for Education: http://interactivesites.weebly.com/science.html
The Physics Classroom: http://www.physicsclassroom.com/
Ohio Air: http://oh.portal.airast.org/resources/science-spr/