Energy:
Use the following links to help you with Potential, Kinetic, and Gravitational energy:
https://phet.colorado.edu/en/simulation/legacy/pendulum-lab
http://www.eduplace.com/kids/hmsc/activities/simulations/gr4/unitf.html
Use the following links to help you with energy forms and transformation of energy:
http://www.harcourtschool.com/activity/science_up_close/615/deploy/interface.swf
Use the following links to help you with Potential, Kinetic, and Gravitational energy:
https://phet.colorado.edu/en/simulation/legacy/pendulum-lab
http://www.eduplace.com/kids/hmsc/activities/simulations/gr4/unitf.html
Use the following links to help you with energy forms and transformation of energy:
http://www.harcourtschool.com/activity/science_up_close/615/deploy/interface.swf