Energy
HS-PS3-2: Develop and use models to illustrate that energy at the macroscopic scale can be accounted for as a combination of energy associated with the motions of particles (objects) and energy associated with the relative positions of particles.
HS-PS3-3 : Design, build, and refine a device that works within given constraints to convert one form of energy into another form of energy.
As we transition into the NGSS standards some of you may find you have some major gaps in your science knowledge. To help with this here are some videos that will quickly take you from elementary to high school levels of what you should know.