Khan Academy Static

For something we use every day, energy is a pretty mysterious concept. Find out what energy is, how it can be converted into useful forms, and why some sources are running low.

18217_Solving_the_storage_problem.html

18215_Solar_power.html

18212_Energy_defined.html

18213_Putting_energy_to_use.html

18211_Growing_appetites_limited_resources.html

18218_Toward_a_smarter_grid.html

18216_Wind_power.html

18214_Never_ending_supply.html