Renewable energy

Short cartoons to learn everything about the "Energies". (8-11 years old).
There are 8 chapters :
Chapter 1 : Primary energies (https://youtu.be/b5TMsFgmmn0)
Chapter 2 : Generate electricity (https://youtu.be/pbKwBDkg93s)
Chapter 3 : Oil to gazoline (https://youtu.be/cF33_xrb-oU)
Chapter 4 : Energy over the years (https://youtu.be/vBRRqaDBGBE)
Chapter 5 : Renewable energy (https://youtu.be/1sI_ot8qoXE)
Chapter 6 : Non-renewable energy (https://youtu.be/thdKsEA-llo)
Chapter 7 : Electricity (https://youtu.be/6UUhYjkLL88)
Chapter 8 : Energy management (https://youtu.be/VuEp3-uphP0)