Chemistry 1st hour
https://www.youtube.com/watch?v=4gMhis-7fqs
https://www.youtube.com/watch?v=v8QU_fwuGXQ
https://www.youtube.com/watch?v=lPptuKlCM6k
there are more in this series
Biology 2nd hour
How do new species evolve?
https://youtu.be/rlfNvoyijmo speciation Bozeman
https://youtu.be/udZUaNKXbJA Amoeba Sisters
https://youtu.be/A1PTcS26R2k Elephant evolution
Natural Selection
https://youtu.be/C2vSTifVLOw
Examples of Natural Selection in our world https://youtu.be/S7EhExhXOPQ?t=495
convergent and divergent evolution https://youtu.be/X-XtZyHcck4
Botany 4th hour
Plant hormones and their effects
https://youtu.be/LLe0yqVW7ro part 1
https://youtu.be/FxalKA1xGvU part 2
Plant nutrition and fertilization.
https://youtu.be/zKW85JXqHso What specific nutrients do.
iron absorption https://youtu.be/zKW85JXqHso
good explanation of fertilizers and plant results https://youtu.be/6h8h0LhMtFU
Environental Science 6th and 7th hours
Plant hormones and their effects
https://youtu.be/LLe0yqVW7ro part 1
https://youtu.be/FxalKA1xGvU part 2
Plant nutrition and fertilization.
https://youtu.be/zKW85JXqHso What specific nutrients do.
iron absorption https://youtu.be/zKW85JXqHso
good explanation of fertilizers and plant results https://youtu.be/6h8h0LhMtFU