# Links naar video's

Drempel 1

https://schooltv.nl/video/de-oerknal-het-begin-van-alles/

https://schooltv.nl/video/de-oerknal-hoe-is-het-heelal-ontstaan/#q=de%20oerknal

https://www.youtube.com/watch?v=1nWZV2fKo-I

Drempel 2

https://www.youtube.com/watch?v=I68LYiVd8zU

https://www.youtube.com/watch?v=rGSQS_idhq0

https://www.youtube.com/watch?v=D4bDw1YlyDQ

Drempel 3

https://www.youtube.com/watch?v=Cxuzz7tHfIc

Drempel 4

https://www.youtube.com/watch?v=4lSQE8LCDiU

https://schooltv.nl/video/het-klokhuis-planeet-aarde-het-begin/

https://www.ntr.nl/html/micrio/schooltv/aardlagen/

https://schooltv.nl/video/wat-vertelt-de-grand-canyon-ons-over-het-ontstaan-van-de-aarde-oude-aardlagen-als-een-dagboek-van/

Drempel 5

https://www.youtube.com/watch?v=8lX-VwWSRzk

https://www.youtube.com/watch?v=lnh5NFX4OAU

https://www.youtube.com/watch?v=NPZ2y5tI68Q

Drempel 7

https://www.youtube.com/watch?v=8LvgagMupjs

https://www.youtube.com/watch?v=XyPKb2ZDcC0

Drempel 8

https://www.youtube.com/watch?v=8ysziqFOOXc

https://schooltv.nl/video/histoclips-afl-8-de-industriele-revolutie/