the water cycle

http://www.sciencekids.co.nz/sciencefacts/weather/thewatercycle.html

https://climatekids.nasa.gov/water-cycle/

GLOBAL WARMING

https://youtu.be/Hkk9zKiR1_o

( questo video vi spiega in itliano che cos'è il global warming )

http://www.behindenergy.com/il-riscaldamento-globale-spiegato-ai-bambini/?lang=en

https://www.natgeokids.com/au/discover/geography/general-geography/what-is-climate-change/

https://www.youtube.com/watch?v=i5KYWrwx25Y

inquesto sito troverai il legame tra water cycle e global warming