Eruption
andErosion
Sciencetellsadifferentstory.Longago,thelandherebrokeapart.Thiscausedlavatopourfromvolcanoes.Thelavabuiltuplayersof rock.
Astherockcooled,faults,orcracks,appeared.Waterrunningdownthefaultseroded,orworeaway,the land.
Waterfallsareformedasariverflowsfromhardrocktosoft rock.
Therivererodesthesoftrockatafasterrate.Itformsastepinthe river bed.
Thehardrockthatisleftcreatesahardledge.Theriverfallsoverthe ledge.
ThefallsformedwheretheParanáandIguazúriversmeet.WeatheringmovedtheIguazúFallsfar upriver.
Tworiverbedsformed.Fallsformedattheplacewherethesetworiversmet.Aswaterfellintotherivers,itweatheredawayrockonthebottom.Theupperlayerscrumbled.Today,thefallslooklikea staircase.
Brazil
Argentina
Paraná
Iguazú
Paraguay
IntotheRainforest
Waterisjustpartofthebeautyofthefalls.Thisplaceisalsohometomanyspecies.Plants.Mammals.Birds.Reptiles.Amphibians.Somespeciesarefoundnowhereelseinthe world.
blackcapuchin monkey
toucan
Bewareofthecoatis!Theycanbiteyourhandwhentheytrytograbyour food.
AsIwalkedthroughtherainforest,Isawtallpalmtreesandeventallerrosewoods.Isawfruithangingfromsmall trees.
Butterfliesflutteredthroughtheair.Ialsosawatoucaninflightandmonkeysinthetrees.Igotagoodviewofayoungcaiman.Andcoatisseemedtobeeverywhere!Theylooklikeraccoons.Ikeptaneyeoutforjaguars.Theylivehere, too.