Whatdoyoustudy?
Iamlookingforsignsoftsunamisalong coastlines.
Tsunamisarelargeandpowerfuloceanwaves.Theygrowinsizeastheyreachtheshore.Theyareoftencausedbyearthquakes.Theycanfloodcities.Goodmanstudiedsignsofanancienttsunamiin Israel.
underwaterruinsin Israel
Goodmancollectssedimentsina bag.
Whatwereyoulookingfor?
Weneededtofindcluesthattsunamishappenedhereinthepast.Wedidn’thaveproofonland.Oneproblemisthatacoastlinehasalotofsand,shells,andgravel.Atsunamideposithasthesamethings!Whenyoulookatthelayers,itishardtobesureiftheycamefromatsunami.Weusedawaterdredge.It’slikeavacuum cleaner.
Whatdidyoufind?
Wefoundmaterialsthatcamefromthedeepsea.Wealsofoundmaterialsfromtheshallowseaandbeach.Weevenfoundmaterialsthatcamefromland.There’sonlyonethingthatcouldhavecausedthesethingstobemixedtogether.Wehadclearproofofa tsunami!
Theteamthenlinkedthismixofmaterialswithwhattheyknewaboutthe past.
Weresearchedthepast.Welookedforwrittenaccountsofbigwaves.Wefoundsome.Theycamefromthesametimeasthemixtureofmaterials.Thisdiscoverywasimportant.Itprovedthatthewrittenrecordsweredescribingactual tsunamis.
Goodmanshowsstudentswhattheinsideofacoresamplelooks like.
Goodmantakesasand sample.
Whatarethreequalitiesanexplorerneeds?
Anexplorerneedstobecurious.Theycan’tgetdiscouraged.Theyshouldalwaystrytobeopen-minded.Ifyouarenotopen-minded,youmightnotseenewthingsthatarerightinfrontofyou.Youmightgettoofocusedonwhatyoualreadyknow.Or,onwhatyouexpectto see!
