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BIOLOGIA ETA GEOLOGIA
1go GAIA
2.- DENBORA GEOLOGIKOA
6.-Zer erabiltzen de Lurraren historia ikertzeko?
2.1.- PROZESU GEOLOGIKOEN HISTORIA
7.- Zeintzuk dira ezagutzen diren arroka zaharrenak? Zenbat urte dituzte?
8.- Zergatik ez dira aurkitu arroka zaharragoak?
9.- Zeintzuk dira arrokak sortzen dituzten prozesuak? (labur azaldu)
2.2.- DATAZIO-TEKNIKAK
10.- Zer motetakoak dira datazio-teknikak?
11.- Azaldu zer den erradioisotopo baten semidesintegrazio periodoa
12.- Honako proportzio hau neurtu da arroka batean; 1/8 40K eta 7/8 40Ar. Zein da
arrokaren adina?
13.- Azaldu zein den erradioisotoporik egokiena honako hauen antzinatasuna jakiteko:
a) Dinosaurio baten fosilaren buruhezurra
b) Iberiar herri bateko anfora-hondakinak
c)Meteorito bat
2.3 DENBORA GEOLOGIKOAREN ESKALA
ERAK PERIODOAK ALDAKETAK
1-Jarduera.docx

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1-Jarduera.docx

  • 1. BIOLOGIA ETA GEOLOGIA 1go GAIA 2.- DENBORA GEOLOGIKOA 6.-Zer erabiltzen de Lurraren historia ikertzeko? 2.1.- PROZESU GEOLOGIKOEN HISTORIA 7.- Zeintzuk dira ezagutzen diren arroka zaharrenak? Zenbat urte dituzte? 8.- Zergatik ez dira aurkitu arroka zaharragoak? 9.- Zeintzuk dira arrokak sortzen dituzten prozesuak? (labur azaldu) 2.2.- DATAZIO-TEKNIKAK 10.- Zer motetakoak dira datazio-teknikak? 11.- Azaldu zer den erradioisotopo baten semidesintegrazio periodoa 12.- Honako proportzio hau neurtu da arroka batean; 1/8 40K eta 7/8 40Ar. Zein da arrokaren adina? 13.- Azaldu zein den erradioisotoporik egokiena honako hauen antzinatasuna jakiteko: a) Dinosaurio baten fosilaren buruhezurra b) Iberiar herri bateko anfora-hondakinak c)Meteorito bat 2.3 DENBORA GEOLOGIKOAREN ESKALA ERAK PERIODOAK ALDAKETAK