Beschreibung
Students observe the passage of hundreds of thousands of years without leaving their desks! By creating desktop river models, students observe how rivers, canyons, deltas, and other geological formations change over time. The river models enable students to gain experience with concepts such as geological time, erosion, and pollution.
Buchdetails
Format
Taschenbuch
Seiten
120 Seiten
Sprache
Englisch
Veröffentlicht
Jan 1, 1999
Verlag
GEMS
ISBN-10
0924886323
ISBN-13
9780924886324