Descrizione
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.
Dettagli del libro
Formato
Brossura
Pagine
120 pagine
Lingua
Inglese
Pubblicato
gen 1, 1999
Editore
GEMS
ISBN-10
0924886323
ISBN-13
9780924886324