Descrição
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.
Detalhes do Livro
Formato
Brochura
Páginas
120 páginas
Idioma
Inglês
Publicado
jan 1, 1999
Editora
GEMS
ISBN-10
0924886323
ISBN-13
9780924886324