<p>Grades 5-8What has Juan Tuno, an inquisitive student, discovered?  And what does Avery Wun have to do with it?The "crime" is a mysterious environmental calamity - a fish die-off that began five years ago.  The scene of the crime is the "Gray Area" watershed that includes forests, a city, a town, a coast, three rives, a lake and a pond. Student sleuths are challenged to finger the culprit in this series of investigative classroom activities.  The suspects? Operators of a water slide, a toy factory, and a golf course; loggers, hunters, and fishers; a cow ranch, an oil tanker, automobiles, and ordinary households.  Students become eager environmental detectives to determine what's killing the fish.  Environmental Detectives includes background information and diverse resources for the teacher.  No special knowledge or training is necessary to successfully present these activities.</p>

Environmental Detectives

Beals, Kevin

Willard, Carolyn

Beals

Children's Books

Lawrence Hall of Science, University of California Berkeley

This book tells about all erosion. You will read how rain washes soil down hills. You will find out how rivers carry sand to the beach. You will even learn what is strong enough to carve the Grand Canyon.

What's Stronger? The Forces That Cause Erosion (Seed of Science - Roots of Reading)

Lincoln Bergman

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Books by Lawrence Hall of Science, University of California Berkeley