Series:

His First Experiments in Science & Nature

3 total works

Cover of Ecology and Pollution/Air,

Ecology and Pollution/Air,

by Martin Gutnik

Published 1 January 1973
Instructions for experiments illustrating the characteristics of air pollution, its causes, its effect on the ecological balance, and its prevention.

Cover of Ecology and Pollution/Water,

Ecology and Pollution/Water,

by Martin Gutnik

Published 1 January 1973
Instructions for experiments illustrating the characteristics of a freshwater ecosystem, water pollution, and water purification.

Cover of Ecology and Pollution/Land,

Ecology and Pollution/Land,

by Martin Gutnik

Published 1 January 1973
Instructions for experiments illustrating the characteristics of a land ecosystem, land pollution, and how waste materials can be used to benefit the land.