Dashefsky, H. Steven
Environmental science : high-school science fair experiments - Blue Ridge Summit, PA Glencoe 1994 - 177 p. 24 cm
002506 S 119
830645861
Environmental sciences
Science projects
Environmental sciences
Experiments
Science projects--Study and teaching (Higher)--Activity programs.--Experiments
574.5078 / E61
Environmental science : high-school science fair experiments - Blue Ridge Summit, PA Glencoe 1994 - 177 p. 24 cm
002506 S 119
830645861
Environmental sciences
Science projects
Environmental sciences
Experiments
Science projects--Study and teaching (Higher)--Activity programs.--Experiments
574.5078 / E61