Provided in this document are descriptions of reforestation projects and techniques presented by Peace Corps volunteers from Chad, Ivory Coast, Upper Volta, and Niger. The purpose of the document is to aid individuals in trying to find solutions to the problems facing forestry in the Sahel. These projects include: (1) reforestation of Ronier palm…

Reviews research in the area of scientific classification of botany concepts. The acquisition, transfer, and ability to use cognitive skills were investigated. (CP)

Describes a blindfold botanist project for high school biology students to augment visual recognition of plants and to serve as a challenge to motivate students. (BR)

Lakes and wetlands make up that part of Kentucky's water bodies commonly referred to as standing waters. These waters serve many purposes for the people of the state and are necessary and valued elements of its natural resources. This field guide was designed to provide useful background information and reference material for the study of these…

Previous research of classroom teaching and learning revealed that students have critical misconceptions about how plants get their food and that these misconceptions remain unchanged despite instruction using activities in the Science Curriculum Improvement Study (SCIIS) unit on producers. Because the experimental sequence described in SCIIS is…

The first U.S. Pharmacopeia, issued in 1820, listed 296 substances of animal, mineral, or vegetable origin in its primary and secondary lists. Of these 130, nearly all of vegetable origin, represented drugs used by American Indians. The number grew at each decennial revision during the 19th century, though some drugs were listed only for a decade.…

Describes construction and use of a simple auxanometer which students can use to accurately measure root growth rates of intact seedlings. Typical time course data are presented for the effect of ethylene and indole acetic acid on pea root growth. (Author/BR)

Of this series of Science Readers, Books I, II, and III are adapted to secondary grades comprising pupils who are in their third and fourth years of school work. Both the reading and the subject matter of Books IV, V, and VI are suitable for grammar grades. The lessons in Books IV, V, and VI contain lessons sufficiently full and definite to enable…

Of this series of Science Readers, Books I, II, and III are adapted to secondary grades comprising pupils who are in their third and fourth years of school work. Both the reading and the subject matter of Books IV, V, and VI are suitable for grammar grades. The lessons in Books IV, V, and VI contain lessons sufficiently full and definite to enable…