The purpose of the current study is to determine pre-service primary school teachers' cognitive structure regarding communication, cooperation and decision-making skills, which are among the basic life skills addressed in the Life Sciences curriculum. The study employed qualitative research method. The study group of was composed of 111…

Assessment is an integral and vital part of teaching and learning, providing feedback on progress through the assessment period to both learners and teachers. However, if test items are flawed because of misconceptions held by the question setter, then such test items are invalid as assessment tools. Moreover, such flawed items are also likely to…

Amber is the fossilized resin of now-extinct trees, primarily ancient conifers but also some flowering tropical trees. An aromatic, soft, sticky substance, resin in extinct trees probably served the same purposes as resin in modern trees: to protect the plant by sealing cuts and by excluding bacteria, fungi, and insects.

Discussed are two changes which have come about which enables us to view nature study in a new light--a change in teaching approaches (from content to process) and a change in the status and content of biology (greater awareness of our biological heritage). (Author/KC)

Describes an elementary school science project focusing on hatching chickens. (PEB)

Points out that snails are interesting and easily-managed classroom animals. One advantage of this animal is that it requires no special attention over weekends or holidays. Background information, anatomy, reproduction, and feeding are discussed, along with suggestions for housing aquatic and/or land snails. (DH)

Suggests using Play Doh to mold models of the nucleus, mitochondria, and inner cellular structures. Students can conceptualize the cell's structures as three-dimensional even though they appear two-dimensional under a microscope. Includes instructions for preparing homemade dough. (Author/JN)

Presents activities in which students play the role of cadets performing missions for the fictitious SETI (Search for Extraterrestrial Intelligence) Academy. Guides students toward an understanding of evolutionary forces and how they are affected by the physical environment. (JRH)

Care and maintenance of snails are described. (BB)

Discusses the behavior, housing, care, diet, and feeding of painted turtles. Also suggests several classroom activities and provides guidelines related to long-term captivity and human disease prevention. (DH)

This book contains information and activities to help make the study of rainforests an exciting exploration for teachers and students. Students explore the animals, plants, and geography of the rainforest by completing hands-on activities from various disciplines. This book contains five units: (1) "Living Layers"; (2) "Animals, Animals, Animals";…

Describes an activity on worms that investigates their anatomy and habitat and reactions to various environments. (Contains 12 references.) (YDS)

This guide is designed to foster an understanding of the basic concepts underlying biotechnology through simple activities that are fun and creative for students in grades 3-5. It contains four units that will lead young students to an appreciation of how biotechnology is possible and some of its applications. The process of learning is intended…

This publication serves as a guide to activities and strategies in environmental education. Lesson plans include objectives and suggested procedures in dealing with the following environmental concepts: (1) The earth is a vast but limited natural system; (2) The total environment is in constant change; (3) A living thing is the product of its…

The various kinds of animals and insects that inhabit or visit a pond community are illustrated and described. Drawings of pond vegetation are included. (BT)