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Marks, Marykay – Science Teacher, 2001
Describes the Purple Loosestrife Project, an innovative outreach and educational program to provide a biological control of purple loosestrife. Involves cooperation of community, teachers, and students. (YDS)
Descriptors: Conservation (Environment), Cooperation, Environmental Education, High Schools
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Hardy, Garry R.; Tolman, Marvin N. – Science and Children, 1996
Describes the construction of an effective plant incubator for classroom use using a five-gallon plastic bucket. (JRH)
Descriptors: Elementary Education, Elementary School Science, Plants (Botany), Science Equipment
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Brewer, Carol A. – American Biology Teacher, 1996
Presents investigations of leaf surface wetness that provide ideal opportunities for students to explore the relationships between leaf form and function, to study surface conditions of leaves and plant physiology, and to make predictions about plant adaptation in different environments. Describes simple procedures for exploring questions related…
Descriptors: Biology, Higher Education, Inquiry, Investigations
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Dean, Rob L. – American Biology Teacher, 1996
Discusses methods for plotting rates of photosynthesis as a function of light quantity. Presents evidence that suggests that empirically derived conversion factors, which are used to convert foot candles to photon fluence rates, should be used with extreme caution. Suggests how rate data are best plotted when any kind of light meter is not…
Descriptors: Biology, Higher Education, Light, Photosynthesis
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Cannon, Jonathan G.; Burton, Robert A.; Wood, Steven G.; Owen, Noel L. – Journal of Chemical Education, 2004
The fish poisons derived from plants used throughout the world, not only as piscicides but also for a range of other uses, including insecticident and in folk medicines, is presented. The aim of this review is to provide a useful background for students interested in natural products.
Descriptors: Animals, Plants (Botany), Poisoning, Biochemistry
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Doyle, Andrea M.; Reilly, Joe; Murphy, Niamh; Kavanagh, Pierce V.; O'Brien, John E.; Walsh, Martin S.; Walsh, John J. – Journal of Chemical Education, 2004
A member of a related genus of the valerianaceae, Centranthus ruber, is used, that yields a higher percentage valtrate than other related species such as "Valeriana officinalis," there by making easier isolation in pure form.
Descriptors: Narcotics, Structural Analysis (Science), Science Education, Plants (Botany)
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Rice, Stanley A.; McArthur, John – American Biology Teacher, 2004
A study was conducted to prove that a large blood or xylem vessel could conduct 256 times more fluid than a vessel or a pipe that is four times smaller. The result of this study proved that if arteriosclerosis causes an artery to loose half its effective diameter, the blood flow would be reduced by fifteen-sixteenths.
Descriptors: Mechanics (Physics), Metabolism, Human Body, Diseases
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Pinto, Gabriel; Esin, Ali – Journal of Chemical Education, 2004
The water absorption in chickpeas (dried legumes) is analyzed. The chickpea experiment serves as an introduction to the concepts of osmosis, mass transfer and diffusion.
Descriptors: Kinetics, Scientific Concepts, Science Experiments, Plants (Botany)
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Guidetti, Mary D. – School Arts: The Art Education Magazine for Teachers, 2004
In this article, the author describes how she introduced the mola designs of the Kuna people of the San Blas Islands to her fifth grade class. The students became excited by the tropical imagery; the wildlife, intertwined with the flowering plant life and the ocean, in colorful and black and-white patterns, because it brought forth such…
Descriptors: Grade 5, Plants (Botany), Art Activities, American Indian Culture
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Science Teacher, 2005
Curcumin, the pungent yellow spice found in both turmeric and curry powders, blocks a key biological pathway needed for development of melanoma and other cancers, according to a study that appears in the journal Cancer. Researchers from The University of Texas M. D. Anderson Cancer Center demonstrate how curcumin stops laboratory strains of…
Descriptors: Cancer, Cytology, Oncology, Preventive Medicine
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de Boo, Max; Shaw, Barbara – Primary Science Review, 2006
The seashore is many things: (1) a place of wonder and delight--inspiring artists and composers; (2) a place of work--for transport and fishing; and (3) a place for play--for sandcastles, surfing and swimming, sailing. In this article, the authors offer some tips on exploring the flora and fauna of the seashore. (Contains 3 boxes and lists 4…
Descriptors: Science Instruction, Elementary School Science, Outdoor Education, Teaching Methods
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Hattori, Masasi; Oaksford, Mike – Cognitive Science, 2007
In this article, 41 models of covariation detection from 2 x 2 contingency tables were evaluated against past data in the literature and against data from new experiments. A new model was also included based on a limiting case of the normative phi-coefficient under an extreme rarity assumption, which has been shown to be an important factor in…
Descriptors: Stimuli, Responses, Computer Simulation, Heuristics
US Department of the Interior, 2008
Scientists call the land along the edges of a river, stream, or lake a riparian zone. In this guide, riparian zone will be called the Green Zone. Riparian zones make up only a small part of land in the United States. But they are very important. They protect water quality and quantity, supply food and shelter for fish and wildlife, and provide…
Descriptors: Water Quality, Guides, Wildlife, Animals
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Ruby, Mahera; Kenner, Charmian; Jessel, John; Gregory, Eve; Arju, Tahera – Early Years: An International Journal of Research and Development, 2007
In many cultures, elders are revered within the extended family as a source of wisdom gained from long experience. In Western societies, this role has been marginalised by changes in family structure, and grandparents' significant contribution to children's upbringing often goes unacknowledged. A research study with families of three- to…
Descriptors: Plants (Botany), Family (Sociological Unit), Intergenerational Programs, Family Structure
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Bowker, Rob; Jasper, Andy – Research in Science & Technological Education, 2007
This study looked at 30 primary aged children between 10 and 11 years old who were visiting the Eden Project, Cornwall and participating in workshops led and designed by the Eden Education Officers. The study attempted to directly test the effects of the Education Officers' workshops on children's learning. Personal meaning mapping, a…
Descriptors: Workshops, Indigenous Populations, Constructivism (Learning), Foreign Countries
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