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Fralish, Zachary David; Hallmark, Nathan; Marshall, Johnathon – International Electronic Journal of Mathematics Education, 2021
The SIMIODE Challenge for Undergraduates in Differential Equation Modelling (SCUDEM) offers students the opportunity to improve their mathematical capacity, ability to think critically, and communication skills through researching, developing, and presenting on a differential equations model for a natural phenomenon. During the fall 2019 SCUDEM,…
Descriptors: Undergraduate Students, College Mathematics, Equations (Mathematics), Mathematical Models
Harvey, Deborah; Hedenström, Erik; Finch, Paul – School Science Review, 2017
In a project to determine the UK distribution of a conservation-status beetle "Elater ferrugineus", 300 volunteers were recruited and supplied with traps containing a female pheromone that is an effective attractant for adult males. The occurrence and distribution of the insect were extended from previously estimated values and shown to…
Descriptors: Community Involvement, Volunteers, Climate, Ecology
Bielik, Tom; Fonio, Ehud; Feinerman, Ofer; Duncan, Ravit Golan; Levy, Sharona T. – Journal of Science Education and Technology, 2021
Complex systems are made up of many entities, whose interactions emerge into distinct collective patterns. Computational modeling platforms can provide a powerful means to investigate emergent phenomena in complex systems. Some research has been carried out in recent years about promoting students' modeling practices, specifically using…
Descriptors: Computation, Models, Design, Middle School Students
Hart, Adam G. – School Science Review, 2011
Pheromones are chemicals used to communicate with members of the same species. First described in insects, pheromones are often used to attract mates but in social insects, such as ants and bees, pheromone use is much more sophisticated. For example, ants use pheromones to make foraging trails and the chemical and physical properties of the…
Descriptors: Chemistry, Entomology, Animals, Molecular Biology
Goudsouzian, Lara K.; Riola, Patricia; Ruggles, Karen; Gupta, Pranshu; Mondoux, Michelle A. – Biochemistry and Molecular Biology Education, 2018
Multiple pedagogical approaches, such as experimental experiences or computer-based activities, have been shown to increase student learning and engagement. We have developed a laboratory module that includes both a traditional "live" experimental component and a student-designed "virtual" computer simulation component. This…
Descriptors: Science Instruction, Science Laboratories, Science Experiments, Laboratory Experiments
Burman, J.; Talbert, R.; Carlton, K. – Physics Education, 2014
This paper details the construction of a weather vane for the measurement of wind direction in field situations. The purpose of its construction was to analyse how wind direction affected the attractiveness of an insect pheromone in a dynamic outdoor environment, where wind could be a significant contributor to odour movement. The apparatus…
Descriptors: Weather, Measurement Equipment, Entomology, Science Instruction
Geddes, Lisa H.; McQuillan, H. James; Aiken, Alastair; Vergoz, Vanina; Mercer, Alison R. – Learning & Memory, 2013
Here, we examine effects of the steroid hormone, 20-hydroxyecdysone (20-E), on associative olfactory learning in the honeybee, "Apis mellifera." 20-E impaired the bees' ability to associate odors with punishment during aversive conditioning, but did not interfere with their ability to associate odors with a food reward (appetitive…
Descriptors: Olfactory Perception, Entomology, Biochemistry, Punishment
Bredy, Timothy W.; Barad, Mark – Learning & Memory, 2009
Mice communicate through visual, vocal, and olfactory cues that influence innate, nonassociative behavior. We here report that exposure to a recently fear-conditioned familiar mouse impairs acquisition of conditioned fear and facilitates fear extinction, effects mimicked by both an olfactory chemosignal emitted by a recently fear-conditioned…
Descriptors: Cues, Cognitive Processes, Fear, Animals
Coureaud, Gerard; Languille, Solene; Joly, Virginie; Schaal, Benoist; Hars, Bernard – Learning & Memory, 2011
The mammary pheromone promotes the acquisition of novel odorants (CS1) in newborn rabbits. Here, experiments pinpoint that CS1 becomes able to support neonatal learning of other odorants (CS2). We therefore evaluated whether these first- and second-order memories remained dependent after reactivation. Amnesia induced after CS2 recall selectively…
Descriptors: Memory, Animals, Olfactory Perception, Learning
Coureaud, Gerard; Languille, Solene; Schaal, Benoist; Hars, Bernard – Learning & Memory, 2009
Mammary pheromone (MP)-induced odor memory is a new model of appetitive memory functioning early in a mammal, the newborn rabbit. Some properties of this associative memory are analyzed by the use of anisomycin as an amnesic agent. Long-term memory (LTM) was impaired by anisomycin delivered immediately, but not 4 h after either acquisition or…
Descriptors: Memory, Olfactory Perception, Animals, Association (Psychology)
Feist, Patty L. – Journal of Chemical Education, 2008
This experiment describes the synthesis of gentisyl quinone isovalerate, or blattellaquinone, a sex pheromone of the German cockroach that was isolated and identified in 2005. The synthesis is appropriate for the second semester of a second-year organic chemistry laboratory course. It can be completed in two, three-hour laboratory periods and uses…
Descriptors: Spectroscopy, Organic Chemistry, Science Experiments, Science Laboratories
Peer reviewed
Cormier, Russell A.; Hoban, James N. – Journal of Chemical Education, 1984
Provides background information and procedures for the multi-step synthesis of tiger moth and boll weevil pheromones (sex attractants). These syntheses require several laboratory periods. The tiger moth pheromone synthesis is suitable for introductory organic chemistry while the boll weevil pheromone is recommended for an advanced laboratory…
Descriptors: Chemical Reactions, College Science, Entomology, Higher Education
Reiser, Frank – Outdoor Communicator, 1985
Discusses discovery, types, and actions of pheromones in bees, ants, moths, and butterflies. Describes field activities for studying the presence and effects of pheromones on insect behavior. (NEC)
Descriptors: Elementary Secondary Education, Entomology, Experiential Learning, Learning Activities
Peer reviewed
Smith, Leverett R.; Williams, Howard J. – Journal of Chemical Education, 1979
This article, intended for college organic chemistry students, discusses how chiral pheromones are synthesized from glumatic acid. (HM)
Descriptors: Acids, Biochemistry, Chemical Reactions, Chemistry
King, Angela G. – Journal of Chemical Education, 2005
The GC-MS profiles of whole body extracts from the nurses and foragers of Apis mellifera ligustica bees was compared, which showed that the extracts of foragers (older bees) contained levels of ethyl oleate (EO) almost three times than found in nurses (young bees). The results show that the ethyl oleate plays a key role in the bees' mechanism of…
Descriptors: Entomology, Developmental Delays, Organic Chemistry, Physiology
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