'geospatial technologies' Search Results
Development of Instruments to Assess Students’ Spatial Learning Attitudes (SLA) and Interest in Science, Technology and Geospatial Technology (STEM-GEO)
survey development stem careers spatial attitudes geospatial technologies rasch rating scale modeling...
Two new instruments were created to assess secondary students’ (ages 14-18) spatial learning attitudes and their interest in science and technology, related careers ideas and perceptions about geospatial technologies. These instruments were designed to evaluate the outcomes of a geospatial learning curriculum project. During a two-year period, we explored the use of these instruments during the prototype testing and pilot testing of a series of socio-environmental science investigations. The instruments were implemented with 664 ninth grade urban students from a population traditionally underrepresented in STEM-related fields. Both classical and Rasch analyses were conducted each year to optimize the instruments. The resulting 24-item Student Interest in Science, Technology and Geospatial Technology (STEM-GEO) measure and 9-item Spatial Learning Attitudes (SLA) measure had high internal consistency reliabilities (Cronbach’s Alpha) as well as acceptable Rasch reliabilities. Content validity and construct validity evidence were also summarized and discussed.
Remote Sensing as a Tool for Phenomenon-Based Teaching and Learning at the Elementary School Level: a Case Study for the Urban Heat Island Effect
remote sensing urban heat island phenomenon-based learning stem...
Satellite remote sensing has been largely adopted in all kinds of environmental applications as it has proved to be an excellent tool for research and decision-making purposes. It has also been recognized as an important educational tool in the past years. However, it has been insufficiently incorporated in school practice, especially at the elementary level. This article describes the use of remotes sensing as a tool to present science topics in the elementary classroom. A phenomenon-based approach was adopted to introduce the Urban Heat Island Effect (UHI) to eighty-one second and third-grade students. The students’ experiences in their learning environment were collected with the use of a questionnaire developed for that purpose. The pedagogical approach encouraged the students’ critical thinking and individual observations to try to explain the phenomenon working with the other students and the adults in the class- room. The phenomenon-based approach, along with the powerful visualizations of the remotely sensed data kept the students motivated and active. Seventy-one percent of the students reported that this was an engaging activity, and seventy-eight percent said that they would like to participate in similar activities in the future. The rest of the responses were neutral. None of the students were previously familiar with remote sensing or the UHI. This experience showed that it is critical to have adequate and appropriate resources readily available, as well as efficient facilitation in order to tackle this pedagogical approach. The activity was organized for Earth Observation Day (EOD), 2016, in the framework of a West Virginia View funded project. EOD is a STEM (Science, Technology, Engineering, and Mathematics) educational outreach event that occurs yearly and during which scientists, all of whom are experts in remote sensing and related geospatial technologies, are available to support teachers in their respective states.