Ganesh, T. G., & Randall, L. S., & Thieken, J. (2011, June), Designing and Testing Water Filtration Devices using the Engineering Design Process: A Description of an Eighth Grade Curricular Unit on Bioremediation  Paper presented at 2011 ASEE Annual Conference & Exposition, Vancouver, BC. 10.18260/1-2--17723

\bibitem{asee_peer_17723}
  Ganesh, T. G., \& Randall, L. S., \& Thieken, J. (2011, June), \emph{Designing and Testing Water Filtration Devices using the Engineering Design Process: A Description of an Eighth Grade Curricular Unit on Bioremediation}
  Paper presented at 2011 ASEE Annual Conference \& Exposition, Vancouver, BC.
  10.18260/1-2--17723

Tirupalavanam G. Ganesh, Lisa Stapley Randall, and Johnny Thieken.  "Designing and Testing Water Filtration Devices using the Engineering Design Process: A Description of an Eighth Grade Curricular Unit on Bioremediation".  2011 ASEE Annual Conference & Exposition, Vancouver, BC, 2011, June.  ASEE Conferences, 2011.  https://peer.asee.org/17723 Internet.  26 Dec, 2024

\bibitem{asee_peer_17723}
  Tirupalavanam G. Ganesh, Lisa Stapley Randall, and Johnny Thieken.
  "Designing and Testing Water Filtration Devices using the Engineering Design Process: A Description of an Eighth Grade Curricular Unit on Bioremediation".
  \emph{2011 ASEE Annual Conference \& Exposition, Vancouver, BC, 2011, June}.
  ASEE Conferences, 2011.
  https://peer.asee.org/17723 Internet.  26 Dec, 2024

@INPROCEEDINGS{asee_peer_17723
author = "Tirupalavanam G. Ganesh, Lisa Stapley Randall, and Johnny Thieken"
title = "Designing and Testing Water Filtration Devices using the Engineering Design Process: A Description of an Eighth Grade Curricular Unit on Bioremediation"
booktitle = "2011 ASEE Annual Conference \& Exposition"
year = "2011"
month = "June"
address = "Vancouver, BC"
publisher = "ASEE Conferences"
note = {https://peer.asee.org/17723}
number = {10.18260/1-2--17723}
}

TY  - CPAPER
AB  -              Designing and Implementing Water Filtration Devices:        A Study of Eighth Grade Students’ Knowledge of BioremediationAbstractThis paper describes the implementation and results from the study of a novel teaching andlearning experience in K-12 Engineering Education. The specific novel teaching and learningexperience focused on a Bioremediation/Wastewater treatment curricular unit. The thematic unitwas part of a three-year National Science Foundation (NSF, 2007) sponsored project under theInformation Technology Experiences for Students and Teachers (ITEST) program. The projectserved over 100 students via a highly engaging after-school engineering education program infour middle schools from traditionally under-represented populations. Participant demographicsare provided in Table 1. Embedded within the project were opportunities to provide discovery-based learning experiences during summer industry internships around “renewable energy andresources” hosted at a local water and energy company. This bioremediation unit was deliveredduring a summer internship, which served 20 eighth-grade students.Eighth-grade students were engaged with the challenge to design, construct and test a wastewaterfiltration device that successfully removed three given contaminants. Basic principles ofbioremediation and water as a renewable resource were discussed. Students were placed ingroups of two. Students were provided with four samples of water, three containing acontaminant (oil, fertilizer, particulates) and one sample of distilled water to serve as a control.They were given a test kit to test for a given contaminant in water. The students were thenprovided with a variety of materials (coffee filters, kitty litter, activated carbon, cheese cloth, pHbuffer, Alum etc.) to remove each contaminant from the water. They were asked to analyzewhich material(s) removed the contaminant most effectively. Using water bottles, contaminantremoval materials, and found objects (aluminum foil, paper towels, scissors, rubber bands, 24metric rulers, duct tape, straws, etc.), students designed and constructed a water filtration device.They selected which materials would be used and in which order they would be used to removethe three given contaminants. They used the engineering-design process to design and build theirwater filtration devices.Student learning was assessed using pre and post assessments, brief write-ups and sketchesdescribing their water filtration designs in their journals, poster board presentations to peers,parents, and facilitators; and demonstrations of their water filtration device. The post-assessmentshowed a significant increase in students’ concept of bioremediation as reflected in the followingidea: “Bioremediation is about using a living organism to clean the environment.”A two-way repeated measures ANOVA was conducted to compare differences in the relationshipbetween pre and post assessment scores (see Table 2). Data analysis shows a statisticallysignificant increase across pre- and post-assessments, t(17) = 19.99, p < .001, ES = 4.00. Thefull paper will discuss these results along with descriptions of the learning experience, the pre-post assessment, rubric used to score assessments, and student descriptions of the learningexperience gathered from qualitative data collection and analysis. This study has the potential toinform educators in both the formal and informal settings who are interested in integratingengineering design concepts into science curricula.Table 1. Percent Project Participants by Gender/Race/Ethnicity                            2007-08 2008-09                              (n=48)    (n=68) Female                         67        52 Male                           33        48 American Indian/Alaskan         8        1.5 Asian                           4         0 Black                          10         0 Hispanic                       52        68 White                          25       30.5Table 2. Pre-Post Assessment Statistics                                                    Mean                 EffectAssessment        n         Mean          SD      Difference      T       Size   Pre                      10.32         8.21                 20                                 70.24        19.99   4.00    Post                    80.56         18.47
AU  - Tirupalavanam G. Ganesh
AU  - Lisa Stapley Randall
AU  - Johnny Thieken
CY  - Vancouver, BC
DA  - 2011/06/26
PB  - ASEE Conferences
TI  - Designing and Testing Water Filtration Devices using the Engineering Design Process: A Description of an Eighth Grade Curricular Unit on Bioremediation
UR  - https://peer.asee.org/17723
DO  - 10.18260/1-2--17723
ER  -