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Lawrence WEE Jimmy GOH Stanley
Lim
Headquarter Yishun JC Anderson JC
Ministry of Education, Singapore
http://weelookang.blogspot.sg/2013/04/mptl18-easy-java-simulation-innovative.html
Easy Java Simulation
(EJS), an innovative tool
for teacher as designers
of gravity-physics
computer models
A Big thank you to OSP
• F. Esquembre, F-K Hwang, W. Christian, D. Brown
,M. Belloni, A. Cox, A. Duffy, T. Mzoughi ,, M. Gallis,
T. Timberlake, J. M. Aguirregabiria, W. Junkin, H. Gould J. Tobochnik, Jose Sanchez, S.
Tuleja and many more….
• Digital Libraries
 http://www.compadre.org/OSP/
 http://www.phy.ntnu.edu.tw/ntnujava/index.php
 EJS itself has examples as well
1. innovativeness of EJS
•Breakthrough in teacher education [R]
– products (computer models)
• Customized to SG syllabus (teacher-student
feedback)
– processes ( OSP professional
community)
• Teacher education in OSP community
• To benefit all humankind
2. Rationale
• Physics is best learnt by inquiry through
hands-on exploration.
• Difficult to conduct experiment [R] on topics
like Gravitation in school laboratories.
• Many students fail to visualise the
gravitational effects of huge masses and the
motion of satellites.
• Little physical meaning to the number-
crunching.
3. Design
• Four simulations were selected to address
concepts on:
(1) Gravitational field strength and potential;
(2) Escape velocity;
(3) Geostationary orbit;
(4) Kepler’s Third law.
• These simulations were infused strategically
into tutorial questions or separately as
laboratory worksheets to enhance students’
learning.
3. Design (modified 5E inquiry)
• Students were introduced to relevant videos
and get them engaged in the simulations.
• Students explored the simulations at their
own pace, guided by the worksheet
questions. [Self-directed learning]
• Students explained their understanding in
small groups. [Collaborative learning]
• Teacher asked questions to get students to
elaborate their understanding.
• Selected groups did class presentation and
evaluate what they have learnt.
4A. Gravity Mass Model
Derived work based on Andrew Duffy’s earlier electric charge model
4B. Earth-Moon Model
Derived work based on Andrew Duffy’s earlier electric charge model
4C. Geostationary Satellite
Model
9
Derived work based on Francisco (Paco) Esquembre’s earlier model
• Create active learning previously not possible
–The students’ answers are
now actually based on the
acts of scientific inquiry
being scientist
themselves, rather than
the memorization of facts
(traditional teaching
method).
Making logical
conclusions based on
student-lead evidence
based inquiry on the
models.
4C. Geostationary Satellite
Model
4D. Kepler’s System Model
Derived work based on Todd Timberlake’s earlier model
Derived work based on Todd Timberlake’s earlier model
Derived work based on Todd Timberlake’s earlier model
Derived work based on Todd Timberlake’s earlier model
∝ R3
Derived work based on Todd Timberlake’s earlier model
log R
with evidence of relationship
A=1.5
Derived work based on Todd Timberlake’s earlier model
Derived work based on Todd Timberlake’s earlier model
∝ Raverage
3
5A: Student feedback
• The EJS lessons make it easier for us to
depict the motion of objects in 3D.
• The theory is now much easier to
understand.
• The simulations provided
interesting information
beyond the syllabus.
• “I think the simulations are
good as they make me view
physics in a different
perspective.”
5B: Teacher reflection
• Help students visualise the effect of gravitation,
motion of satellite, etc.
• Manipulation of parameters allows independent
learning outside curriculum time.
• Curriculum time is
required to guide
students on the use of
simulations at the initial
stage.
• Worksheets questions
need to be more
thought-provoking.
6. we, the teachers are evidences
that EJS has been an innovative tool
• Learners as scientists
– Inquiry-based learning into the hands of ordinary
students all over the world.
• Teachers as designers of computer models
– 5 journal publication at Physics Education
– 3 SG local conference papers
• Academy Sym2011, iCTLT2012 , ICCE2012
– 4 overseas conference papers
• AAPTSM10 2010, AAPTWM12 2012, WCPE 2012, MPTL18

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Mptl18 (11 sept 2013)

  • 1. Lawrence WEE Jimmy GOH Stanley Lim Headquarter Yishun JC Anderson JC Ministry of Education, Singapore http://weelookang.blogspot.sg/2013/04/mptl18-easy-java-simulation-innovative.html Easy Java Simulation (EJS), an innovative tool for teacher as designers of gravity-physics computer models
  • 2. A Big thank you to OSP • F. Esquembre, F-K Hwang, W. Christian, D. Brown ,M. Belloni, A. Cox, A. Duffy, T. Mzoughi ,, M. Gallis, T. Timberlake, J. M. Aguirregabiria, W. Junkin, H. Gould J. Tobochnik, Jose Sanchez, S. Tuleja and many more…. • Digital Libraries  http://www.compadre.org/OSP/  http://www.phy.ntnu.edu.tw/ntnujava/index.php  EJS itself has examples as well
  • 3. 1. innovativeness of EJS •Breakthrough in teacher education [R] – products (computer models) • Customized to SG syllabus (teacher-student feedback) – processes ( OSP professional community) • Teacher education in OSP community • To benefit all humankind
  • 4. 2. Rationale • Physics is best learnt by inquiry through hands-on exploration. • Difficult to conduct experiment [R] on topics like Gravitation in school laboratories. • Many students fail to visualise the gravitational effects of huge masses and the motion of satellites. • Little physical meaning to the number- crunching.
  • 5. 3. Design • Four simulations were selected to address concepts on: (1) Gravitational field strength and potential; (2) Escape velocity; (3) Geostationary orbit; (4) Kepler’s Third law. • These simulations were infused strategically into tutorial questions or separately as laboratory worksheets to enhance students’ learning.
  • 6. 3. Design (modified 5E inquiry) • Students were introduced to relevant videos and get them engaged in the simulations. • Students explored the simulations at their own pace, guided by the worksheet questions. [Self-directed learning] • Students explained their understanding in small groups. [Collaborative learning] • Teacher asked questions to get students to elaborate their understanding. • Selected groups did class presentation and evaluate what they have learnt.
  • 7. 4A. Gravity Mass Model Derived work based on Andrew Duffy’s earlier electric charge model
  • 8. 4B. Earth-Moon Model Derived work based on Andrew Duffy’s earlier electric charge model
  • 9. 4C. Geostationary Satellite Model 9 Derived work based on Francisco (Paco) Esquembre’s earlier model
  • 10. • Create active learning previously not possible –The students’ answers are now actually based on the acts of scientific inquiry being scientist themselves, rather than the memorization of facts (traditional teaching method). Making logical conclusions based on student-lead evidence based inquiry on the models. 4C. Geostationary Satellite Model
  • 11. 4D. Kepler’s System Model Derived work based on Todd Timberlake’s earlier model
  • 12. Derived work based on Todd Timberlake’s earlier model
  • 13. Derived work based on Todd Timberlake’s earlier model
  • 14. Derived work based on Todd Timberlake’s earlier model ∝ R3
  • 15. Derived work based on Todd Timberlake’s earlier model log R with evidence of relationship A=1.5
  • 16. Derived work based on Todd Timberlake’s earlier model
  • 17. Derived work based on Todd Timberlake’s earlier model ∝ Raverage 3
  • 18. 5A: Student feedback • The EJS lessons make it easier for us to depict the motion of objects in 3D. • The theory is now much easier to understand. • The simulations provided interesting information beyond the syllabus. • “I think the simulations are good as they make me view physics in a different perspective.”
  • 19. 5B: Teacher reflection • Help students visualise the effect of gravitation, motion of satellite, etc. • Manipulation of parameters allows independent learning outside curriculum time. • Curriculum time is required to guide students on the use of simulations at the initial stage. • Worksheets questions need to be more thought-provoking.
  • 20. 6. we, the teachers are evidences that EJS has been an innovative tool • Learners as scientists – Inquiry-based learning into the hands of ordinary students all over the world. • Teachers as designers of computer models – 5 journal publication at Physics Education – 3 SG local conference papers • Academy Sym2011, iCTLT2012 , ICCE2012 – 4 overseas conference papers • AAPTSM10 2010, AAPTWM12 2012, WCPE 2012, MPTL18

Editor's Notes

  1. Charles intro
  2. Learning is meaning making through visualization