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Preventing Misconceptions Arising from Student Use of Realistic 3-D Animations. Lauren Ivans (LJIvans@uga.edu) Dr. J. Steve Oliver University of Georgia. Preventing Misconceptions Arising from Student Use of Realistic 3-D Animations.

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preventing misconceptions arising from student use of realistic 3 d animations

Preventing Misconceptions Arising from Student Use of Realistic 3-D Animations

Lauren Ivans (LJIvans@uga.edu)

Dr. J. Steve Oliver

University of Georgia

preventing misconceptions arising from student use of realistic 3 d animations2

Preventing Misconceptions Arising from Student Use of Realistic 3-D Animations

Using Animations to Help Students Understand Biological Processes

Lauren Ivans

Dr. J. Steve Oliver

University of Georgia

today s talk
Today’s Talk
  • Introduce the Task and Team
  • Outline the Problem
  • Present our Strategies
  • Turn the Tables
what we d like to do
What We’d Like to Do
  • Develop a suite of interactive, inquiry-based, 3D animations of biological processes for high school students
    • Osmosis
    • Filtration
    • Diffusion
    • Active and Passive Transport
a team effort
A Team Effort

Dr. Casey O’Donnell

Dr. James Moore

Dr. Tom Robertson

Dr. Cynthia Ward

Dr. Scott Brown

Dr. David Hurley

Flint Buchanan

Dr. J. Steve Oliver

Dr. Ji Shen

Dr. Georgia Hodges

Kyung-A Kwon

Lauren Ivans

Julie Range

Mike Hussey

Jared Jackson BJ Wimpey

Steven Arnold Rene Standler

Anne Westbrook

Pamela G. Van Scotter

SEPA Project

our partner teachers
Our Partner Teachers

Stella Guerrero

Cedar Shoals High School

Robin Jones-Walker

Madison County

High School

Richard Patterson

Athens Academy

do all students have computer access
Do All Students have Computer Access?
  • A 2005 Poll found that 94% of U.S. public school classrooms had computers and internet access
    • The estimated student to instructional computer ratio was 4:1
  • Many states have standards for technology use in the classroom

Wells and Lewis, 2006. National Science Board Science and Engineering Indicators 2010.

why bother
Why Bother?

The immediate reasons:

  • AAAS Benchmarks for Scientific Literacy
  • Georgia Performance Standards
  • EOCT Exams

The long term reason:

  • To inform and motivate high school students about STEM related careers!
computer animations are wonderful opportunities
Computer Animations Are Wonderful Opportunities…

Phospholipid heads are green

All Quiet Outside

the Cell

Calcium Channels are the only membrane proteins

For Too Much Detail and Misconceptions.

thwarting misconceptions our approach
Thwarting Misconceptions: Our Approach
  • 1. Focus on State and National Standards
  • 2. Heed the Wisdom of our Partner Teachers
  • 3. Adopt a Model-Based Reasoning Approach
the problem of scale
The Problem of Scale:
  • If the height of Eiffel Tower (300 meters) represents the width of the vessel wall (endothelial cell):
  • A water molecule would be about the size of a blade of grass (~ 3.54 inches)
  • A Sodium Ion would be about the size of a bug in the grass (~ 1.18 inches)
zooming into the membrane won t help
Zooming into the membrane won’t help…
  • If the height of Eiffel Tower (300 meters) represents the cross section of a lipid bilayer then:
  • The Tall Trees (10 meters) are about the size of a water molecule
  • A Sodium Ion would be about the size of the Smaller Trees (3 meters)
hitting the standards
Hitting The Standards
  • Students gain an understanding of osmosis and apply that knowledge to treat Clark.
  • Students collect and analyze data to evaluate two competing hypotheses.
  • Students select and defend their diagnosis of Clark.
  • Students test their diagnosis by treating Clark and analyze the results to determine if their diagnosis was correct.
lessons learned along the way
Lessons Learned Along the Way:
  • Focus on the learning and higher-order thinking goals.
  • Use computer animations to:
    • Engage students and keep them interested
    • Focus students on the essential pieces
  • Make the students active participants in their own learning.
thank you
Thank You!
  • Please visit our websites for more information:
  • http://www.idealbiology.com/index.html
  • http://www.coe.uga.edu/mse_ideal/
  • http://is3donline.com/