STEMbotics

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STEMbotics

• Using Edward de Bonos Six Thinking Hats and LEGO
  NXT Robotics to solve STEM problems
• Grades 4-6

Steve Coxon Editorial assistant, Journal for the
Education of the Gifted Ph.D. student, The
College of William and Marys Center for Gifted
Education http//stevecoxon.com
http//cfge.wm.edu/ coxonsteve_at_hotmail.com
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Photo from http//mindstorms.lego.com/
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Unit Overview

• This is a problem-solving unit.
• Students work through a series of 10 challenges,
  each with an added engineering or programming
  aspect and nested within a STEM subject (e.g.,
  moving yellow bricks from one flower to fertilize
  another, removing cancerous bricks from a
  patient). Each of the following are embedded
• Teaching and modeling the Six Thinking Hats.
• Teaching and modeling the concept of systems.
• An overview of STEM disciplines.

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Research Supporting LEGO Robotics

• Designing, building, and programming a LEGO robot
  pushes students spatial reasoning and creative
  problem solving abilities (Waks Merdler, 2003).
• 94 or more of all students participating in FLL
  had increases in the following areas interest in
  science and technology, programming skills,
  understanding of how science and technology can
  solve real world problems, problem-solving
  skills, teamwork skills, leadership skills
  (Melchior, Cutter, Cohen, 2004).

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Research Supporting Career Connections

• Brandeis University conducted a study of students
  who participated in FIRSTs high school program
  and found that, when compared with the comparison
  group, FIRST students are
• More than 3 times as likely to major specifically
  in engineering.
• Roughly 10 times as likely to have had an
  apprenticeship, internship, or co-op job in their
  freshman year.
• Significantly more likely to expect to achieve a
  post graduate degree.
• More than twice as likely to expect to pursue a
  career in science and technology.
• More than twice as likely to volunteer in their
  communities.

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Research Supporting Challenge

• Rogers (2007), in her meta-analysis of 40 studies
  on the subject, found consistent evidence showing
  that when gifted students are provided
  challenging curriculum, they have significantly
  higher test performance.
• Benbow and Lubinski (1997) have shown that when
  gifted students are given challenging
  experiences, they are more likely to set higher
  educational goals.
• Hoekman, McCormick, and Gross (1999) found that
  stress levels of gifted adolescents were reduced
  considerably when challenge was increased to
  levels appropriate to their abilities.

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Research Demanding Challenge

• Value-added assessment analyses have shown that
  the top 20 of students show the most decline
  when their needs are not met (VanTassel-Baska,
  2007).
• Gifted students left to languish with ineffective
  teachers may never be able to make up the lost
  learning (Hansen Feldhusen, 1994).
• High achieving teenagers experience rises in
  depression, stress, and boredom when they cannot
  move forward in an area of talent (Rogers, 2007).

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Need for Challenging theSpatially Gifted

• Students with spatial gifts are neglected in
  school curricula and instruction and thus are
  rarely challenged in their talent area
  (Silverman, 2005 Webb, Lubinski, Benbow,
  2007).
• Students with spatial gifts tend to be
  undereducated and underemployed  as adults
  compared to students with similar gifts in
  mathematical and verbal areas (Mann, 2006).
• Spatially gifted students tend to have lower
  educational aspirations and less motivation to
  perform than gifted math students (Webb,
  Lubinski, Benbow, 2007).

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Primary Goals

• Students ability to think about and solve a
  problem will improve.
• Students knowledge about STEM disciplines will
  increase.
• Students understanding of the concept of systems
  will improve.
• Students ability to design, program, and
  engineer LEGO robots will improve.

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Why STEM?

• Careers in Science, Technology, Engineering, and
  Math lead to many of the advancements that make
  our lives better.
• Careers in STEM fields are in demand. Employers
  expect to hire 2.5 million STEM workers between
  2004 and 2014 (Terrell, 2007).
• On average, STEM workers earned about 70 more
  than the U. S. average in 2005 (Terrell, 2007).
• As middle school coursework, particularly in
  mathematics, often decides where students begin
  their coursework in high school and therefore
  what level they can complete, career counseling
  for students with aptitude in STEM subjects
  should begin in upper elementary and middle
  school. Students with gifted abilities in
  mathematical and/or spatial reasoning are
  particularly likely to excel in STEM careers.
• Many students have a limited view of STEM
  disciplines and should be made aware of the
  variety of careers in STEM to have the greatest
  chance of sparking and maintaining interest.
• Terrell, N. (2007). STEM occupations.
  Occupational Outlook Quarterly, 51(1), 26-33.

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Why LEGO Robotics?

• LEGO NXT robots directly involves students in
  several STEM disciplines including mechanical
  engineering and computer programming.
• In this unit, students will learn two mechanical
  engineering fundamentals to build strong designs
  (challenge 4) and to use gear ratios to
  manipulate speed and torque (challenge 8).
• Students will learn several computer programming
  fundamentals throughout the challenges, including
  the use of repeat loops and switches.

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Why Systems?

• Systems is a concept that reaches across all STEM
  disciplines. By analyzing this concept in depth
  on specific aspects of several STEM disciplines,
  students should not only come to better
  understand particular systems, but begin
  generalizing this concept across disciplines.

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Why the Thinking Hats?

• Youll notice that the lessons are called
  challenges in this unit because, while students
  will learn many valuable lessons, the focus is on
  the challenging problems to be overcome. This
  unit is designed to improve how students go about
  solving a problem. As such, teachers will spend
  very little time giving whole class instruction
  and students will spend the majority of their
  time hands-on engaged than in a typical
  classroom. Teaching a specific problem-solving
  method helps students become more proficient
  problem-solvers. There are many methods that
  could be utilized. The Six Thinking Hats method
  developed by Edward de Bono is one that may be
  easily learned by elementary and middle school
  students.

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The Thinking Hats

• The White Hat calls for information known or
  needed. "The facts, just the facts." The Yellow
  Hat symbolizes brightness and optimism. Under
  this hat you explore the positives and probe for
  value and benefit.The Black Hat is judgment -
  the devil's advocate or why something may not
  work. Spot the difficulties and dangers where
  things might go wrong. Probably the most powerful
  and useful of the Hats but a problem if
  overused.The Red Hat signifies feelings,
  hunches and intuition. When using this hat you
  can express emotions and feelings and share
  fears, likes, dislikes, loves, and hates.The
  Green Hat focuses on creativity the
  possibilities, alternatives, and new ideas. It's
  an opportunity to express new concepts and new
  perceptions.
• The Blue Hat is used to manage the thinking
  process. It's the control mechanism that ensures
  the Six Thinking Hats guidelines are observed.
• Reference
• de Bono, E. (2008). Six Thinking Hats. The de
  Bono Group. Retrieved December 8,
• 2008 from http//www.debonogroup.com/six_thinkin
  g_hats.php

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Assessment Overview

• Five pre- and post-assessments
• 1) a challenge, measured by points obtained
• 2) Robot Design rubric
• 3) Analyzing a System model
• 4) STEM Questionnaire and
• 5) Thinking Hats Rubric.
• All have intermittent opportunities for
  additional assessment.

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Name ________________ Date __/__/____ Six
Thinking Hats Pre-assessment Scenario You and
your younger brother have a pet hamster that is
missing. The hamster lives in a glass aquarium
with a wire top. The glass is unbroken and the
top is on securely. Write down everything you
know and feel about the situation and then create
all of the questions that you might need an
answer to in order that you find your
hamster. _________________________________________
__________________________________________________
__________________________________________________
_____________________________ ____________________
__________________________________________________
__________________________________________________
__________________________________________________
_________________________________________________
__________________________________________________
__________________________________________________
_____________________ ____________________________
__________________________________________________
__________________________________________________
__________________________________________ _______
__________________________________________________
____________________________
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Name ___________________ Date
__/__/____ Pre-assessment Computers as
systems (use with challenge 1) In this unit, you
will be using robotics to solve problems,
learning about careers in science, technology,
engineering, and math, and increasing your
understanding about systems. Before you start,
your teacher needs to know what you already know
so time wont be wasted teaching things that you
already know. Please complete the following
graphic organizer to the best of your ability to
show how computers work as systems.
Score ____ Pre-assessment Computers as systems
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Teacher note This is only a sample and should
not be used as an answer key. There are many
other possible answers. Scoring Give students 1
point for every response that fits in the
category in which the student wrote it. Give
students ½ point for every response that you are
unsure of the best category. Note that some items
may belong in more than one category (e.g.,
software may be an input, an output, a boundary,
an element, andwhen a student creates or works
with softwarean interaction). Give students no
point for any response that does not fit in the
category in which the student wrote it. Total the
points for each student, writing their score in
the correct location. There is no maximum
possible score (no ceiling). Four Analyzing a
System assessments will be given, one each in
challenges 1, 3, 7, and 10. Once complete, the
pre- and post-assessments can be compared to show
student growth.
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Name ________________ Date __/__/____ STEM
questionnaire pre-post assessment (to be
completed by all students in Challenge 1 and in
Challenge 10) STEM stands for Science,
Technology, Engineering, and Math. There are many
different careers in STEM. Please brainstorm as
many as you can list, using the back of the paper
if needed Pick one STEM career that you may
be interested in pursuing as an adult
________________ About how many years of
education after high school will you need to do
this job? _____ years Pick a second STEM career
that you may be interested in pursuing as an
adult ____________ About how many years of
education after high school will you need to do
this job? _____ years Compare and Contrast your
two chosen STEM careers in this Venn diagram
Score ____
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Lessons

• Challenge 1 Agricultural scientist
  (Pre-assessment)
• Systems in science, technology, engineering, and
  math
• Challenge 2 Architect/Using de Bonos Six
  Thinking Hats
• de Bonos Six Thinking Hats
• Challenge 3 Storm water manager/Using the
  rotation sensor
• Challenge 4 Structural engineer/Engineering
  fundamental The drop test
• Challenge 5 Educator/Using the touch sensor
• Challenge 6 Designer/Attaching a drawing
  implement
• Challenge 7 Geoscientists/Using the ultrasonic
  sensor
• Challenge 8 Video game creator/Engineering
  fundamental Gear ratios for speed and torque
• Challenge 9 Electrician/Using the light sensor
• Challenge 10 Surgeon (Post-assessment)

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Sample Lesson

• Challenge 3 Storm water manager/Using the
  rotation sensor
• Purpose Direct instruction in Analyzing a
  System. To learn about storm water management as
  a STEM discipline and a system. To continue to
  gain experience in robot design engineering, and
  programming by learning to use a rotation sensor.
  To continue to use the Six Thinking Hats method.
•  
• Alignment to goals and outcomes 1, 2, 3, 4
•  
• Materials
• Completed Analyzing a System Computers as
  Systems (1 per student) to review
• Analyzing a System Storm water as a system (1
  per student)
• LEGO NXT kit (1 per group)
• Computer with NXT-G loaded (1 per group)
• Standard LEGO table (8 ft x 4 ft with a 4 in high
  border)
• Field items and mat for Challenge 3
•  
•  

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Sample Lesson continued

• Activities
• 1) Review Analyzing a System Computers as
  Systems.
• 2) Use the Systems in science, technology,
  engineering, and math page that follows this
  challenge to discuss the Analyzing a System
  graphic organizer.
• 3) Discuss storm water management as a discipline
  and a system.
• 4) Have students complete Analyzing a System
  Storm water as a system on their own.
• 5) Give an overview of the Challenge course.
• 6) Explain that rotation sensors measure how far
  a motor turns. Lead a brainstorm on how rotation
  sensors might be used in their challenge.
• 7) Let students get started working on the
  challenge course. Remind them to use all of the
  Thinking Hats when they discuss how to go about
  each aspect.

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Sample Lesson continued

• Challenge course
• 1) Clear the storm drain Sweep the green bricks
  from the storm drain (10 points).
• 2) Recycle the oil Retrieve the oil tank from
  the gas station and transfer it to the recycle
  center (25 points).
• 3) Capture the polluter The factory is dumping
  chemicals in the river! Retrieve the factory
  manager (white collar figurine) and transfer him
  to jail (30 points).
• 4) Pick up the pet waste Transfer the brown
  bricks from the lawn to the toilet (10 points) OR
  the compost pile (15 points).
• 5) Food not lawns Transfer up to 4 fruit trees
  to the lawn (5 points each).
•  
• Example questions
• 1) What body of water (lake or river) does storm
  water in your neighborhood go to?
• 2) How is storm water like a system? What other
  systems are interconnected with it?
• 3) What can you do to help keep pollutants out of
  storm drains?

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Sample Lesson continued

• Assessment
• 1) Pre-assessments should help teachers tailor
  their instruction within each key area. Be sure
  to review all students pre-assessments.
• 2) On the last day of this challenge, give each
  group five minutes to score as many points as
  possible. Keep a record of all students scores.
• 3) You may judge each robot and program using the
  Robot Design rubric at anytime. Discuss the
  results with each student and tell them where
  their current strengths and weaknesses are so
  that they can focus on improving throughout the
  unit. Ensure that students have used a rotation
  sensor in at least one program.

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Sample Lesson continued

• Extension activities
• 1) Invite in a guest speaker on storm water
  management or a related field.
• 2) Use a topographical map and Internet research
  to determine where water goes in your area.
• 3) Visit a lake, stream, or river where storm
  water goes. If there is litter there, pick it up
  (be sure to follow all local laws and to wear
  protective gloves and clothing). Consider
  adopting the stream (visit the EPAs volunteer
  page at http//www.epa.gov/volunteer/stream/)
  and/or starting a water monitoring program (visit
  the EPAs volunteer monitoring page at
  http//www.epa.gov/owow/monitoring/).
• 4) Research aquatic animals in your area.

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Measured Outcomes

• Students will use The Six Thinking Hats to
  discuss a STEM problem, and then they will design
  and program a LEGO NXT robot to solve challenges
  within a STEM discipline.
• Students will improve their responses on a STEM
  questionnaire.
• Students will improve their responses on the
  Analyzing a System graphical organizer.
• Students will improve their robot design,
  engineering, and programming abilities.

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Web Resources

• The Center for Gifted Education at The College of
  William and Mary Creators of high-powered
  curriculum for gifted learners
  http//cfge.wm.edu/
• Edward de Bonos official Web sites The Six
  Thinking Hats developer offers many other
  resources
• http//www.debonogroup.com/
• http//www.edwdebono.com/
• Engineering TV Created by engineers for
  engineers, this site includes video on all
  aspects of engineering (including LEGO)
  http//www.engineeringtv.com
• F.I.R.S.T. Creators of the FIRST LEGO League
  competition http//www.firstLEGOleague.org/ 
• LEGO Education You may order the NXT here
  http//www.LEGOeducation.us/

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Book Resources

• Boogaarts, M., Daudelin, J. A., Davis, B. L.,
  Kelly, J. (2007). The LEGO Mindstorms NXT idea
  book Design, invent, and build.
•  
• de Bono, E. (1999). Six Thinking Hats.
•  
• de Bono, E. (1994). Teach Your Child to Think
•  
• Kelly, F. K. (2006). LEGO Mindstorms NXT The
  Mayan adventure.
•  
• Kelly, F. K. (2007). LEGO Mindstorms NXT-G
  programming guide.
•  
• Perdue, D. J. (2007). The unofficial LEGO
  Mindstorms NXT inventors guide.

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Areas to Improve Curriculum

• Field testing involving students and teacher
  feedback.
• Exemplars collected, including pre- and
  post-assessments as well as photographs and video
  of students robots in action.
• Included information and resources on STEM
  fields. (Presently the unit is reliant on student
  and teacher research as well as guest speakers.)
• More specifics on field set-up, including
  building directions for objects and/or photos of
  exemplars.

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Questions?
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LEGO NXT demonstration
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Steve Coxon

• Editorial assistant,
• Journal for the Education of the Gifted
• Ph.D. student,
• The College of William and Marys
• Center for Gifted Education
• http//stevecoxon.com
• http//cfge.wm.edu/
• coxonsteve_at_hotmail.com