teacher education on robotics-enhanced constructivist pedagogical methods - terecop teacher training...

Teacher Education on Robotics-Enhanced Constructivist Pedagogical Methods - TERECoPTeacher Training Course : “LEGO NXT ROBOTICS: a CONSTRUCTIVIST APPROACH”

“NTX robot as a learning object”

OBJECTIVES

PROBLEM P1: “How to assembly very simple cars with only one motor”

Knowledge of the basic assembling technics of LEGO NXT pieces:

•Parallel assembling of beams with connector pegs (with/without friction)

•Transversal assembling of beams with cross elements

•Axes, bushes and wheels

•Motor; NXT brick

Knowledge of basic mechanical technics to improve:

•Simplicity and aesthetic (number of pieces of the robotic construction, symmetry,…)

•Rigidity (as a solid body)

•Stability (of the center of mass)


“NTX robot as a learning object”

PROBLEM P1: “How to assembly very simple cars with only one motor”

COMPETENCES

At the end of this unit, the pupils will be able of:

•Constructing a simple but well designed robot-car with only lineal motion, including one motor and the NXT brick

•Comparing several robot-cars (already made or only designed) evaluating and classifying them from their simplicity, rigidity and stability


A.- ENGAGEMENT STAGE

TEACHER'S ACTIONS

STUDENT'S ACTIONS

LINGUISTIC OUTPUT

PROBLEM’S

PROGRESION

MEDIA


A.- ENGAGEMENT STAGE

Did you like this robot

behaviour…?

What did you like the most… ?

Do you think is it difficult to

make a robot like this one…?

… We could start making simpler robots !!!


B.- EXPLORATION STAGE

Look this wonderful car… you could assembly something like this one…



Or assembly something like this one…



We can see how to build the robot step by step…

With the LEGO Digital Designer

Do you like to see the building instructions for this simple robot…?


C.- PRODUCTION AND EVALUATION STAGES

Rules to evaluate the “simplicity” of the cars:

•The less pieces has a car, the simpler it is

•The less pigs has a car, the simpler it is

•The more symmetric is a car, the simpler it is

Rules to evaluate the “rigidity” of the cars:

•The less is the bending of a car (with a small external force made by hand) the more rigid a car is

•The longer the distance between the connector pegs, the stronger the compound beam is

•The better a strong attach of the transversal beams (using the cross blocks) is, the more rigid a car is


C.- PRODUCTION AND EVALUATION STAGES

Rules to evaluate the “stability” of the cars

•The lower is the mass centre (the lower the weight parts of the car are), the better the stability is(It should be better begin the construction with the brick, no with the motor…)

•The more separate are the wheels, the better the stability is(It is better four wheels than three,…)

Additional rules:

•The more weight is upon the driving wheels (the more heavy is the car,…) , the more threat the wheels have(The brick should be placed over the driving wheels…)

teacher education on robotics-enhanced constructivist pedagogical methods - terecop teacher training...

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