
Robotics with LEGO EV3 Mindstorms – DrGraeme tutorials and challenges.*Requires competitor Contest Opportunities Touch Sensor – Seshan Brothers Tutorial.Ultrasonic Sensor – Seshan Brothers Tutorial.4-H STEM connection – sound waves, ultrasonic sensor, touch sensor.Robotics focus – advanced line follow, multiple sensor use.Line Following Challenge Video on YouTube (7:40).Unit 6 – Line Following Challenge Challenge Video Overview Robot Follows a Black Line – DrGraeme EV3 Video Tutorial.Line Followers: Basic to Proportional – Seshan Brothers.Inside a Two-Step Simple Line Follower – LEGO Engineering.What Wins a Joust? – National Geographic.4-H STEM connection – mass, acceleration, velocity.Joust Challenge Video on YouTube (8:02).Unit 5 – Joust Challenge* Challenge Video Overview Sumo Wrestling Virtual Culture – Kids Web Japan.Sumo Bot Design Tips – Builderdude35 Video Series.EV3 Sumo Tutorial – DrGraeme Robotics Tutorials YouTube Channel.Light and the Law of Reflection – PBS Learning Video.How Light Moves – PBS Learning Lesson for Grades 3-5.Reflection and Refraction of Light – Make Me Genius YouTube Series.4-H STEM connection – light, reflection, torque.Unit 4 – Sumo Challenge* Challenge Video Overview Climb the Highest Mountain – DrGraeme NXT Tutorial.LEGO Mechanisms: Gears and Motors – Lessons on gears, torque and speed.LEGO Gears and Motors – Lessons on gearing with LEGO.Mountain Climb Challenge Video on YouTube (5:05).Unit 3 – Mountain Climb Challenge Challenge Video Overview LEGO EV3 Tutorial: Move Tank, Large Motor, Medium Motor – YouTube Video Series by Aaron Maurer.Interior Angles of Polygons – Math is Fun.Robotics focus – precision turns without external sensors.

