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Name of Activity Mystery Sensor Challenge
Author Eleanor Richard, Sam Heilborn
Keywords Lego, Robotics, Mindstorm, Programming, Challenge, Introduction, Sensors, Sensor Introduction, EV3, NXT
Subject Mindstorm Programming
Grade Level 4,5,6,7,8,9
Time 30-60 minutes
Brief Description
Lesson Objectives: Familiarize students with the Mindstorm blocks.Have students understand the importance of the order and specific aspects of programming blocks, such as speed, duration, degree.Introduce student to the concepts of “What If” blocks and “Loops.”
Materials Needed:
  • NXT or EV3 Robots
  • Touch, Sound, and/or Ultrasonic Sensors
Preparation and Set Up: Crete 4-6 challenging and excited Mindstorm programs with non-desribitive names. These programs can include Some examples are shown belowScreen Shot 2015-03-30 at 4.49.37 PM
Screen Shot 2015-03-30 at 4.49.50 PMScreen Shot 2015-03-30 at 4.49.44 PM?
Necessary Background Teacher must understand Mindstorm, and students should have some familiarity with EV3 or NXT, but do not (and should not) have a lot of experience programming.
Online Reference(s)
Umbrella Unit/Curriculum (if applicable)


Name of Activity Follow Hand- Ultrasonic Sensor
Author Leiny Garcia and Kenny Westerman
Keywords Ultrasonic Sensor
Subject NXTs
Grade Level 4, 5, 6, 7, 8, 9+
Time 1 Hour Total
Brief Description Students have to program the car robot to follow a hand or object.
Lesson Objectives: Introduce the Ultrasonic sensor while using prior knowledge of programming, including loops and switches.
Materials Needed: LEGO NXT kit
Preparation and Set Up: 1. Distribute NXT kits and computers
2. Pair up students
3. Worksheet to brainstorm programming
Necessary Background Programming with switches and loops
Procedure 1. Introduce how the ultrasonic sensor works if needed 2. Review programming with switches and loops 3. Introduce activity. Explain that the robot needs to follow the hand. When the hand is too far, then the robot must move forward. If the hand is too close, then the robot must stop. 4. Distribute materials 5. Program and test. 6. Final Demonstration.

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