Dancing Birds


1. Dancing Birds


Kids will build and program two mechanical birds that make sounds and are motorized to dance using a pulley and belt drive system.

Objectives

Science
Trace the transmission of motion and transfer of energy through the machine. Identify the pulleys and belt drive mechanism, and the effect changing the belt has on the direction and speed of the dancing birds’ movement.

Technology
Create a programmable model to demonstrate the knowledge and operation of digital tools and technological systems.

Engineering
Build and test the dancing birds’ movement. Modify the dancing behavior by changing the pulleys and belt to affect the speed and direction of motion.

Mathematics
Understand how the diameter of the pulleys affects the speed of the dancing birds’ movement. Compare the diameter and rotational speed as a ratio. Understand and use numbers to represent the amount of time the motor is turned on in seconds and in tenths of seconds.

Vocabulary
Belt, pulley, and random. Blocks: Motor Power, Motor This Way, Motor That Way, Random Input, Play Sound, Repeat, Start, and Wait For.



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