This lesson is concerned with probability, and testing the likely outcomes of matching colours on two spinners that are controlled via the SAM DC Motors. The students will build the spinners and attach them to the motor blocks, working with triggers and delays to allow the motors to stop on a random colour each time it is triggered.

The students will build two spinners out of cardboard, one with three colours, and one with four colours, and the pointing arrow on the spinner will be attached to the DC motor to make it spin.

The students will create the programme in the SAM Space to control the pointer, and they will collate the results from multiple spins to assess the probability of the two spinners landing on the same colour.

The students will:

Design their spinners and attach them to the DC motors.

Design a system to control the motors.

Collate the results and compare theoretical and experimental probability.

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