DAY 3 · LEARN
How Does Floor Color Change a Decision?
The RVR is not guessing. A sensor measures color and the program decides what happens next.
TOPIC
Color sensing
OBJECTIVE
Students will explain how a floor color becomes an input that changes program behavior.
DEMONSTRATION OF LEARNING
Students will identify the input, decision, and output in a color-sensor program.
System model
Input: the downward-facing sensor reads a floor color.
Decision: the program checks which color was detected.
Output: the robot changes light, sound, speed, direction, or stop behavior.
Exit check
The color sensor is the input because ______. When the sensor reads ______, the program decides to ______.