Sensor Selection Quiz

You want to create a smart plant watering system. Which sensor would best detect if the soil is too dry?

• Light Sensor

• Temperature Sensor

• Motion Sensor

• Humidity Sensor

You are designing a security system for a school. Which sensor would best detect unauthorized movement in a hallway?

• Temperature Sensor

• Motion Sensor

• Light Sensor

• Touch Sensor

In a classroom, you want to display a smiley face when it gets too hot. Which sensor would you use to measure the temperature?

• Light Sensor

• Gesture Sensor

• Temperature Sensor

• Microphone

You want to make a smart light that turns on when it gets dark. Which sensor is most suitable?

• Touch Sensor

• Motion Sensor

• Light Sensor

• Temperature Sensor

Which Python code snippet would you use to display an image when the temperature sensor detects a temperature above 30°C?

• if temperature > 30: display.show(Image.HAPPY)

• if light_level 50: led.off()

• if temperature 25: display.show(Image.HAPPY)

• if motion_detected: display.show(Image.YES)

• if sound_detected: display.show(Image.SURPRISED)

You want to track a person's movement in a gym. Which sensor would be most effective?

• Light Sensor

• Temperature Sensor

• Motion Sensor

• Microphone

You are developing a smart alarm clock that adjusts brightness based on light levels. Which sensor would you use?

• Temperature Sensor

• Gesture Sensor

• Light Sensor

• Touch Sensor

Which code snippet would you use to display 'Hello' when a touch sensor is pressed?

• if touch_sensor.is_pressed(): display.show('Hello')

• if motion_detected: display.show('Hello')

• if light_level 20: display.show('Hello')

You want to create a device that alerts you when the temperature drops below freezing. Which sensor should you use?

• Motion Sensor

• Light Sensor

• Temperature Sensor

• Microphone

To create an automatic light that turns on when you enter a room, which sensor would you use?

• Touch Sensor

• Light Sensor

• Gesture Sensor

• Motion Sensor