WorksheetsPlayground Express
Total questions: 10
Worksheet time: 14mins
Which of the following is an input device on the Circuit Playground Express?
LED Lights
Speaker
Button A
Alligator Clips
What is an example of an output device on the Circuit Playground Express?
Accelerometer
Slide switch
Microphone
Neopixel LEDs
What does the "forever" loop do in MakeCode?
Runs code once when the program starts
Waits for an input before running code
Stops the code from running
Repeats the code inside it continuously
When does the code inside an "on shake" block run?
When the board is powered on
When the accelerometer detects a shake
Every second
When Button A is pressed
Which of the following is a real-world use for loud sound detection?
Turning on lights with a clap
Measuring temperature
Counting steps
Displaying the time
You want to build a wearable that flashes different colors when you jump or dance. Which sensor is best for detecting this movement?
Temperature sensor
Accelerometer
Microphone
Light sensor
A student wants to make a device that plays a sound if someone turns off the lights in the classroom. Which input triggers the sound?
Light sensor
Microphone
Temperature sensor
Microphone
A friend wants to create a “reaction game” where a random light flashes and the player must press the correct button as quickly as possible. Which block is needed to make the light flash randomly?
Random number block
Timer
Temperature sensor
On shake event
A friend wants to make a pet feeder that releases food when their dog barks near the device. Which input should control the feeder?
Button A
Accelerometer
Microphone detecting loud sound
Light sensor
Which of these is a practical use for sound detection with a Circuit Playground Express that could help people in everyday life?
Measuring the temperature in a room
Turning on lights automatically when it gets dark
Giving an early warning when thunder is detected during a storm
Counting the number of steps you take during the day
