# screen wipe quiz blocks answers

Clear the screen by pressing the "A" button after an animation has been played

This is the answer key for the [screen wipe quiz](/microbit/lessons/screen-wipe/quiz).

## 1. What does the function "clear screen" do on the micro:bit? 

This function turns off all the LED lights on the LED screen.

## 2. Write the line of code that displays this image.

![](/static/mb/blocks/lessons/screen-wipe-4.png)

![](/static/mb/blocks/lessons/screen-wipe-5.png)

## 3. Write the condition that will detect on button A pressed

![](/static/mb/blocks/lessons/screen-wipe-6.png)

## 4. Write the code that will clear show LEDS from the screen after pressing button A 

![](/static/mb/blocks/lessons/screen-wipe-7.png)