pxt-calliope/docs/lessons/screen-wipe/quiz.md

# screen wipe blocks quiz

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

## Name

## Directions

Use this activity document to guide your work in the [screen wipe activity](/lessons/screen-wipe/activity)

Answer the questions while completing the tutorial. Pay attention to the dialogues!

## 1. Describe what "clear screen" does? 



## 2. Write the code that clears an image from the screen

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


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



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