pxt-calliope/olddocs/lessons/screen-wipe/quiz.md
Tom Ball f4eca66648 move lessons out of web site
will move select lessons back to "educators" section
2016-06-14 11:49:58 -04:00

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# 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