pxt-calliope/olddocs/js/lessons/screen-wipe/quiz.md

# screen wipe 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 tutorial](/lessons/screen-wipe/tutorial)

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

## 1. What does the function "clear screen" do on the @boardname@? 

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## 2. We can show all of these images in one line of code. What method can we use to do this?

![](/static/mb/lessons/screen-wipe-0.png)

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## 3. How can the @boardname@ detect when it is shaken?

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## 4. Write the code that will clear an animation from the screen after shaking the @boardname@.

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