pxt-calliope/docs/reference/js/lessons/snowflake-fall/quiz.md

# snowflake fall quiz

create a snowflake fall animation.

## Name

## Directions

Use the hints in the [snowflake fall activity](/microbit/lessons/snowflake-fall/activity) to answer this quiz!

## 1. In reference to an animation, what is an "interval"?

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## 2. What is the interval of the animation?

```
basic.showAnimation(`
. . . . .
. . # . .
. # # # .
. . # . .
. . . . .
`, 400)
```

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## 3. How can we make this animation never stop displaying on the BBC micro:bit?

![](/static/mb/lessons/snowflake-fall-0.png)

<br/>

## 4. Write the code to create a forever loop that shows an animation of these images. Change the interval from 400 to 800 to make the animation go twice as slow!

![](/static/mb/lessons/snowflake-fall-1.png)

![](/static/mb/lessons/snowflake-fall-2.png)

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