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

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+# snowflake fall quiz
+
+create a snowflake fall animation #animation#forever #docs
+
+## 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"?
+
+<br />
+
+## 2. What is the interval of the animation?
+
+```
+basic.showAnimation(`
+. . . . .
+. . # . .
+. # # # .
+. . # . .
+. . . . .
+`, 400)
+```
+
+<br/>
+
+## 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)
+
+<br/>
+