put lessons back for Michael

docs/lessons/snowflake-fall/quiz-answers.md

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+# snowflake fall blocks quiz answers
+
+Create a snowflake fall animation.  
+
+This is the answer key for the [snowflake fall quiz](/lessons/snowflake-fall/quiz).
+
+## 1. What is a forever loop?
+
+Run code in the background forever (answers may vary).
+
+## 2. Draw the picture that will be produced with this code
+
+```blocks
+basic.forever(() => {
+    basic.showLeds(`
+. # . # .
+# # # # #
+# # # # #
+. # # # .
+. . # . .`);
+});
+
+```
+
+![](/static/mb/lessons/flashing-heart-0.png)
+
+## 3.Write the code for a forever loop and show LEDS for these images!
+
+![](/static/mb/lessons/snowflake-fall-0.png)
+
+```blocks
+basic.forever(() => {
+    basic.showLeds(`
+        . . . . .
+        . . # . .
+        . # # # .
+        . . # . .
+        . . . . .
+        `);
+    basic.showLeds(`
+        . . . . .
+        . . . . .
+        . . . . .
+        . . . . .
+        . . . . .
+        `)
+});
+```
+
+## 4. Write the code for a forever loop and show LEDS for these images!
+
+![](/static/mb/lessons/snowflake-fall-1.png)
+
+![](/static/mb/lessons/snowflake-fall-2.png)
+
+```blocks
+basic.forever(() => {
+    basic.showLeds(`
+        . . . . .
+        . . # . .
+        . # # # .
+        . . # . .
+        . . . . .
+        `);
+    basic.showLeds(`
+        # # # # #
+        # # . # #
+        # . # . #
+        # # . # #
+        # # # # #
+        `)
+});
+```