pxt-calliope/olddocs/lessons/flashing-heart/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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# flashing heart blocks quiz
Learn how to create a blinking image with a variable.
## Name
## Directions
Use this activity document to guide your work in the [flashing heart activity](/lessons/flashing-heart/activity).
Answer the questions while completing the activity. Pay attention to the dialogues!
## 1. Describe what `pause` does?
## 2. Write the code that leaves an image on the screen for 1 second (1000 milliseconds)
## 3. Write the code that leaves an image on the screen for 1.5 seconds (1500 milliseconds)