# Problem Set 0

## What to Do

2. Implement your very own Scratch project using Chrome, per this specification.

## When to Do It

By 20200906T235900-0400. If you add the course after then, no worries, email heads@cs50.harvard.edu for an extension.

## How to Get Help

Here are David’s examples from lecture if you’d like to review! To see the source code of each, click See inside.

## How to Submit

### Step 1 of 2

Submit this form.

### Step 2 of 2

This step assumes that you’ve downloaded your Scratch project as a file whose name ends in .sb3.

1. Go to CS50’s Gradescope page. If you get a message that says “You are not authorized to access this page,” be sure you completed the Gradescope part of the setup form in Step 1!
2. Click “Problem Set 0: Scratch”.
3. Drag and drop your .sb3 file to the area that says “Drag & Drop”. (Be sure that your file ends with .sb3!)