solve crossword

1234
Across
  1. 2. To add the music blocks to your Scratch project, click on the _______ button first.
  2. 3. The collection of step-wise instructions given to a sprite is known as ________
  3. 4. The _______ option allows you insert symbols and special characters in a document.
Down
  1. 1. The _______ contains the frequently used commands.