What part of speech is the word "quick"?

The chef’s hands moved quick as she demonstrated the proper technique for dicing onions.]]> What is "quick" modifying?

The chef’s hands moved quick as she demonstrated the proper technique for dicing onions.]]> The verb, "moved", is being used as what kind of verb?

The chef’s hands moved quick as she demonstrated the proper technique for dicing onions.]]> The chef's hands moved quickly as she demonstrated the proper technique for dicing onions. Type the correct form of the underlined modifier into the box, then submit it and say the sentence.

The chef’s hands moved quick as she demonstrated the proper technique for dicing onions.]]>