What is the primary function of a prefix in a word?

• To alter the meaning of the word

• To make the word sound better

• To change the spelling of the word

• To make the word longer

Which of the following words correctly uses the prefix 'un'?

• Under

• Uncle

• Unhappy

• Unicorn

Why are 'Uncle' and 'under' not considered words with the prefix 'un'?

• Because 'un' is not a prefix

• Because 'cle' and 'der' are not base words

• Because they are not real words

• Because they do not start with 'un'

What does the prefix 're' signify when added to a word?

• To stop doing something

• To do something for the first time

• To do something incorrectly

• To do something again

Which of the following words uses the prefix 're' correctly?

• Reunicorn

• Reheat

• Reunder

• Recle