Prefix Power: Unveiling "un-" and "pre-"

What does the prefix "un-" mean in the word "unhappy"?

• Not

• Before

Which word means to do something before it's needed?

• Unkind

• Precook

What does the prefix "pre-" mean in the word "preview"?

• Before

• Very

Choose the word that means to tie something again.

• Untie

• Pretie

Which word means not able to be seen?

• Invisible

• Previsible

What does the prefix "un-" mean in the word "unlock"?

• Before

• Not

Which word means to plan or arrange before?

• Unplan

• Preplan

What does the prefix "pre-" mean in the word "preheat"?

• Before

• Very

Choose the word that means not clean.

• Preclean

• Unclean

Which word means to write something before it is published?

• Prewrite

• Writeless