Educational worksheet to practice breaking down words into prefixes, root words, and suffixes.

To solve the problem, we need to identify the prefix, root word, and suffix for each given word. Let's break it down step by step:

Definitions:

- Prefix: A group of letters added to the beginning of a root word to modify its meaning.
- Root Word: The base part of a word that carries the primary meaning.
- Suffix: A group of letters added to the end of a root word to modify its meaning or form a new word.

Words and Analysis:

1. preheat
- Prefix: pre-
- Root Word: heat
- Suffix: None

2. unkind
- Prefix: un-
- Root Word: kind
- Suffix: None

3. undersea
- Prefix: under-
- Root Word: sea
- Suffix: None

4. submarine
- Prefix: sub-
- Root Word: marine
- Suffix: None

5. comfortable
- Prefix: None
- Root Word: comfort
- Suffix: -able

6. wonderful
- Prefix: None
- Root Word: wonder
- Suffix: -ful

7. defrost
- Prefix: de-
- Root Word: frost
- Suffix: None

8. overlook
- Prefix: over-
- Root Word: look
- Suffix: None

9. quickly
- Prefix: None
- Root Word: quick
- Suffix: -ly

10. breathless
- Prefix: None
- Root Word: breath
- Suffix: -less

11. tallest
- Prefix: None
- Root Word: tall
- Suffix: -est

12. replay
- Prefix: re-
- Root Word: play
- Suffix: None

13. underground
- Prefix: under-
- Root Word: ground
- Suffix: None

14. small
- Prefix: None
- Root Word: small
- Suffix: None

15. unhappy
- Prefix: un-
- Root Word: happy
- Suffix: None

16. preschool
- Prefix: pre-
- Root Word: school
- Suffix: None

17. disappear
- Prefix: dis-
- Root Word: appear
- Suffix: None

18. inside
- Prefix: in-
- Root Word: side
- Suffix: None

19. reread
- Prefix: re-
- Root Word: read
- Suffix: None

Final Answer:

Here is the completed table:

| WORDS | PREFIX | ROOT WORD | SUFFIX |
|--------------|---------|-----------|----------|
| preheat | pre- | heat | None |
| unkind | un- | kind | None |
| undersea | under- | sea | None |
| submarine | sub- | marine | None |
| comfortable | None | comfort | -able |
| wonderful | None | wonder | -ful |
| defrost | de- | frost | None |
| overlook | over- | look | None |
| quickly | None | quick | -ly |
| breathless | None | breath | -less |
| tallest | None | tall | -est |
| replay | re- | play | None |
| underground | under- | ground | None |
| small | None | small | None |
| unhappy | un- | happy | None |
| preschool | pre- | school | None |
| disappear | dis- | appear | None |
| inside | in- | side | None |
| reread | re- | read | None |

This completes the task! 😊