Here are the words with different sounds highlighted:

1. **A. public**
2. **B. globe**
3. **A. clock**
4. **A. children**
5. **A. team**
6. **A. mum**
7. **A. heavy**
8. **A. parents**
9. **B. significant**
10. **C. prepared**

The words that have a different sound in the underlined part are:

- **2. B. globe** (the "o" is pronounced differently than in others)
- **6. A. mum** (the "u" has a different sound)
- **8. A. parents** (the "a" sound differs)
- **9. B. significant** (the "g" has a different sound)
- **10. C. prepared** (the "ed" has a different sound)

In summary, the different sounds are primarily in **2**, **6**, **8**, **9**, and **10**.