Here are the terms matched with their correct definitions:
1. Version of volleyball played six-on-six - **standard volleyball**
2. Hitting the ball to an empty part of the playing area - **ace**
3. Skill used to finish a point - **spike**
4. Version of volleyball played two-on-two - **beach volleyball**
5. The apparatus used to divide the field of play - **net**
6. More difficult of the two types of serves - **overhead serve**
7. What you would do if you make contact with the ball above shoulder level - **setting**
8. The boundary where the serve is made - **End Line**
9. The serve used more by novices - **underhand serve**
10. What you would do if you make contact with the ball below shoulder level - **passing**
Feel free to insert these matches into the respective inputs!