Vocabulary

1. A quadrangular area on which ball games are played, such tennis or basketball.
4. Dangerous substances that need careful .
7. A person who trains and directs an athlete or a sports.
9. Millions of coputer networks that communicate together.
10. An aggregation of data on a storage device, identified by a name.
12. To use things like enery, fuel,materials, food, water,etc.
13. A piece of land marked out for a sports contest e.g hokey field.
15. The leader of a team.
16. The order in which organisms in an ecosystem eat one another.
17. Increase the volumen.
18. The person one competes against in a contest or a game,rival.
19. Without musical accompaniment.

1. on To shout encouragement to a team or a player.
2. The basic rhythmic unit in a piece of music.
3. A peson who trains for and competes in a sports.
5. To give someone something as a reward for high achievement.
6. The manner in which things come together and are connected.
8. A game or event in which people compete to win.
11. To protect ones´s goal rather than attempt to acore against one´s opponents.
14. A collection of data arranged for ease and speed of search and retrieval.