Which of the sports on the vocabulary section are these people probably talking about?

1. The ball doesn’t roll in a straight line on the ground. You have to aim away from the centre of the pins. (ten-pin) bowling
2. Provided it’s not too windy at the top of the hill, there’s no problem. 
3. It is incredibly noisy, fast and dangerous, but it’s really exciting to watch. 
4. The horse has to get over a series of jumps without knocking the posts off. 
5. It’s all a matter of balance. But sometimes you can’t help falling in the water. 
6. You need a good eye and concentration, especially to hit the centre of the board. 
7. The different ball colours are worth different numbers of points. 
8. It’s a fantastic feeling when the snow flies up into the air around you.