____ is the activity of going down a mountain while holding on to a rope. ____ is a sport that is performed on a much smaller board, with a wider body, but significantly smaller than surfboards. ____ is a water sport that involves using a small narrow boat to navigate through the water. ____ is an activity, which involves walking across long distances generally on trails or paths. ____ is an air sport in which a pilot flies a light, non-motorised, fixed-wing heavier-than-air aircraft. ____ is the activity of using one's hands, feet, or other parts of the body to ascend many different types of steep surfaces.

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