4 letter words
Pop Music
Sports
Before/After
Fruits/Veggies
100

A large underground chamber, typically of natural origin in a hillside or a cliff.

What is a Cave

100

This environmental factor can make it hard to breathe and impair the ability to exercise?

What is humidity

100

This fruit is foul smelling, tastes sweet and creamy, is yellow on the inside and green with spikes on the outside?

What is the durian fruit

200

A raised area of land, not a high as a mountain.

What is a Hill

200

"Don't go near the water is sung by this band?" 

What is the Beach boys
200

The sport or activity of paddling a light, narrow boat?

What is canoeing

300

A time of year between summer and winter, where the leaves change color on some trees?

What is Fall or Autumn