*Question*
A fluid exerts pressure in all directions, but the pressure is greater at greater depth. Mike dove deeper and deeper into the ocean trench. As he goes lower, the pressure exerted on him by the water increases or decreases?
**Answer**
increases

*Question*
A given volume of a denser substance is heavier than the same volume of a less dense substance. Compared to a box of bricks a box of feathers would be lighter or heavier?
**Answer**
lighter

*Question*
With less ozone in the stratosphere, more UV rays reach the ground. What happens to UV levels away from the ozone hole increase or decrease?
**Answer**
decrease

*Question*
The more an elastic object is stretched or compressed, the greater its elastic potential energy is. John stretches a rubber band, making it larger and larger. The more he stretches the rubber band will it have more or less elastic potential energy?
**Answer**
more