Hydro- Water

12345678
Across
  1. 1. the simplest chemical element; when joined with oxygen they form water
  2. 2. using pressurized water or another fluid to create mechanical power
  3. 3. to supply with ample fluid or moisture
  4. 6. the scientific study of water on Earth or other planets
  5. 7. renewable energy that uses natural flow of water to generate electricity
  6. 8. the sum of all the water on Earth, including water on the surface, underground, and in the air
Down
  1. 1. a discharge pipe with a valve and spout at which water may be drawn from the water main
  2. 3. when water separates a vehicle’s tires from the ground causing a loss of control
  3. 4. to remove water from something
  4. 5. a microphone designed to be used underwater to record or listen to sound