Across
- 4. a natural or artificial lake in which water is collected and stored for use
- 5. change into a vapor or gas
- 6. global warming and other changes in the weather and weather patterns
- 7. movement of people or animals from one region or habitat to another
- 8. a rod in the center of a wheel, around which the wheel turns
Down
- 1. a machine that produces electricity by turning a magnet inside a coil of wire
- 2. coming from a source that is unable to be used up
- 3. an xan engine powered by water, steam, wind, or gas passing through the blades of a wheel
- 6. a channel that is dug across land so that water can flow from one place to another
