Across
- 1. paths of flowing ocean water that push warm and cold water to different parts of the planet
- 3. the process of separating solid matter from a fluid by having the fluid pass through the pores of another substance, called a filter
- 5. a person who uses scientific knowledge and mathematics to solve a problem by creating new technologies
- 7. the average weather over a span of 30 years
- 8. a scaled-down first draft of a technology
- 11. the process of water falling back to Earth in the form of rain, snow, sleet, or hail
- 12. the process of liquid water changing into water vapor, its gas state
- 13. the weighing of human needs against the needs of the environment to create a sustainable way for humans to live off of natural resources
- 14. occurs when water, a long with the substances carried in it, flow from the surface of an area of land, a building or structure
Down
- 2. anything that can cause harm to the environment
- 4. the conditions of the atmosphere in a particular place at a particular time
- 6. a storm system with strong thunderstorms and sustained winds of 119 to more than 252 kilometers per hour
- 9. the relationship between things, as to size, quantity, or number
- 10. the circulation of water through the hydrosphere from Earth's surface to the atmosphere and back