Across
- 4. the process in which a gas changes into a liquid
- 6. nuclei, tiny particles of dust, dirt, or smoke in the air
- 9. water that collects in cracks and pores in underground soil and rock layers
- 10. the layer of gasses that surrounds Earth; commonly called teh air
Down
- 1. the process in which a liquid changes into a gas
- 2. the force that causes objects with mass to attract one another
- 3. rainfall, and surface water that drains or flows from the land into streams, rivers, lakes, or the ocean
- 5. any form of water --- rain, snow, sleet, or hail --- that falls to Earth
- 7. water, water from precipitation that drains into a gully that flows into a stream, which in turn flows into a river, lake, reservoir, estuary, wetland, or the ocean
- 8. cycle, continuous movement of water between Earth's surface and the air
