Across
- 3. the science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere.
- 6. the water beneath the surface of the ground, consisting largely of surface water that has seeped down: the source of water in springs and wells.
- 7. containing, or resembling common table salt; salty or saltlike: a saline solution.
- 8. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere.
- 9. the crust and upper mantle of the earth.
- 10. the area drained by a river and all its tributaries.
Down
- 1. Water on the Earth is part of a closed system called the hydrologic cycle. Water evaporates, forms clouds, falls as rain or snow, collects in oceans, lakes and rivers and freezes as ice. No new water is created and it does not leave the system.
- 2. When scientists talk about the issue of climate change, their concern is about global warming caused by human activities.
- 4. what is the Earth in
- 5. an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of accumulation, as in continental glaciers.