vocabulary
by Ward Bond
1. porosity is holes in a rock where liquid or air can pass
2. sinkholes are holes in the ground caused by a collapse of a surface layer
3. landslides are sliding of a mass down a mountain or cliff
4. aquifers are underground layers of water bearing rock
5. infiltration is the process by which ground water enters the soil
6. water table is the level where the ground is saturated
7. frost weathering is caused by the repeated freeze and thaw cycle of water in extreme climates
8. clay is fine grained earth that forms a layer of soil
9. sand is a loose granular substance resulting from erosion of siliceous rocks
10. chemical weathering is the breakdown of rock by chemical mechanisms
11. acid precipitation has elevated levels of hydrogen ions that has harmful effects
12. erosion is where surface processes remove soil and rock
13. zone of aeration is the area is where there is both air and water in the ground
14. flooding is covering an area with water
15. weathering is rock being worn away by long exposure to air
16. zone of saturation is the area of the water table where the voids are filled with water
17. soil is the upper layer of earth where plants grow
18. physical weathering rocks soil and minerals being broken down by pressure, temperature, water, and ice
19. ph scale measures how acacia or basic a substance is
20. pollution is a harmful substance in the environment
21. a tsunami is a giant wave caused by an earthquake
22. geo hazard is a geological state that leads to widespread damage
23. watersheds are an area of land that separates water flowing to different rivers
24. groundwater is water held in the pores or crevices of rocks
25. silt is granular material between sand and clay
26. barrier islands are sand islands next to the coastline
27. surface water is water on the surface of the planet
28. river basins are areas of land drained by a river and its tributaries
