The grinding away of rock by other rock particles

2. The grinding away of rock by other rock particles What is abrasion? Back to you Alex 100

3. This type of weathering causes the mineral composition of rocks to change. What is chemical weathering? Back to you Alex 200

4. 2 causes of chemical weathering What are water, oxidation, carbonic acid, plant acids & acid rain? Back to you Alex 300

5. Weathering occurs fastest when the climate is these two things. What is hot and humid? Back to you Alex 400

6. 2 ways that plants cause weathering What is roots prying apart cracks in rocks and producing weak acids that dissolve some rocks? Back to you Alex 500

7. #1 agent of erosion What is water? Back to you Alex 100

8. The process of moving weathered rock & soil from one place to another What is erosion? Back to you Alex 200

9. The definition of deposition What is laying down sediment in a new location? Back to you Alex 300

10. Plants hold soil in place and protect it from these 2 types of erosion. Daily Double What are water and wind erosion? Back to you Alex 400

11. A method farmers use to minimize soil erosion What is leaving dead stalks & weeds in the group (conservation plowing) or plowing along the curves of the land (contour plowing)? Back to you Alex 500

12. 5 natural hazards What are avalanche/blizzard, hurricane, tornado, flood, drought, tsunami, earthquake, volcano, landslide, or wildfire? Back to you Alex 100

13. An example of a catastrophic event that would speed up erosion & deposition What is hurricane, tornado, flood, drought, tsunami, landslide, or wildfire? Back to you Alex 200

14. An example of a catastrophic event that would change Earth’s crust What is earthquake or volcano? Back to you Alex 300

15. 2 ways that human activities can decrease the damage of natural hazards What are using sturdy building materials, having a safety/evacuation plan, warning systems, board up windows (hurricane), conserve water (drought)? Back to you Alex 400

16. Three ways that human activities can increase the damage caused by natural disasters What are farming, logging, mining, building on coasts/floodplains or pollution? Back to you Alex 500

17. When a drought struck the U.S. in the 1930s, the Dust Bowl occurred because of this human activity What is poor plowing techniques that left the soil exposed to the wind? Back to you Alex 100

18. The management of soil to prevent its destruction What is soil conservation? Back to you Alex 200

19. Besides money, a cost of cutting down a forest to build a neighborhood What is disrupt the ecosystem, destroy wildlife habitats, reduce number of producers available to food web, reduce number of trees to clean the air, etc. ? Back to you Alex 300

20. A benefit of cutting down a forest to build a neighborhood What is new homes for families & jobs for construction workers? Back to you Alex 400

21. Three ways people can reduce their use of natural resources Daily Double What are recycle, conserve water, lower thermostat, buy recycled products, carpool, turn out lights when leaving a room, etc? Back to you Alex 500

22. Oil and coal are this type of resource. What is non-renewable? Back to you Alex 100

23. An example of an inexhaustible resource What are sunlight, geothermal, hydroelectric, or wind? Back to you Alex 200

24. Fruit, livestock, fish and forests are this type of resource. What is renewable? Back to you Alex 300

25. The reason we should not rely on non-renewable sources of energy What is those energy sources can eventually run out? Back to you Alex 400

26. A renewable resource can become completely used up if this happens What is the resource is used faster than it is replaced? Back to you Alex 500