1. 1. What type of weathering caused the rock to break? 2. What type of weathering caused the formation of the stalactites and the stalagmites? 3. What type of weathering caused the rocks to break? 4.What is happening in the picture? 5.How can you prevent this? Physical/mechanical weathering Ice-wedging Chemical weathering Rock chemically changing from acids in groundwater Physical/mechanical weathering Tree roots getting bigger Physical/mechanical weathering 4. Wind erosion 5. Planting trees

2. DefinitionVocabulary Word 1 Breaks down rock and changes the rock composition 2 The movement of rock materials 3 Rain or snow containing high concentration of acids 4 The material that causes the Most amount or weathering 5 Breaking down rock without changing the composition 6 Acids produced by lichens breaking down rock 7 Water freezing and thawing to break rocks 8 Iron becoming rust 9 Breaking down rock into smaller pieces 10 The force(s) that causes erosion Weathering M/P weathering Chemical weathering Erosion Acid precipitation Ice wedging Wind Water Ice Gravity Chemical weathering Erosion Acid precipitation Water Mechanical/Physical weathering Chemical weathering Ice wedging Chemical weathering Weathering Wind, Water, Ice, Gravity

3. Example DefinitionVocabulary Word The process of breaking rocks into smaller pieces.

4. DefinitionVocabulary Word Breaking down rock without changing the rock composition

5. DefinitionVocabulary Word Rain or snow that contains high concentration of acids

6. DefinitionVocabulary Word The movement of rock particles from one place to another

7. DefinitionVocabulary Word Water freezing and expanding to break rock

8. DefinitionVocabulary Word Breaking down rock by chemically changing the rock composition

9. DefinitionVocabulary Word Iron becoming rust is an example of this type of weathering

10. DefinitionVocabulary Word The thing that causes the greatest amount of weathering and erosion

11. DefinitionVocabulary Word Acids produced by lichens to break down rock is an example of this type of weathering

12. DefinitionVocabulary Word The forces that can cause weathering and/or erosion

13. Ice Wedging Chemical Weathering M/P Weathering or

14. The rocks have changed to Stalagmites and Stalactites Chemical Weathering M/P Weathering or Stalactites Stalagmites

15. Ice Wedging Chemical Weathering M/P Weathering or

16. The iron in the soil is rusting (changing) Chemical Weathering M/P Weathering or

17. Tree roots expanding Chemical Weathering M/P Weathering or

18. The iron nails are rusting (changing) Chemical Weathering M/P Weathering or

19. “Dust Bowl” Wind weathering and erosion Chemical Weathering M/P Weathering or

20. “Lichens” growing on the rock and changing the surface Chemical Weathering M/P Weathering or Brown area

21. Both chemical and mechanical: Tree roots, water, acid, everything Chemical Weathering M/P Weathering or

22. The metal is rusting (changing) Chemical Weathering M/P Weathering or