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World Geography 3200 / 3202: Unit 1- Physical and Chemical Weathering Name:___________ 1. Define the following terms: WEATHERING EROSION DENUDATION 2. Define the term PHYSICAL WEATHERING:______________________________________________________ __________________________________________________________________________________________ 3. Explain the different types of physical weathering: TYPE EXPLANATION Frost Fracture Heat Expansion Plant Growth Burrowing Animals Exfoliation 4. Describe the Environment’s affect on physical weathering. SKETCH 5. Define the term CHEMICAL WEATHERING: _____________________________________________________ __________________________________________________________________________________________ 6. Describe the types of chemical weathering. TYPE DESCRIPTION Solution Formation Hydrolysis Oxidation 6. How do environmental conditions affect chemical weathering? SKETCH World Geography 3200 / 3202: Unit 1 Active Learning Activity – Weathering 1. Name:___________ Analyze Figure 2.3 & 2.4 on page 24 of you book and determine which type of weathering (physical or chemical) has occurred is each photo. Write your answers in the table below. Figure Type of Weathering (chemical or physical) Explain your choice 2.3 p. 24 photo from Australia 2.4 p.24 photo of cavern formation 2. Identify the type of weathering (physical or chemical) listed in the table below. Once you have identified whether it is physical or chemical identify the agent or process responsible for the weathering. The first one is done for you. EVENT TYPE OF AGENT OR WEATERING PROCESS Fracturing rocks in a camp fire Cracked sidewalks after a severe winter Dissolving limestone by acidic groundwater Green stain formed on a copper roof Split pavement with weeds growing up Yellow limonite stain on iron bearing rocks Rock layers peeling away from a sandstone headstone The change of a pink feldspar silicate mineral to a soft powdery white clay. The gradual disappearance of writing on marble head stones. Physical Heat expansion