Erosion Assignment Water, Ice, and Wind

Key Concepts/Vocabulary Section 6.2 The Work of Streams How do streams erode their channels and transport sediment? What are the two types of stream valleys? How does stream deposition occur? Define: delta, natural levee, and floodplain Section 7.1 Glaciers What landscape features do glaciers form (two answers)? How do glaciers cause erosion? What distinguishes the various types of glacial drift? (two answers) Define: glacier, glacial trough, till, stratified drift, moraine Section 7.3 Landscapes Shaped by Wind How does deflation cause erosion in the desert? How does abrasion shape desert landscapes? What types of landforms are deposited by wind? Vocab: deflation, desert pavement, loess, and dune

Comparing Agents of Erosion Agent of Erosion How does it erode Erosional Features Depositional Features Examples around the world Water Ice Wind Pg Assessment 1-5

Review Questions 1.A rock that forms from cooling lava is classified as an _____. 2.What are the major components of soil? 3.Why can two igneous rocks have the same minerals but different names? 4.The three groups of rocks are classified by _____. 5.Compared to the past, rates of soil erosion are _____. 6.A metamorphic rock can be classified according to its _____. 7.Sedimentary rocks with ripple marks suggest that the rocks formed _____. 8.Lava that cools so quickly that ions do not have time to arrange themselves into crystals will form igneous rocks with a _____. 9.The gradual rounding of the corners and edges of angular blocks of rock is called _____. 10.List human activities that have caused an increase in soil erosion.

Review Questions 1.A rock that forms from cooling lava is classified as an _____. Extrusive igneous rock 2.What are the major components of soil? Mineral matter, humus, air, and water 3.Why can two igneous rocks have the same minerals but different names? The rocks may have different textures. 4.The three groups of rocks are classified by _____. How they are formed 5.Compared to the past, rates of soil erosion are _____. Faster 6.A metamorphic rock can be classified according to its _____. Texture and composition 7.Sedimentary rocks with ripple marks suggest that the rocks formed _____. Along a beach or stream bed 8.Lava that cools so quickly that ions do not have time to arrange themselves into crystals will form igneous rocks with a _____. Glassy texture 9.The gradual rounding of the corners and edges of angular blocks of rock is called _____. Spheroidal weathering 10.List human activities that have caused an increase in soil erosion. Plowing land for farming, clear-cut logging, and clearing land for construction.