EARTH'S CHANGING SURFACE - OBJECTIVES
6.1.1 Identify and describe the earth's surface
a. Name and describe the main landforms and the earth's four spheres
6.1.2 Identify and investigate weathering, erosion, and their effects
a. Identify and discuss causes of mechanical and chemical weathering and factors that effect speed of weathering
b. Describe the composition of soil and explain how it is formed
c. Identify ways soil is lost or destroyed and explain the importance of soil conservation
d. Name and describe processes that wear down the earth's surface
e. Explain gravity as a force that effects erosion
f. Explain water erosion and describe features formed by it
g. Describe land features formed by sediment
h. Explain how sediment enters moving water and list factors that affect water's ability to erode and carry sediment
i. Name and describe two types of glaciers and ways they erode land
j. Explain how glaciers deposit sediments and the role of glaciers in the earth's history
k. Identify how ocean waves get their energy and explain how waves shape landforms and change coastlines
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