(4.7) Resources and Changes in Earth Surface
By examining soil students learn about its properties and role in supporting plant growth. Students also observe events that cause slow changes in the Earth’s surface and learn about Earth’s renewable and nonrenewable resources.
(4.7A) Physical Properties of Soils
The student is expected to examine properties of soils, including color and texture, capacity to retain water, and ability to support the growth of plants.
(4.7B) Slow Changes in Earth Surface
The student is expected to observe and identify slow changes to Earth's surface caused by weathering, erosion, and deposition from water, wind, and ice.
(4.7C) Natural Resources
The student is expected to identify and classify Earth's renewable resources, including air, plants, water, and animals; and nonrenewable resources, including coal, oil, and natural gas; and the importance of conservation.
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