Teks

Science 4.7

Earth and space. The students know that Earth consists of useful resources and its surface is constantly changing. The student is expected to:

  • (1)检查土壤的特性,包括颜色和质地,保留水的能力以及支持植物生长的能力;
    • (a)观察并确定由于水,风和冰的风化,侵蚀和沉积而引起的地球表面变化的缓慢变化;和
    • (B) 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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