Combating Desertification-Saving Our Topsoil

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Description: Through an experiment, students learn what desertification is, where it occurs, why it occurs, and how it is linked to climate change.
Grade Levels: 3-5, 6-8
Keywords: desertification, agriculture, farming, management, overgrazing, tillage, soil degradation, human impact, soil conservation
Lesson Area: Soil Conservation
Resource Type: Lab Experiment

Next Generation Science Standards

Grade Discipline Core Idea
PreK-2 ESS3.A: Natural resources Living things need water, air, and resources from the land, and they live in places that have the things they need. Humans use natural resources for everything they do.
3-5 ESS3.A: Natural resources Energy and fuels humans use are derived from natural sources and their use affects the environment. Some resources are renewable over time, others are not.
6-8 ESS3.A: Natural resources Humans depend on Earth's land, ocean, atmosphere, and biosphere for different resources, many of which are limited or not renewable. Resources are distributed unevenly around the planet as a result of past geologic processes.
9-12 ESS3.A: Natural resources Resource availability has guided the development of human society and use of natural resources has associated costs, risks, and benefits.
PreK-2 ESS3.C: Human impacts on Earth systems Things people do can affect the environment but they can make choices to reduce their impacts.
3-5 ESS3.C: Human impacts on Earth systems Societal activities have had major effects on the land, ocean, atmosphere, and even outer space. Societal activities can also help protect Earth's resources and environments.
6-8 ESS3.C: Human impacts on Earth systems Human activities have altered the biosphere, sometimes damaging it, although changes to environments can have different impacts for different living things. Activities and technologies can be engineered to reduce people's impacts on Earth.
9-12 ESS3.C: Human impacts on Earth systems Sustainability of human societies and the biodiversity that supports them requires responsible management of natural resources, including the development of technologies.
3-5 ESS3.D: Global climate change N/A
6-8 ESS3.D: Global climate change Human activities affect global warming. Decisions to reduce the impact of global warming depend on understanding climate science, engineering capabilities, and social dynamics.