PPT
Curated OER

Earth's Water Sources

For Teachers 5th - 7th
General facts about Earth's water sources, human use, and the water cycle are outlined by this presentation. Slide three has a grammatical error and slide nine refers to the local watershed of the author, so you will need to make a few...
PPT
Curated OER

Weathering and Soil Formation

For Teachers 5th - 7th
A set of 27 slides systematically shows how weathering, erosion, and deposition contribute to soil formation. Both chemical and mechanical weathering are described, as are resulting soil layers and properties. There is no longer any need...
PPT
Mr. E. Science

Weathering and Soil

For Students 6th - 8th Standards
From types of rocks to types of weathering, learners gain knowledge on minerals, composition of soil, and the effects of weathering on Earth.