Sixth graders examine how different soils are made up of varying proportions of clay, silt, and sand. They compare soil samples, conduct Internet research, and create a model to demonstrate the relative sizes of grains of clay, sand, and silt.
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Infiltration Test: Exploring the Flow of Water Through Soils
Soil scientists gain experience with an infiltrometer can to determine the infiltration rates at different locations on campus. If you are using the entire unit, the class has already analyzed water flow and soil types, so they should...
4th - 12th Science
New Review How To (Literally) Save Earth
Soil naturally erodes and produces new soil at the same rate when left to nature, yet farming erodes the soil 50 times faster than it forms. The video discusses soil, the ways humans damage it through their actions, and encourages many...
3 mins 6th - 12th Science CCSS: Adaptable
New Review What Can You Learn From Ancient Skeletons?
Skeletons may not be able to speak, but they can still tell us a lot. High schoolers watch a short video about the ways biological anthropologists can use a skeleton's bone structure to determine age, gender, place of birth, and social...
4 mins 6th - 12th Science CCSS: Adaptable
Soil, Designer Soil: From Rainforests to the Prairie
Students explore the role and importance of soil in the ecosystem. In this Science and Social Studies instructional activity, students complete an experiment using various kinds of soil and clay and then examine how soil has a direct...
6th - 9th Science