All in the Cards

Everything on Earth belongs to one of four spheres. All of the processes on Earth are driven by four spheres; the atmosphere, hydrosphere, geosphere and biosphere. Together, they make up all of the living and nonliving components of our planet. All the spheres interact with other spheres. For example, rain from the hydrosphere falls from clouds in the air of the atmosphere to the land of the geosphere and forms streams and rivers that provide drinking water for wildlife and humans as well as water for plant growth in the biosphere. River action erodes banks in the lithosphere and uproots plants in the biosphere on the riverbanks. Flooding rivers wash away soil. In this lesson, students will investigate Earth spheres in the natural world by recording their observations. They will identify the spheres from their observations by creating sphere cards and labeling each card with words and pictures of things to represent each of Earth's spheres. Through observations and asking questions, the students will be able to connect the spheres in their terrarium models to Earth spheres in the natural world.

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ScienceOnASphere ScienceAdventure Planetarium
4.RI.4 GLO-1 GLO-3 GLO-4 SC.4.1.2 4-ESS2.A
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