These 4-page guided notes walk 5th grade students through modeling Earth's interacting spheres, matched to NGSS 5-ESS2-1. Students fill blanks as the lesson runs, from the four spheres to what a good scientific model needs. Two worked examples, a volcano eruption and beavers building a dam, show which spheres meet and where the arrows go. The notes end with a plan for each student's own model of wind blowing sand into dunes, with a short checklist.
5-ESS2-1
“Develop a model using an example to describe ways the geosphere, biosphere, hydrosphere, and/or atmosphere interact.”
Both worked examples and the dune model plan, each of which asks for two spheres joined by an arrow and explained in a caption.
Three blanks complete the definitions, starting with the word for Earth's four main parts and then living things and water.
Blanks cover what a model represents, how it shows two spheres interacting, and the arrows it needs. A written prompt asks why a short caption helps.
Magma and rock from the geosphere burst out and send ash and gases into the atmosphere. Students describe the arrow they would draw between the two.
The beaver belongs to the biosphere and the river to the hydrosphere. Students write a caption on how the dam changes the water.
Students prepare a model of wind blowing sand into dunes and check it against a list: exactly two spheres, arrows, and a caption.
During direct teaching
Hand the notes out at the start and pause at each blank. The volcano section refers to a diagram on the board, so have it ready to project.
Model-building lesson
The dune task sets up an activity later the same day. Give students paper and colored pencils and hold them to the checklist at the end of the notes.
Catch-up for absent students
The key lists every inline blank in order, plus model notes for the volcano and the beaver dam, so a student who missed the lesson can catch up alone.
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