Teacher resources · Grades 1–6
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“erosion”
Grade 4 · Earth Science
Weathering, Erosion, and Deposition
See how rock breaks down, sediment moves, and material settles. Use measurements from a water-erosion model to explain how Earth's surface changes.
50 min · ~12 min prep · 8 materials
Grade 2 · Earth Science
Fast & Slow Changes to Earth
Use several sources to compare Earth events that happen quickly with processes that change the surface slowly over time.
40 min · ~9 min prep · 5 materials
Grade 2 · Earth Science
How Water and Wind Change the Land
Observe how water and wind move loose land material, then compare solution designs under matched test conditions.
40 min · ~12 min prep · 6 materials