How The World Works: End of Unit

Central Idea: Geological resources give us clues to the past and help us determine our future.

Sixth-grade students expressed what they learned during this unit in various and creative ways.  Gavin replicated how fossils are formed by creating his own replica of a trilobite.  Ben created a video on Scratch to demonstrate how tectonic plates create mountains. Delaney created a poster with illustrations that explained how igneous, metamorphic and sedimentary rocks are formed and consequently how they are affected by weathering. Brooklyn worked on creating a poster that showed how layers of the earth can shift over time. Caira’s poster demonstrated several things, including the three types of weathering (chemical, biological, and physical). Dorthia created a poster to demonstrate her understanding of sedimentary, metamorphic, and igneous rocks, as well as a poster to share how she learned to identify sassafras leaves. Charlie created a diagram that illustrated how a tyrannosaurus rex fossil was created after being smashed by sedimentary layers for millions of years.

*Students also worked together to demonstrate an understanding of how index fossils can be used to determine the relative age and order of layers on the geologic time scale.

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