What is the law of superposition?

It says that in undisturbed layers, the oldest layer is at the bottom and the youngest is at the top, because each layer settles on top of the last one.

How do index fossils help date rock layers?

Index fossils come from a species that lived for a short time over a wide area. The same index fossil in two places shows that the layers are about the same age.

6th Grade Weathering and Rock Layers Worksheets

Ages 11-12 · Free previews · Print-ready PDFs

Written by Adi Ackerman, Head Teacher

Weathering, erosion and deposition reshape Earth's surface, and rock layers record the order in which past events happened. These weathering and rock layers pages hold 2 6th grade worksheets, each with an answer key. Weathering, Erosion and Deposition has students complete a chart and classify eight events. Rock Layers and Relative Age has students use superposition and cross-cutting relationships to order six layers, a fault and an intrusion. The sheets carry MS-ESS2-2 and MS-ESS1-4.

6th Grade Science Earth Science Weathering and rock layers Clear All

Rock Layers and Relative Age

Grade6th Grade

TopicEarth Science

Weathering, Erosion and Deposition

Grade6th Grade

TopicEarth Science

More earth science worksheets

Explore all of our 6th grade earth science worksheets, covering earth's layers and plate tectonics, earthquakes and volcanoes, rocks and minerals, weathering and rock layers.

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Frequently Asked Questions

Weathering breaks rock into smaller pieces where it sits. Erosion moves the broken pieces away, and the four agents on the sheet are water, wind, ice and gravity.

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