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Ellis Abel Learns.

In my own words · Dodge County, WI

Why I love rocks

Cylindrical rock cores laid out in trays at the USGS Core Research Center, showing bands of different rock layers. Real USGS photograph used on the Ellis Abel Learns "Why I Love Rocks" page — read by families in Dodge County, WI.
Cylindrical rock cores laid out in trays at the USGS Core Research Center, showing bands of different rock layers. U.S. Geological Survey · Public domain
  • Every rock came from somewhere.
  • I can tell them apart by how they scratch.
  • Some of these are older than anything alive.

You can love rocks in Dodge County.

What it really is

Rocks record how they formed — from heat, from pressure, or from settling.

Three things to try today

  1. Collect five different rocks.
  2. Try to scratch each one with a coin.
  3. Sort them from softest to hardest.
Geologist Jonathan Caine swings a rock hammer against a fault outcrop in Deadman Gulch, Colorado, to break off a sample. Real USGS photograph used on the Ellis Abel Learns "Why I Love Rocks" page — read by families in Dodge County, WI.
Geologist Jonathan Caine swings a rock hammer against a fault outcrop in Deadman Gulch, Colorado, to break off a sample. Scott Minor, USGS · Public domain

For the grown-up reading this

This page is written to the child, not about them. If a kid in Dodge County, WI loves rocks, here is the grown-up version of what they already feel. Dodge County is one of 72 counties in Wisconsin.

The scratch test is real mineralogy. Hardness is a diagnostic property.

If the kid who loves this is a girl

Read what one popular teacher said to one little girl who took out the classroom trash without being asked — and what that girl did with the rest of her life.

Girls are great at math — Dodge County, WI →

Love something else too

Near Dodge County

Why I love rocks, everywhere in the US · All things to love · STEM jobs you could do · Summer camps in Dodge County