Contents
Year 517 · Rock Layers and Fossils
KO

Year 5 · first unit

Rock Layers and Fossils

If you see stripes in a cliff, it is a book. The lower lines are long ago, the upper lines later. And fossils are pressed between them.

A child standing in front of a striped cliff

Earth piles up on a river bed

A board to run

A flood comes, goes down, and another comes. Run a few years.

Gravel, sand and mud piling up in layers under water

I felt three stones

A board to arrange

Tap a stone to look at it through the magnifying glass, then choose what hardened to make it.

A child looking at a stone through a magnifying glass

A fish died and sank to the bottom

A board to run

What has to happen for this to become a fossil? There are six stages.

A fish fossil left in stone