Science Space Systems & Earth's History Conceptual 9–10 yrs

How fossils form

化石的形成过程

Description

Identify evidence from patterns in rock formations and fossils in rock layers to support an explanation for changes in a landscape over time

Mastery Evidence

✓ Explain that rock layers (strata) form over time, with the oldest at the bottom
✓ Describe how fossils in different layers provide evidence of organisms that lived at different times
✓ Use patterns in rock formations to explain how a landscape has changed over millions of years

Assessment Prompt

If your child sees layers of rock in a cliff face, can they explain that the bottom layers are oldest and any fossils tell us what lived there long ago?