Background Background
Life Sciences
Evolution and Diversity
Vertical Alignment

TEKS:

3rd
3.12(D)
4th
4.12(C)
7th
7.10(A)
Bio
B.9(A)B.9(B)

NGSS:

4th: 4-ESS1-1
MS: MS-ESS1-4 MS-ESS2-3 MS-LS4-1 MS-LS4-2
Linked To
Downloads
Structured Conversation Questions
Observational

What is a fossil?

A fossil is…
Relational

How is a fossil related to a living organism?

A fossil is related to a living organism because...
Inferential

How could you use the depth of a fossil to determine its age?

I could use the depth of a fossil by...
Vocab Visual

Yipsel Semones

the coloring of the layers can be misleading. Where the lizard dies is brownish which I get it changes the soil coloring over time, but students can wonder why the lizard is not found on "layer 3" but on layer 1?

06-01-26

Stephen Fleenor

This is such a great point! I changed the layers to match what the ground soil was like in the past, so students can see that the lizard lived in layer 1, died in layer 1, and is not fossilized in layer 1. Thanks for this feedback!

06-22-26

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