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CHAPTER 4
Earth’s Past
What can fossils tell us about Earth’s past?
170
Lesson 1 Fossils
Page 174
Lesson 2 Finding Clues in Fossils
Page 184
Lesson 3 Fossils of California
Page 192
2 ES 3. Earth is made of materials that have distinct properties and provide resources for human activities.
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Literature Poem
ELA R 2.2.0. Students read and understand grade-level appropriate material.
by Alice Schertle
Dinosaur bone alone, alone, keeping a secret old as stone
deep in the mud asleep in the mud tell me, tell me, dinosaur bone.
What was the world when the seas were new and ferns unfurled
and strange winds blew?
172
Were the mountains fire? Were the rivers ice?
Was it mud and mire? Was it paradise?
How did it smell, your earth, your sky? How did you live? How did you die?
How long have you lain alone, alone?
Tell me, tell me, dinosaur bone.
*6A@j 7DJIjI What do you think a dinosaur bone can tell about a dinosaur?
173
Lesson 1
Fossils
Look at these fossil prints. What kind of animal do you think made them? How do you know?
174 ENGAGE
2 ES 3.d. Students know that fossils provide evidence about the plants and animals that lived long ago and that scientists learn about the past history of Earth by studying fossils.
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