Tales of the Past
Name __________________________
1. What is a fossil? ____________________________________________________________________
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2.
There are three types of fossils. List them. ______________________________________________
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3. What is an impression? ______________________________________________________________
4. What is a mold? ____________________________________________________________________
5. What is a cast? _____________________________________________________________________
6. What is a trace fossil? _______________________________________________________________
7. How is an impression fossil formed?
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8. How are mineral replacement fossils formed?
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9. Are mineral replacement fossils usually hard or soft tissue? _________________________________
Why? _____________________________________________________________________________
10. List four examples of common mineral replacement fossils.
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11. Why are mineral replacement fossils heavier and harder than the original object?
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12. What is amber? ____________________________________________________________________
13. Give two examples of an entire animal fossil.
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14. In how many Utah counties have fossils been found? ______________________________________
15. Name an organism that lived in a shallow sea. ____________________________________________
In which counties were they found? _______________________________________________________
16. List dinosaur fossils found in Utah._____________________________________________________
In what kind of climate did Utah dinosaurs live? __________________________________________
How do we know that?
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Which Utah counties have dinosaur fossils? _________________________________________________
17. Could the same dinosaurs live in Utah’s modern climate? ___________________________________
Why? _______________________________________________________________________________
18. What other type of climate has existed in what is now Utah? ________________________________
How do we know that this area once had that type of climate?
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What types of organisms lived in that climate? _______________________________________________
Where have their fossils been found? ______________________________________________________
19. How has Utah’s climate changed over time?
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20. What happened to the dinosaurs?
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