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TEK 4.10B

TEK 4.10B. Draw conclusions about “what happened before” using fossils or charts and tables. soil. sandstone. conglomerate. shale. 1. 2. limestone. Study the diagram below. soil. sandstone. conglomerate. shale. 1. 2. limestone. Fossil 1 is probably…. younger than fossil 2

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TEK 4.10B

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  1. TEK 4.10B Draw conclusions about “what happened before” using fossils or charts and tables.

  2. soil sandstone conglomerate shale 1 2 limestone Study the diagram below.

  3. soil sandstone conglomerate shale 1 2 limestone Fossil 1 is probably…. younger than fossil 2 older than fossil 2 formed in metamorphic rock D. formed in igneous rock

  4. soil sandstone conglomerate shale 1 2 limestone The correct answer is A. Fossil number 1 is younger than fossil number 2. The bottom layer of rock (limestone) formed before the layer of shale. Fossil 1 is in the shale.

  5. soil sandstone conglomerate shale 1 2 limestone B, C, and D are incorrect • older than fossil 2 • formed in metamorphic rock • D. formed in igneous rock B The layer of limestone was formed before the layer of shale. C Sandstone , conglomerate, shale, and limestone are sedimentary rocks. D. Fossil number 1 is in shale which is a sedimentary rock. because

  6. 1 2 3 4 Fossils were found in these four layers of rock.

  7. 1 2 3 4 Which animal probably lived the longest time ago? • 1 • 2 • 3 • 4

  8. 1 2 3 4 The correct answer is D. The top layer represents the youngest layer of rock. Fossil 4 is in the bottom layer of rock which formed first.

  9. 1 2 3 4 • 1 • 2 • 3 Answers A, B, and C are incorrect These fossils are all in younger layers of rock.

  10. Sedimentary rock A Volcanic rock B C Igneous rock D Metamorphic rock The most likely place to find a fossil is in ________ rock. A B

  11. The correct answer is A. Sedimentary rock A Most fossils form when a dead plant or animal is buried quickly by sediments. As the sediments harden the remains become trapped in rock and form a fossil.

  12. Answers B, C, and D are wrong. These answers are incorrect because … Volcanic and Igneous rocks are usually formed when melted rock hardens. Metamorphic rocks are formed when sedimentary, igneous, or other metamorphic rocks are subjected to high heat and pressure. Volcanic rock B C Igneous rock D Metamorphic rock

  13. You find a fossil of a dinosaur in a rock layer. What can you infer about the other fossils in the same rock layer?

  14. The other fossils in that layer were formed much later than the dinosaur fossil. The other fossils in that layer are about the same age as the dinosaur fossil. The plant found in the lowest laye was food for the dinosaur. The fish fossil is older than the dinosaur.

  15. The correct answer is B. B. The other fossils in that layer are about the same age as the dinosaur fossil. Since the leaf and the shell fossils are in the same layer as the dinosaur fossil, they probably are around the same age as the dinosaur.

  16. These answers are incorrect because A. The other fossils in that layer were formed much later than the dinosaur fossil. The fossils would be in a different layer if they were formed at a different time. C. One of the other fossils in that layer was left by a plant. There is not enough information to to make this inference. D. The fish fossil is older than the dinosaur. The fish is in a younger layer of rock, so it is younger than the dinosaur.

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