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extinct: no longer exist and will never again live on earth
extrusion: lava that harden on the surface
fault: a break in the earth crust
intrusion: igneous rock layer form when magna harden beneath earth surface
trace fossils: fossils that provide evidence of the activities of ancient organisms
unconformity: a place where a old eroded rock surfce is in contact with a newer rock layer
index fossils: fossils of widely distributed organsm that live during only one short period
absolute age: the age of a rock giving as a number of year the rock been form
relative age: the age of the rock compared to the age of the rock layer
scincetific theroy: a well tested concept that explain a wide range of observation
evolution: process by which all the different kinds of living things have changed over time
carbon film: extremely thin coating of carbon on rock
mold: hollow area in sediment in the shape of an organism or part of an organism film
amber: hardened resin, or sap, of evergreen trees
enviorment: fossils to build up a picture of earths past what
fossils record: shows that millions of types of organisms have evolved
cast: a solid copy of the shape of an organism
petrified fossils: fossils in which minerals replace all or part of an organism
paleontologists: the name of scientist who studies fossils
fossils: preserved remains or traces of living things
Across:1. | the name of scientist who studies fossils | 4. | fossils to build up a picture of earths past what | 7. | extremely thin coating of carbon on rock | 9. | preserved remains or traces of living things | 10. | a place where a old eroded rock surfce is in contact with a newer rock layer | 12. | no longer exist and will never again live on earth | 13. | a break in the earth crust | 14. | shows that millions of types of organisms have evolved | 18. | fossils that provide evidence of the activities of ancient organisms | 19. | the age of a rock giving as a number of year the rock been form | 20. | fossils in which minerals replace all or part of an organism |
| | Down:2. | hardened resin, or sap, of evergreen trees | 3. | hollow area in sediment in the shape of an organism or part of an organism film | 5. | lava that harden on the surface | 6. | a well tested concept that explain a wide range of observation | 8. | fossils of widely distributed organsm that live during only one short period | 11. | a solid copy of the shape of an organism | 15. | process by which all the different kinds of living things have changed over time | 16. | the age of the rock compared to the age of the rock layer | 17. | igneous rock layer form when magna harden beneath earth surface |
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© 2013
PuzzleFast.com, Noncommercial Use Only
Across:1. | the name of scientist who studies fossils | 4. | fossils to build up a picture of earths past what | 7. | extremely thin coating of carbon on rock | 9. | preserved remains or traces of living things | 10. | a place where a old eroded rock surfce is in contact with a newer rock layer | 12. | no longer exist and will never again live on earth | 13. | a break in the earth crust | 14. | shows that millions of types of organisms have evolved | 18. | fossils that provide evidence of the activities of ancient organisms | 19. | the age of a rock giving as a number of year the rock been form | 20. | fossils in which minerals replace all or part of an organism |
| | Down:2. | hardened resin, or sap, of evergreen trees | 3. | hollow area in sediment in the shape of an organism or part of an organism film | 5. | lava that harden on the surface | 6. | a well tested concept that explain a wide range of observation | 8. | fossils of widely distributed organsm that live during only one short period | 11. | a solid copy of the shape of an organism | 15. | process by which all the different kinds of living things have changed over time | 16. | the age of the rock compared to the age of the rock layer | 17. | igneous rock layer form when magna harden beneath earth surface |
| |
© 2013
PuzzleFast.com, Noncommercial Use Only