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Earth History

Earth History. Fossil . A ny  remains,  imprint,  or trace of a living  thing from the distant past. Preserve. Protect from total destruction and maintain some of the original state of being. Organism. Form of life. Mold. Shape formed by being encased, or sealed. Cast.

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Earth History

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  1. Earth History

  2. Fossil • Any remains, imprint, or trace of a living thing from the distant past.

  3. Preserve • Protect from total destruction and maintain some of the original state of being.

  4. Organism • Form of life.

  5. Mold • Shape formed by being encased, or sealed.

  6. Cast • Solid outcome of a mold.

  7. Evidence • Proof on how and when something existed.

  8. Existing • To continue to be found on Earth.

  9. Surface • Outer, most exposed layer.

  10. Weathering • Decomposing rock by wind, water, or pressure.

  11. Erosion • The process of rock being moved to a different location by weathering.

  12. Soil • Rock broken down in to fine substance, such as sand, silt or clay.

  13. Deposition • The transported rock fragments or sediments are laid down or deposited in a process. Most end up in the sea from rivers.

  14. Chemical • Element that dissolves the properties of another material, such as oxidation or acid rain.

  15. Subtle • Not obvious; very little change.

  16. Drastic • Extreme change in a short period of time, or extreme force.

  17. Rapid • Happening within a short time, or moving quickly at a high speed.

  18. Volcano • A vent that connects the surface of Earth to a deeper, hotter layer called the inner mantle.

  19. Volcanic Eruption • Opening of the Earth’s crust that allows, lava, rock, gases, and ash to pushed out with force.

  20. Pressure • Force placed on an object.

  21. Crust • The outermost solid shell of the Earth’s surface that consists of about 10 miles (16km) of rock and loose materials. Underneath the continents, the crust is almost three times as thick as it is under the oceans.

  22. Earthquake • Break or movement which creates a strong vibration from the force of sudden energy being released due to being pushed together or pulled apart.

  23. Vibration • Movement of energy in one direction and then back in the other direction.

  24. Landslide • Mass of rock, soil, and debris that is broken away and forced down and incline due to a strong force of gravity.

  25. Incline • Degree of a slope.

  26. Gravity • Force pulling together all matter.

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