4th Quarter Science

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Across
  1. 1. A feature formed by glaciers, looks like its name.
  2. 8. Magma becomes igneous rock through the process of_____.
  3. 9. ______weathering can be found it warm wet climates and cause the mineral composition of rocks to change.
  4. 10. A feature that is formed by glaciers, looks like a row of mountains.
  5. 12. This is a term that defines a resource that can be replaced at the same rate it is consumed.
  6. 16. It is created when the amount of snow exceeds what melts each year.
  7. 17. This is the most important agent of chemical weathering.
  8. 18. The process that changes sedimentary rock to metamorphic rock.
  9. 19. ____fossils provide clues about ancient animals activities.
  10. 20. A ____ is built up through deposition.
  11. 25. This process creates sedimentary rock.
  12. 26. A process that breaks down rock.
  13. 28. ____age is determined by measuring radioactive elements.
  14. 29. The preserved remains or traces of an organism.
  15. 32. ____age is when you compare a rock to the age of the rocks around it.
  16. 33. When a glacier picks up rock.
Down
  1. 2. If a rock contains iron, it might _____.
  2. 3. Waves erode land through ____ and abrasion.
  3. 4. This term is for a non-renewable energy that comes from the remains of long dead organisms.
  4. 5. is a term used when you are describing radioactive decay.
  5. 6. The elevation, relief, and land forms of an area.
  6. 7. This causes mechanical weathering because of freezing and thawing.
  7. 11. The process by which igneous rocks turn into sediments.
  8. 13. A type of lake created over time by the winding of a river.
  9. 14. These pry apart cracks in rocks, hold soil in place, and produce weak acids that dissolve rocks.
  10. 15. A river erodes the land here.
  11. 21. These are used to identify; airports, rivers, and picnic areas.
  12. 22. ______weathering is from daily heating and cooling.
  13. 23. A term that describes a gap in the geologic record when sedimentary rock covers an eroded surface.
  14. 24. A river deposits sediments here.
  15. 27. A land form that has high elevation and a more or less level surface.
  16. 30. Rock layers are always ____ than the faults that cut across them.
  17. 31. The term used to describe the difference of elevation, from highest to lowest, on a topographical map.