Earth's History Vocabulary Crossword
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
                                             
 
 
Down: 1) Determining whether an object or event is older or younger than other objects or events.2) Loose rocks fall down a steep slope.4) The growth of urban areas caused by people moving into cities.5) Thick deposits of windblown, fine-grained sediment. 6) A rapid movement of a large mass of mud.7) Water located within the rocks below Earth's surface.8) The removal of trees and other vegetation from an area.11) A fan-shaped pattern formed on dry land.12) The process by which land becomes more desert-like and unable to support life. 13) The breakdown of a rock by chemical reactions.14) An area of material made up by waves and currents.15) Flat land where sediment can be deposited.17) All the material carried and deposited by a glacier.19) When chemicals combine with water in the atmosphere.20) The process by which eroded material is dropped.23) A large mass of moving ice.27) The breaking down and wearing away of rock material by mechanical action.28) Mounds of wind-deposited sand.32) Extremely slow movement of material downslope. Across: 3) An ordered arrangement of rock layers that is based on the relative ages of the rocks, with the oldest rocks being on the bottom of the column.9) An underwater or exposed ridge of sand, gravel, or shell material.10) A fan-shaped pattern often found at the end of rivers.16) The breakdown of rock material by physical and chemical processes.18) A long, narrow island made of sand.21) Determining the actual age of an event or object in years.22) The trace or remains of an organism that lived long ago.24) The process by which other chemicals combine with oxygen.25) A long cylinder of ice.26) A sudden and rapid movement of a large amount of material downslope.29) The geologic processes that happened in the past can be explained by current geologic processes.30) A place where land and a body of water meet.31) The process by which sediment and other materials are moved from one place to another.32) An area describes the weather condition in the area over a long period of time.33) The process by which rock is broken down into smaller pieces by physical change.34) The process by which human activity and natural processes damage land.35) A break in the geologic record that is made when rock layers are eroded or sediments is not deposited for long periods of time.
 

 

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