final exam Word Scramble
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Question | Answer |
What is weathering? | The breaking down of rocks. |
What is erosion? | The moving of broken down rocks. |
What is another word for R-horizon? | Bedrock |
What is another word for A-horizon? | Topsoil |
What is another word for B-horizon? | Subsoil |
What is the main cause of mass movement? | Gravity |
How are rocks classified? | By how they form. |
How do inegous rocks form? | By the melting and cooling of rocks. |
How do metamorphic rocks form? | By extreme heat and pressure. |
How do sedimentary rocks form? | Weathering,erosion ,deposion,compaction ,cementation. |
What type of rocks can become metamorphic rocks? | Any type! |
What type of rock can you find fossils in? | Sedimentary |
What are the ways that geologists find the relative age of rocks? | Index fosils and the law of superposition. |
Most of earths energy sources come indirectly or directly from the ______. | Sun |
What are the three types of fossil fuels? | Coal,natural gas,petroleum |
What are the 5 renewable resources? | Solar,wind,water,biomass,geothermal |
What is the thinnest layer of earth? | Crust |
What does a lava lamp represent? | The currents in the asthenophere. |
What are the 3 plate movements? | Convergent,divergent,transform |
What are the three stress forces? | Compression,tension,shearing |
What are the types of mass movement? | Slump creep landslide mud flow. |
What land forms are created by deposion? | Oxbowlake,deltas,moraines, flood plain,and alluvial fan |
What makes soil fertal? | Humus. |
How do ox bow lakes form? | The deposition of broken down rocks. |
What are the layers of earth? | Crust,mantle,inner and outer core. |
What is the densest layer of earth? | Inner core. |
What are the soil horizons from top to bottom? | A-horizon,b-horizon,c-horizon,r-horizon |
What is the c-horizon made of? | Partialy weathered rock. |
What are some ways farmers can prevent soil erosion? | Tearncing,windbreaks,notillplowing, cover crops. |
What is deposition? | When water drops the sediment it is carrying. |
Created by:
geko
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