Science Vocabulary: Rocks and Soil

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Across
  1. 3. very fine grains that resemble plastic when wet. Holds water very well.
  2. 5. the breakdown of rocks and soil through direct contact with atmospheric conditions such as heat, water, ice and pressure. Does not change what the rock or soil is made of.
  3. 6. formed from the weathering of rock and is needed for plants to grow.
  4. 8. consists of sand, silt, and clay. Great for gardening.
  5. 9. a mixture of sediments, humus, air and water. Makes up 1/4 of the earth.
  6. 10. small, loose grains of rock.
Down
  1. 1. the process of breaking down rocks into smaller pieces
  2. 2. chemicals that a plant needs to live and grow
  3. 4. unique property of soil that contains valuable nutrients needed for plant growth
  4. 7. the process which changes the earth's surface by moving earth material.