ROCKS AND MINERALS

1234567891011121314151617181920
Across
  1. 2. – how light reflects off mineral, i.e. shiny or dull
  2. 5. – sometimes the streak of the mineral is the same color as the mineral rocks and minerals both come in many color
  3. 6. – bottom layer of soil below the topsoil
  4. 8. – rocks formed by sediments that formed layer and become cemented together by pressure , most likely contains fossils
  5. 9. test – helps determine the color of minerals, done by scratching the mineral on tile to see what color powder the mineral leaves behind
  6. 10. – how something feels smooth, rough, etc.
  7. 13. – process that break down earth’s surface
  8. 14. ’s scale - tool used to measure the hardness of a mineral
  9. 16. – process in which the earth’s surface is carried away
  10. 17. – formed by melting and cooling rock
  11. 19. – layer of humus and minerals, top layer
  12. 20. – orange in color from minerals; holds a lot of water because of the tiny grain size
Down
  1. 1. – of minerals: size, shape, texture, color
  2. 2. – a kind of soil with clay ,humus ,silt and sand , great for growing plants ,dark in color
  3. 3. – contains a lot of humus and minerals, top layer
  4. 4. – a naturally formed solid made of grains of one or more minerals
  5. 7. – rocks formed by heat and pressure, does not contains fossils often because of heat and pressure
  6. 11. – large granular size, does not hold water well, light in color
  7. 12. – how difficult It is for a mineral on a tile to be scratched
  8. 15. – a material that was once living or was formed by living thing
  9. 18. – a solid object that is formed in nature and have never been alive
  10. 19. - mixture of small rocks, sand, minerals, and clay