Geology Unit Crossword Puzzle

QUESTIONS LIST:

• mantle : convection currents are located here
• soil : clay, water silt, sand,animals,air, organic matter
• weathering : the breaking down of rocks
• erosion : carried rocks away
• extrusive : _ igneous - forms when lava cools on earths surface
• fossils : a preserved remain or traces of living things
• intrusive : _ igneous - forms when magma cools in earth
• sedimentary : made from sediment pressed together
• leaching : two plates slide against each other in opposite direction
• tectonic plates : plates of rock that cause volcanoes
• crust : thinnest layer of the earth
• mantle : thickest layer of the earth
• humus : a thick paste or spread from the ground made by organic material
• igneous rock : made from cooled lava
• chemical: _ weathering - example: when acid rain hits a rock.
• metamorphic: change of rock by heat and pressure
• diamond : hardest substance known to man
• parent material : located in horizon c
• deposition : depositing rock
• convection currents : made of waxy substance