The Dynamic Earth Crossword Puzzle

QUESTIONS LIST: hydrosphere : the part of the earth that contains all of the earth's water, troposphere : the part of the earth's atmosphere where all weather occurs, thermocline : layer found in the earth's oceans that separate the warmer surface waters from the freezing water at the bottom of the oceans, iron : what the earth's inner core is made of, ionosphere : the part of the earth's atmosphere that creates the northern and southern lights, tectonic plates : large slabs of rock that move across the face of the earth, mesosphere : the coldest layer of the earth's atmosphere, erosion : rivers cutting through rock to make new canyons is an example of _ , ozone layer : part of the atmosphere that protects against uv radiation; found in the stratosphere, convection : the transfer of heat by air currents, geo sphere : part of the earth that contains all of the rocks, minerals, and sediment, mantle : a fluid, but solid area of the earth beneath the earth's crust, biosphere : the area of the earth that contains all living things, nitrogen : the main gas in the earth's atmosphere, crust : the thin, cool, outer layer of the earth made up of rocks and sediment, water cycle : process driven by evaporation, condensation, and precipitation, conduction : type of heat (energy) transfer that occurs when heat is released from the surface of the earth and heats the air, thermosphere : the hottest layer of the earth's atmosphere.