water Water is a liquid found on Earth. Picture Credit: http://www.internationalliving.com/var/ezwebin_site/storage/images/media/images/honduras_beach/72278-1-eng-US/honduras_beach.jpg
GEOLOGIST A geologist is a person who travels around the world and studies rocks, fossils, and rocks formations. Picture Credit: www.alharris.com/gallery/mountain/index.htm
Atmosphere Picture Credit: http://climate.uvic.ca/climate-lab/front_page_pics/uvsun.lrg.jpeg The definition of atmosphere is the mass of air around earth.
kilometers A metric unit of length equal to 1000 meters. Picture Credit: http://www.physicalgeography.net/fundamentals/images/earthcut.jpg
outer core A layer of molten lava and nickel that surrounds the inner core. Picture Credit: http://lifeboat.com/images/earth.core.gif
structure The way in which parts are put together to form a whole. Picture Credit: www.answers.com/structure&r=67
Crust One of the four layers of the Earth. The outermost layer. http://www.rps.psu.edu/probing/graphics/earth2.jpg
inner core A dense sphere of solid iron and nickel at the center of the Earth. Picture Credit: http://www.platetectonics.com/book/images/Innerstrata.jpg
Magnetic Field A magnetic dipole that runs from the North Pole to the South Pole. Picture Credit: http://www.dailygalaxy.com/photos/uncategorized/2007/03/21/earths_magnetic_field.jpg
Basalt http://ohpanama.com/uploaded_images/panama-12-744781.jpg Basalt is dark, heavy volcanic rock that makes up most of the world’s oceanic crust.
iron A heavy magnetic metallic element found naturally in the Earth; is silver-white in pure form but readily rusts; used in construction and tools and armament. Picture Credit:http://images.asia.ru/img/alibaba/photo/50213257/Galvanized_Iron_Wire.jpg
Scientist Scientists are people who study science. Picture Credit: http://www.mnstate.edu/provost/CHEMISTRY.JPG
Radioactive Picture Credit: http://apps.co.marion.or.us/imagegallery/Recycling%20Images/photogallery/Radioactive%20Symbol_RGB.jpg Something is Radioactive when an unstable atomic nucleus loses energy by giving off radiation.
observing Observing is looking at something very closely. Picture Credit: http://www.worldbook.com/wb/images/content_spotlight/earth/insideearth.jpg
Nickel Most of the nickel in the earth is in the middle, where it's not so easy to get at. However, every now and then a giant asteroid makes some of the stuff available by making a big splash. Picture Credit: http://www.bbc.co.uk/schools/gcsebitesize/science/images/spl_earth_structure.jpg