Terms : Hide Images
| 7806715753 | Earths core | Inner most part of the planet | 0 | |
| 7806715754 | Mantle | Above the core | 1 | |
| 7806715755 | Magama | Hot fluid below or within the earths crust | 2 | |
| 7806715756 | Asthenosphere | the soft layer of the mantle on which pieces of the lithosphere move | 3 | |
| 7806715757 | Lithosphere | A rigid layer made up of the uppermost part of the mantle and the crust. | 4 | |
| 7806715758 | Crust | Earth's outermost layer. | 5 | |
| 7806715759 | Hot spot | an area in the mantle that is super heated and melts through the crust (like a blow-torch) | 6 | |
| 7806715760 | Convection | The transfer of heat by the movement of a fluid | 7 | |
| 7806715761 | plate tectonics | A theory stating that the earth's surface is broken into plates that move. | 8 | |
| 7806715762 | tectonic cycle | the sum of the processes that build up and break down the lithosphere | 9 | |
| 7806715763 | Subduction | when one tectonic plate moves under another tectonic plate | 10 | |
| 7806715764 | Volcano | A weak spot in the crust where molten material, or magma, comes to the surface | 11 | |
| 7806715765 | Divergent boundary | A plate boundary where two plates move away from each other. | 12 | |
| 7806715766 | Sea floor spreading | The process that continually adds new material to the ocean floor | 13 | |
| 7806715767 | Convergent boundary | Where two plates move toward each other | 14 | |
| 7806715768 | Transform boundary | A plate boundary where two plates move past each other in opposite directions | 15 | |
| 7806715769 | Fault | A break in the earth's crust | 16 | |
| 7806715770 | Fault zone | A large expanse of rock where a fault has occurred. | 17 | |
| 7806715771 | Earthquake | sudden violent shaking of the earth's ground caused by movement of the crust | 18 | |
| 7806715772 | seismic activity | The frequency and intensity of earthquakes | 19 | |
| 7806715773 | Epicenter | Point on Earth's surface directly above an earthquake's focus | 20 | |
| 7806715774 | Richter scale | Measures the largest ground movement during sn eathquake | 21 | |
| 7806715775 | rock cycle | Is the continual change of rock from one kind to another | 22 | |
| 7806715776 | Minerals | A solid inorganic substance of natural occurrence. | 23 | |
| 7806715777 | igneous rock | a type of rock that forms from the cooling of molten rock at or below the surface | 24 | |
| 7806715778 | Intrusive Igneous Rock | rock formed from the cooling and solidification of magma beneath Earth's surface | 25 | |
| 7806715779 | extrusive rock | Igneous rock that forms from lava on Earth's surface | 26 | |
| 7806715780 | Fracture | The way a mineral looks when it breaks apart in an irregular way | 27 | |
| 7806715781 | sedimentary rock | a rock that forms from compressed or cemented layers of sediment | 28 | |
| 7806715782 | metamorphic rock | rock that has been changed by heat and pressure | 29 | |
| 7806715783 | Physical weathering | The mechanical breakdown of rocks and minerals. | 30 | |
| 7806715784 | chemical weathering | The process that breaks down rock through chemical changes | 31 | |
| 7806715785 | acid precipitation | rain, sleet, or snow that contains a high concentration of acids | 32 | |
| 7806715786 | acid rain | rain that contains more acid than normal | 33 | |
| 7806715787 | Erosion | Processes by which rock, sand, and soil are broken down and carried away | 34 | |
| 7806715788 | Deposition | Process in which sediment is laid down in new locations. | 35 | |
| 7806715789 | Soil | The loose, weathered material on Earth's surface in which plants can grow. | 36 | |
| 7806715790 | parent material | Material that is orignial rock to sand | 37 | |
| 7806715791 | Climate | Overall weather in an area over a long period of time | 38 | |
| 7806715792 | Topography | Refers to the shape and elevation of land in a region | 39 | |
| 7806715793 | Organism | A living thing | 40 | |
| 7806715794 | rimanere | to remain | 41 | |
| 7806715795 | soil horizon | The layer of soil that differs in color and texture from the layers above or below it. | 42 | |
| 7806715796 | O horizon | Top level | 43 | |
| 7806715797 | Topsoil | Mixture of humus, clay, and other minerals that forms the crumbly, topmost layer of soil. | 44 | |
| 7806715798 | E horizon | The zone of leaching that forms under the O horizon or, less often, the A horizon. | 45 | |
| 7806715799 | B horizon | Above e | 46 | |
| 7806715800 | Texture | The feel, appearance, or consistency of a surface, substance, or fabric. | 47 | |
| 7806715801 | cation exchange capacity | The ability of a particular soil to absorb and release cations | 48 | |
| 7806715802 | Base Saturation | the proportion of soil bases to soil acids, expressed as a percentage | 49 | |
| 7806715803 | soil degradation | The loss of some or all of a soil's ability to support plant growth. | 50 | |
| 7806715804 | crustal abundance | The average concentration of an element in Earth's crust. | 51 | |
| 7806715805 | Ores | Elements | 52 | |
| 7806715806 | C horizon | weathered parent material | 53 | |
| 7806715807 | Metals | Elements that are good conductors of electric current and heat. | 54 | |
| 7806715808 | Reserve | Known quantity of an element | 55 | |
| 7806715809 | Strip mining | The removal of strips of soil and rock to expose ore. | 56 | |
| 7806715810 | tailings | piles of gangue, which is the waste material that results from mining. | 57 | |
| 7806715811 | open pit mining | A mining technique that uses a large visible pit or hole in the ground | 58 | |
| 7806715812 | mountaintop removal | a mining technique in which the entire top of a mountain is removed with explosives. | 59 | |
| 7806715813 | placer mining | method of extracting mineral ore by hand using simple tools like picks, shovels, and pans | 60 | |
| 7806715814 | subsurface mining | The extraction of mineral and energy resources from deep underground deposits. | 61 |
