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Midterm Study Guide
Term | Definition |
---|---|
Atomic Number | the number of protons in the nucleus of an atom. |
Atom | the smallest unit of an element that has the properties of that element. |
Nucleus | positive |
Neutron | neutral |
Electrons | negative |
Mantle | the thickest layer of earth |
Outer Core | 2nd Thickest |
Inner Core | 3rd Thickest |
Crust | Thinnest layer |
Geosphere | Earth,s surface and interior |
Hydrosphere | All Earth´s water |
Atmosphere | Layers of gasses around Earth |
Biosphere | all living things on Earth |
Mechanical Weathering | Physical Breakdown |
Chemical Weathering | Chemically Breaks down |
Erosion | The removal of weathered material |
Mineral | made of crystals |
Rocks | made of minerals |
Igneous Rock | formed when magma/lava cools and hardens |
Metamorphic | formed through heat and pressure |
Sedimentary | formed through weathering and erosion and then compaction/ cementation |
Topographic | when contour lines are close together that means there is steep elevation. |