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Ever-Changing Earth2
"6th Grade - Ever-Changing Earth Vocabulary - 02"
| Question | Answer |
|---|---|
| model | a representation of a process, system, or object that makes it possible to examine some aspects of the process, system, or object |
| crust | the outermost layer of Earth, composed of rock |
| plates | sheets of rock that include part of Earth’s crust |
| plate tectonics | the theory that Earth’s crust is divided into a number of plates, and the study of how the plates move and interact with one another |
| mantle | the zone of earth beneath the crust and above the core. It is divided into the upper mantle and the lower mantle |
| core | the central part of Earth made of iron and nickel. It consists of a liquid outer core and solid inner core |
| observations | data that are gathered using one or more senses of sight, hearing, touch, smell, or taste, sometimes with the help of instruments |
| inference | an interpretation of observations, reasoning that suggests causes or explanations of what has been observed |
| infer | to make inferences |
| composition | the parts, ingredients, or elements that form a whole |
| seismology | the study of earthquakes and the structure of Earth, using information from seismic waves |
| seismic waves (earthquake waves) | a general term for waves produced by earthquakes or artificially through explosions |
| density | the mass or quantity of a substance per unit volume |
| meteor | a streak of light in the night sky that results when a small, solid object (a meteoroid) hits Earth’s atmosphere |
| meteorite | a meteor that is large enough to survive its passage through Earth’s atmosphere and hit the ground |
| plate boundary | the area along the edges of Earth’s plates |
| energy | the ability to cause matter to move or change |
| fault | a fracture (break or crack) through rock, along which the masses of rock on either side of the fracture move |
| fold | a bend in rocks |
| fault-block mountains | mountains that form when one side of a fault is lifted above the other side |
| oceanic crust | the parts of Earth’s crust that are under the ocean; these are the thinnest parts |
| continental crust | the parts of Earth’s crust that form the continents |
| lithosphere | the rigid outer layer of Earth, made of the crust and the solid, uppermost part of the mantle |
| outer core | the outer layer of Earth’s core made of melted, liquid metal |
| molten | made liquid by heat |
| inner core | the inner layer of Earth’s core believed to be made of solid iron and nickel |
| atmosphere | the part of Earth’s system made of the mixture of gases that surround Earth |
| biosphere | the part of Earth’s system that includes all living organisms (animals and plants) and also dead and decaying plant matter. It includes parts of the lithosphere, hydrosphere, and atmosphere |
| hydrosphere | the part of Earth’s system that includes all of the planet’s water, including oceans, lakes, rivers, ground water, ice, and water vapor |
| geosphere | the part of Earth’s system that includes the crust, mantle, and inner and outer core |
Created by:
Hushekclan
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