Layers of the Earth
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| Inner Core!!! | The sphere of solid nickel and iron at the center of Earth; surrounded by the liquid outer core.
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| Outer Core | The outer layer of Earth's core; surrounds the inner core and is made of liquid nickel and iron.
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| Mantle | The solid layer of Earth between the crust and the core; made of dense silicates.
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| Crust | The thin, solid outermost layer of Earth; made of less dense silicates and is either continental (landmasses) or oceanic (ocean floors).
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| Lithosphere | The cool, rigid, outermost layer of Earth that consists of the crust and the uppermost part of the mantle; broken into pieces or segments called plates.
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| Asthenosphere | The solid layer with plasticity in the upper mantle that is located just below the lithosphere; lithospheric plates "float" and move on this layer.
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| Plasticity | A characteristic of the material in the asthenosphere; existing in a solid state yet having the ability to flow without being a liquid.
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| Earth's Layers | The divisions of the composition of Earth determined by either chemical composition or by the physical state of matter.
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| Chemical Composition | The elements that make up a substance.
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| Physical Properties | Characteristics that can be observed or measured; for example, color, melting point, and conductivity
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| Temperature | A variable that affects the state of matter of Earth's layers. Layers of rock at greater depths from Earth's surface have more thermal energy.
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| States of Matter | Distinct forms of matter known in everyday experience: solid, liquid, and gas; also referred to as phases of matter.
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| Pressure | A variable that affects the state of matter of Earth's layers. Thick layers of rock apply great force to those layers buried below them, affecting the melting points of the buried rock.
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| Density | The amount of matter in a given space or volume; it is a relationship between mass and volume. Less dense matter will form layers above denser matter.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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whiteley64
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