7th grade vocab words for scientific method unit
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| Scientific methods | Step by step producing a scientific problem
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| Observation | Bits of information you gather with your sences
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| Inference | Conclusion about an observation
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| Hypothesis | A statement that is a guess
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| Independent variable | one thing that can be change
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| Dependent variable | A factor or outcome measured in an experiment
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| Constant | Are factors that can be used an a experiment
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| Control | A stander used for comparison
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| alkali medel | chemical elements found
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| halogens | "salt-former"
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| alloy | Pronunciation of alloy. Translations
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| Noble gases | group of chemical elements with similar properties:
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| transitional metals | group of chemical elements with similar properties
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| alkaline earth metals | Pronunciation of alkaline-earth metal. Translations of alkaline-earth
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| neutrons | a constituent (proton or neutron) of an atomic nucle
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| protons | A stable, positively charged subatomic particle in the baryon family having a mass
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| elements | cannot be separated into simpler substances by chemical
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| atom | An atom is the defining structure of an element, which cannot be broken
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| malleable | . Capable of being shaped or formed, as by hammering or pressure
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| density | The quality or condition of being dense.
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| corrosive | 1. Having the capability or tendency to cause corrosion
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| ductile | Easily drawn into wire or hammered thin
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| luster | Soft reflected light; sheen
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| conservation of mass | A chemical reaction involves atoms in the reactants being rearranged to form the products.
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| Compound | To combine so as to form a whole; mix.
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| Molecule | A small particle; a tiny bit.
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| precipitate |
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| cells walls | rigid structure that end losses supports and protect the cells
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| cell membrane | protective outer covering of all cells that regulates
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| cytoplasm | connately moving gelatin like mixture inside the cell
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| ribosomes | small structure on which cells makes their own protein
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| organelles | structure in the cytoplasm of a eukaryotic
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| nucleus | organelles that controls all the activities of a cells
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| chloroplasts | green chlorophyll containing plants-cells organellen
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| Mitochondria | cells organ where food is broken down
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| Endoplasmic |
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| Reticulum |
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| Golgi Bodies |
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| Opaque | not able to be seen through; not transparent.
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| Translucent | allowing light, but not detailed images, to pass through; semitransparent.
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| Transparent | allowing light to pass through so that objects behind can be distinctly seen.
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| Reflect | throw back (heat, light, or sound) without absorbing it.
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| Absorb | take in or soak up (energy, or a liquid or other substance) by chemical or physical action, typically gradually.
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| Transit | the carrying of people, goods, or materials from one place to another.
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| Atmosphere | the envelope of gases surrounding the earth or another planet
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| Troposphere | the lowest region of the atmosphere, extending from the earth's surface which is the lower boundary of the stratosphere
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| Stratosphere | the very highest levels of a profession or other sphere, or of prices or other quantities.
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| Mesosphere | the region of the earth's atmosphere above the stratosphere and below the thermosphere
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| Ionosphere | the layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves
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| Thermosphere | he region of the atmosphere above the mesosphere and below the height at which the atmosphere ceases to have the properties of a continuous medium
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| Exosphere | the outermost region of a planet's atmosphere.
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