Unit 1 Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Science |
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| Observation | process of observing something or someone carefully or in order to gain information
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| Inference | a conclusion reached on the basis of evidence and reasoning.
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| Hypothesis | Educated guess
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| Controlled Experiment | an independent variable is the only factor that is allowed to be adjusted
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| Independent Variable | a variable (often denoted by x ) whose variation does not depend on that of another.
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| Dependent Variable | a variable (often denoted by y ) whose value depends on that of another.
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| Control Group | the group in an experiment or study that does not receive treatment by the researchers
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| Data | facts and statistics collected together for reference or analysis.
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| Theory | a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained
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| Bias | cause to feel or show inclination or prejudice for or against someone or something
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| Biology | the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
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| DNA | deoxyribonucleic acid, a self-replicating material present in nearly all living organisms
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| Stimulus | a thing or event that evokes a specific functional reaction in an organ or tissue
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| Sexual Reproduction |
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| Asexual Reproduction |
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| Homeostasis |
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| Metabolism | the chemical processes that occur within a living organism in order to maintain life.
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| Biosphere | the regions of the surface, atmosphere, and hydrosphere of the earth
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| Atom | the basic unit of a chemical element.
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| Nucleus | the central and most important part of an object, movement, or group, forming the basis for its activity and growth
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| Electron | a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
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| Element | each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter
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| Isotope | each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei,
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| Compound | a thing that is composed of two or more separate elements; a mixture
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| Ionic Bond | form when one atom gives up one or more electrons to another atom
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| Ion | an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
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| Covalent Bond | also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms
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| Hydrogen Bond | a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
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| Cohesion | the action or fact of forming a united whole.:
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| Adhesion | the action or process of adhering to a surface or object
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| Mixture | a substance made by mixing other substances together
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| Solution | a liquid mixture in which the minor component
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| Solute | the minor component in a solution, dissolved in the solvent.
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| Solvent | able to dissolve other substances.: "osmotic, chemical, or solvent action
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| Suspension | a mixture in which particles are dispersed throughout the bulk of a fluid
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| pH Scale | A measure of acidity or alkalinity of water soluble substances
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| Acid | chemical substance that neutralizes alkalis,
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| Base | a substance capable of reacting with an acid to form a salt and water
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| Buffer | a solution that resists changes in pH when acid or alkali is added to it.
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| Monomer | a molecule that can be bonded to other identical molecules to form a polymer.
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| Polymer | a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together,
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| Carbohydrate | any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose.
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| Monosaccharide | any of the class of sugars (e.g., glucose) that cannot be hydrolyzed to give a simpler sugar.
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| Lipid | any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents
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| Nucleic Acid | a complex organic substance present in living cells, especially DNA or RNA
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| Nucleotide | a compound consisting of a nucleoside linked to a phosphate group
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| Protein | any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms
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| Amino Acid | a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group.
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| Chemical Reaction | a process that involves rearrangement of the molecular or ionic structure of a substance
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| Reactant | a substance that takes part in and undergoes change during a reaction.
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| Product | an article or substance that is manufactured or refined for sale
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| Activation Energy | the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
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| Catalyst | a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
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| Enzyme | a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.
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| Substrate | a substance or layer that underlies something, or on which some process occurs, in particular.
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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.
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.
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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