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Vocab State Examine.
State test
| Question | Answer |
|---|---|
| Acceleration | The rate of change of velocity with respect time |
| Acid | A substance that dissolves in water with the formation of hydrogen ions and reacts with a base to form a salt water. It neutralizes alkakis, dissolves seom metals, and turns litmus red; typically a corrisive and sour-tasting liquid |
| Adaption | Adjustment to environmental conditions, midification of an organism or its parts that make it more fit to existacne under the conditions of its environment. |
| Alleles | Any of the alternative forms of a gene that may occur at a given locus on a chromosome. |
| Anemometer | An instrament for measuring and indication the force or speed of the wind. |
| Asexual Reproduction | involving or reproducing by reproductive process (as cell division, spore formation, fission, or budding) that do not involve the union of germ cells or egg and sperm. |
| Asteriod | A small rockey cody orbiting the sun |
| Atmosphere | The gaseous envelope surronding the Earth, consists of oxygen, nitrogen, and other gases, extends to a height of about 40,744 km and rotates with the Earth |
| Atom | The smallest particle of an element that can exist eaither alone or combination |
| Atomic Number | The number of protons in the nucleus of an atom |
| Bacteria | Unicellular prokaryotic microogranisms that lack chlorphyll, multiply by fission, and can only be seen by microscope |
| Balance | An instrament for measuring mass |
| Barometer | An instrament for determaining the preasure of the atmosphere |
| Base | A substance that dissolves in water with the formation of hydroxyl ions and reacts with an acid to form salt and water |
| Biogeochemical cycles | Relating to the partitioning and cycling of chemical elrements and compounds between the living and the non-living parts of an ecosystem |
| Biological evolution | Changes in the genetic composition of a population through successive generations. |
| Biomass | The amout of living matter |
| Biome | Major ecological communitiy |
| Biotechnology | Biological science when applied especially in genetic engineering and recombinant DNA technology |
| Biotic | Relating to life |
| Body covering | Feature that covers the body, such as fur or feathers |
| Body system | A system of the body |
| Boiling point | The tempurature at which a liquid boils |
| Capacity | The maximum amount or number that cab be contained or accommodated |
| Carnivore | A flesh-eating animal |
| Cell | The smallest structural and functional unit of an organism |
| Cell division | The formation of two daughter cells from one parent |
| Cell Membrane | The bounding membrame of cells which controls the entry of mitosis |
| Cell respiration | Metabolic process which break down nutrients into usable energy |
| Cell Wall | A structure external to the plasma membrame of a plant cell, It provides structure and support. |
| Characteristic | A distinguishig trait, feature, quality, or property |
| Chemical change | A change in a substance resulting in an entirly diffrent substance with diffrent properties from the first |
| Chemical property | Chemical characteristics of a substance that distungish it from other substances |
| Chemical Reaction | A process that involves rearrangement of the molecular or ionic structure of a substance |
| Chemosynthesis | Synthesis of an organic compounds by energy derived from chemical reactions |
| Chloroplast | A plastid that contains chlorophyll and is the site of photosynthesis |
| Chromosome | A threadlike Structure of nucleic acids and protein found in the necleus of most living cells carrying genetic information in the form of genes |
| Chrysalis | The pupa of a butterfly and some insects |
| Cilia | Fine hairlike protrusionsof the cell surface, which beat in unison to create currents of liquid over cell surface or propel the cell through the medium. |
| Circuit | The complete path of an electic currant usually including the sorce of electric energy. |
| Circular Motion | Motion of an object that follows the circomfrence of a circle |
| Classification | Systematic arrangement in groups or categories according to established criteria |
| Climate | The average course or condition of the weather at a place usually over a period of years as exhibited by temperature |
| comet | A celestial body that consists of a fuzzy head usually surrounding a bright nucleus |
| community | Interacting populations that live in a defind habitat |
| composition | The qqualitative and quantive makeup of a chemical compound. |
| compound | A substance formed from two or more elements chemically united in fixed proprtions |
| Condensation | The conversion of a substance from the vapor state to a denser liquid or solid state |
| Conduction | Process by which heat or electricity is transmitted through a material or body without movement of the medium itself |
| Conservation | A careful perservation and protection of something |
| Consumer | An organism requiring complex oorganic compounds for food |
| Control | A group used as a standard of comparison for checking the results of an experiment |
| Covalent | Chemical bonds formed by the sharing of electrons between atoms |
| Convection | The ciculatory motion that occurs in a fluid at a non-uniform temperature owing to the variation of its density and the action of gravity |
| Convergent | To come together or tend to come together at a point |
| Core | The central part of a clestial body usually having diffrent physical properties from the surrounding parts |
| Crust | The outer part of a planet moon or asteriod composed essentially of crytalline rocks |
| Crustal Deformation | A change in the crust of a planet, moon, or asteriod |
| Crystal | a piece of a homogeneous solid substance have a natural geometrically regular form with symmetrically arranged plane faces |
| Current | Continuous flow of as of air, water or electric charge |
| Cycle | An interval of time during which a sequence of a recurring succession of events or phenomena is completed |
| Decay rate | The rate at which a radioactive isotope disintegrated intil a final mom-radioactive isotope is formed |
| Decomposers | Organisms such as bacteria and fungi that feed and breakdown dead organisms returning constituents of organic substaces to the environment |
| Dependent Variable | A variable whose values are determained by one or mroe independent variables |
| Design | To create, fashion, execute or construct according to plan |
| Differentiation | The sum of the process whereby apparently indiffrent cells, tissues, and structures attain their adult form and function |
| Diversity | A great deal of variety |
| DNA | Deoxyribonucleic acid, a double strand of necleotides, that is slef-replacing material present in livnig organisms as the main cinstitute of chromosomes |
| Dominant | A gene that when present is expressed in the phenotype |
| Eclipse | The total pr partial obscuring of one celestial body by another. |
| Ecological | The interactions and relationships between organisms and their environment |
| Ecosystems | The complax of a community of organisms and its environment functioning as an ecological unit |
| Egg | Female gamete |
| Electric field | A region associated with a sistrabution of electric charge or a varying magnetic field, in which forces due to that charge or field, act upon other electric charges |
| Electric force | A force that exists between two charged objects |
| Electricity | A form of energy resulting from the existence of charged particles |
| Electromagnetic Radiation | A kind of radiation including visible light, radio waves, gamma rays and x-rays in which electric and magnetic fields vary simultaneosly |
| Electromagnetic Spectrum | The entire range of wavelenghts or frequencies of electromagnetic radiation extending from gamma rays to the longest radio waves and including visible light |
| Electron | A stable subatomic particle with negative electrical charge, found in all atoms and acting as the primary carrier of electricity in solids. |
| Element | Any of more than 100 fundamental substances that consist of atoms of only one kind and that singly or in combination consitute all matter. |
| Emigration | A category of population dispersal covering one-way movement out of the population area. |
| Endothermic | Characterized by or formed with absorption of heat. |
| Energy | The capacity for doing work, can in various forms such as nuclear, sound, thermal and light |
| Entropy | A thermodynamic quantity representing the unavailility of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system |
| Environment | The complex of physical, chemical and biotic factors that act upon an organism or an ecological community and ultimetly determine its form and survival. |
| Epicenter | The part of the Earths surface directly above the focus of an earthquake. |
| Equilibrium | A state in which opposing forces or influences are balanced |
| Eukaryotic | An organism composed of one or more cells containing visibly evident nuclei and organelles. |
| Evaporation | To convert into vapor |
| Evidence | Facts or observations on which a conclusion can be based. |
| Evolution | Changes in the genetic composition of a population through successive generations. |
| Exothermic | Characterized by or formed with liberation of heat |
| Extinct | A species of organisms that no longer exsists |
| Faulting | To fracture so as to produce a geologic fault |
| Fermentation | An enzymatically controlled anaerobic breakdown of an energy-rich substance |
| Fission | The splitting of an atomic nucleus resulting in the relase of large amounts of energy |
| Flagella | Long hair-like extensions from the cell surface whose movement is used for locamotion |
| Focus | The place of origin of an earthquake or moonquake |
| Folding | Causing rock strata to undergo bending or curature |
| Foodchain | An arrangement of the organisms of an ecological community accoring to the order of predation in which each uses the next usally lower member as a food source |
| Food Web | The totality of interacting food chains in an ecological community; interacting food chains in an ecological community |
| Force | An influence, that if applies to a free body results cheifly in an acceleration of that body in the direction of its application |
| Fossil | Remnant, impression or trace of an organism of past geoligic ages that has been preserved in the Earth's crust. |
| Fossil Fuel | A fuel such as coal, oil, natural gas, that is formed in Earth from plant or animal remains. |
| Frame of Refrence | An arbitrary set of axes with referance to which the position or motion of something is described or physical laws are formulated. |
| Friction | The force that resists relative motion between two bodies in contact |
| Fungi | Any of a major group of saprophytic and parasitic spore-producing organisms including molds, rusts, mildews, smuts, mushrooms, and yeasts. |
| Fusion | The union of atomic nuclei to form heavier nuclei resulting in the release of enormous quantities of energy. |
| Galaxy | Any of the very large groups of stars and associated matter that are found throughout the universe |
| Gas | A fluid (Such as air) that has neither independant shape nor volume but tends to expand indefinitly. |
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