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8th- Science EOG
North Carolina 8th Grade Science EOG Vocabulary Review words
| Term | Definition |
|---|---|
| Analysis | Thinking about what your data means |
| Boiling Point | Temperature that liquid goes to a gas. Usually at 100 degrees celcius. |
| Control Group | Group that is original, first, or normal/unchanged |
| Density | Mass over volume. |
| Dependent Variable | Only changes if Independent changes 1st |
| Hypothesis | Educated Guess |
| Independent Variable | "I can change." |
| Infer (inference) | Guess based on observation |
| Melting point | Temperature solid to liquid 0,degrees celcius |
| Scientific Method | Steps to solve problem, has to be repeated |
| Solubility | Ability to be dissolved |
| Volume | How much space it takes, |
| Adhesion | Water sticking to something else. |
| Aquifer | Groundwater in layers of rock |
| Benthos | animals at bottom of ocean |
| Bioluminescence | living things that emit light |
| Bioindicator | Living things that depends on specific conditions |
| Biloancy | Force that pushes up in water |
| Chemosynthesis | Plants use sulfur to make food no sunlight |
| Cohesion | Water sticking to water |
| Condensation | Gas to liquid, clouds |
| Estuary | Where river meats ocean, brackish water, fish lay eggs |
| Evaporation | Liquid to Gas |
| Flocs | "clumps" in water treatment plants |
| Groundwater | NC main source of fresh water |
| Hydrosphere | Everywhere water is |
| Infiltration | Water soaking into ground |
| Nekton | Fish that swim |
| Non-point pollution | Runoff, difficult to clean |
| Plankton | tiny, float at surface |
| Point source solution | enters from specific location |
| Polarity | Opposite charges, H20 |
| Precipitation | How water leaves the atmosphere |
| River basin | Land the water runs down |
| Salinity | amount of salt in water |
| Specific Heat | Height number equals longer time to change temperature. |
| Sublimation | Solid to gas |
| Tributary | Smaller rivers and Creeks that flow into larger rivers |
| Transpiration | Water comes out of plants |
| Turbidity | Cloudiness of water, increases after rain. |
| Turnover | Lakes and ponds because of temperature change |
| Upwelling | Ocean close to shore, deep water goes. |
| Universal Solvent | water dissolves almost everything |
| Watershed | land where water runs down |
| Wetland | Advantages equal prevents erosion, flood eutrophication, traps sediment and nuts. |
| Abiotic | Never lived, Ex. water, Air, Sun, Rocks |
| Biome | Several Ecosystems combined |
| Biotic | Living or used to live, Ex. bear, dead fish |
| Commensalism | 1 benefits, others not affected |
| Community | 2 or more populations together |
| Competition | |
| Consumer/Heterotroph | Animal Eats |
| Decomposer | break down dead things, recycles |
| Density-dependent | Limiting factor affects larger population |
| Density-independent | limiting factor occurs no matter |
| Ecosystem | Living and nonliving things in an area |
| Food chain | Shows how energy moves in ecosystem |
| Food Web | Several food chains together |
| Mutualism | Both benefit Ex. bees and flowers |
| Parasitism | 1 benefits, other is harmed |
| Photosynthesis | plants use sun to produce o2 |
| Population | Number of 1 species |
| Predator | Eats another animal |
| Prey | Gets eaten |
| Producer/Autotroph | Plants produce there own food |
| Symbiosis | how living things interact |
| Taxonomy | Classification , way to group |
| Trophic | Name of levels in food chain |
| Atom | Smallest particle, makes up all matter |
| Atomic Mass | = #of protons + # newtons |
| Atomic Number | =#protons = # electrons |
| Bond | Sticking together |
| Chemical change | results in new, substance |
| Chemical Formula | only for conponds |
| Compound | 2 or more elements chemical combined |
| Conductivity | metals conduct heat and electricity |
| Ductile | Metals shaped into electrical wires |
| Electron | outside nucleolus, negative charge |
| Family / Group | Same properties, same vale |
| Heterogeneous | mixture see different parts |
| Homogeneous | Mixture, see same parts |
| Isotope | same element but different newton |
| Law of Conservation of Matter | mass always stay the same |
| Malleable | metals can be bent, rolled and shaped |
| Metal | left on P.T, reactive, luster, conduct |
| Mixture | Physically together, easier to separate |
| Neutron | No charge, inside the nucleus |
| Non-metal | Right side of P.T., don't react or conduct |
| Nucleus | center of Atom, contains protons and neutron |
| Period | Properties gradually change |
| Periodic Table | Mende leave, in order of atomic number |
| Physical Property/ Physical Change | Same substance Ex. melt, freeze |
| Precipitate | Solid left after chemical rxn |
| Product | What is made in chemical rxn |
| Proton | Inside nucleus + charge = atomic |
| Reactant | ingredients, left of right |
| Reactivity | Blow up, combine with, react |
| Valance Electron | E- in outermost circle, only count tall columns |
| Absolute Age | Exact number , found by using radioactivity, so tope, etc. |
| Adaptation | living things change to survive |
| Carbon 14 dating | Used on biotic things, less than 75,000 years old |
| Cenozoic | Today, humans appeared |
| Continental drift/ Plate Tectonics | Evidence equals similar fossils, Puzzle, Rocks, ice core |
| Cyanobacteria | 1st life form, blue green algae, makes o2 |
| Epoch | Shortest time segment |
| Era | PPMC, based on fossils |
| Evolution | Caused by environmental changes |
| Extinct | No longer exists, evidence = fossils |
| Fault | Fracture in the community of a rock |
| Fossil | Shows Earth's History of living things |
| Geologic Time scale | Based on fossils, land forms living things |
| Index Fossil | Tells age of rock, aboundant |
| Law of Superposition | old rocks on the bottom, tells relative age |
| Lithosphere | Earths Crust |
| Mesozoic | "Messy", Pangaea split, dinosaurs appeared |
| Natural Selection | Darwm, better environment = survive |
| Paleozoic | Pangaea formed, lots of living things, Appalachian Mountains |
| Period | Based on changes in land |
| Precambrian | longest, cycunobacteria appeared |
| Radioactive Dating | Absolute Age |
| Relative Age | Not exact number, law of superstition and index fossils |
| Subduction | lands sinks beneath |
| Unconformity | Gap in rock layer |
| Unifor | Past similar to today |
| Allergy/ Allergen | Over reaction to foreign substance Antihistamine |
| Antibiotic | only used for bacteria and parasites |
| Antibody | your body's medicine, kills antigen |
| Antigen | Pathogen, it is a disease |
| ATP | Cellular energy, made in the cell |
| Bacteria | Procrotic, DUA is in the cytoplasm |
| Biotechnology | anything that helps living things |
| Carcinogen | Anything that cause cancer |
| Cell | Basic until of life in all living things |
| Cell membrane | "Gate Keeper" semi permeceable |
| Cell wall | supports plants and bacteria, photosynthesis |
| Communicable/ Contagious/Infectious | Can Spread |
| Cytoplasm | all cells, surrounds organelles |
| Diffusion | High concentration to low concentration not water |
| DNA | hereditary material, in nucleus for us in cytoplasm for bacteria |
| Epidemic | Spreads locally |
| Equilibrium/ Homeostasis | evenly spread |
| Eukaroytic/ Multicellular | we are, DNA is in nucleus |
| Flagella/Flagellum | long tail, move fast |
| Fungi | living, infections, decomposer, |
| Host | 1st cell that virus enters |
| Immunity | How your body fight disease |
| Meiosis | Sex cells, half chromosomes |
| Microbe | Small, Microscopic |
| Mitosis | grow, cell division with same number of chromosomes |
| Non-infections | Can't spread EX. cancer, diabetes |
| Nucleus | DNA, Control center |
| Organelle | small things inside cells |
| Osmosis | Diffusion of water |
| Pandemic | Spreads worldwide |
| Pharmaceutical | Make medications, biotechnology |
| Prokaryotic / Unicellular | Bacteria, DNA in Cytop |
| Protist | Cause disease EX. euglena, amoeba |
| Respiration | o2 + sugar to energy + co2 + ho2 |
| Toxic | Bad |
| Vector / carrier | Carries diseases to others EX. ticks |
| Virus | Nonliving, have DNA + protein coating, EX. flu, HIV, Cold, Reguite a host |
| Acid Rain | Low pH, caused by burning coal + CC |
| Biomass | Renewable, little pollution |
| Conservation | only use what you need |
| Fossil Fuel | nonrenewable, pollution |
| Geothermal | Renewable, energy from magma |
| Natural resource | made by Earth |
| Non-Renewable | Powerful energy, pollution |
| Photovoltaic | Solar Panels |
| Nuclear | Nonrenewable, no polltution |
| Reflector | Used in solar energy |
| Renewable | No pollution except biomass |
| Solar | Renewable, No pollution, We can't capto enough |
| Turbine | Wind energy, no pollution, expense, and takes up space |
Created by:
tgallyon
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