A ACCELERATION - to become faster, to move or happen more quickly AERODYNAMIC - designed to be resistant to fluids (gas or liquid) AIR PRESSURE - the force exerted by air upon an object AIR RESISTANCE - opposition to air ALGEBRA - the science and art of numbers AMPERE - a unit for measuring the strength of an electric current ANALYZE - find out the essential features APPLICATION - act of using, use; refers to getting a technology that can be applied into society APPLIED SCIENCE - refers to science that has a practical use ARCHITECTURE - science or art of building; style of a building ARTIFICIAL - not natural ASTIGMATISM - defect in an eye or a lens that makes objects look indistinct or imperfect ASTRONAUT - a person who works in space; may have many different skills ATOM - particle of a chemical element ATTRACT - to draw towards itself by unseen force, a magnet attracts iron ATOMIC FORCES - attraction between atoms AVIATION - art or science of navigating aircraft AXLE - bar on which or with which a wheel turns Astronaut
 B BALANCE - a weighing apparatus with two scales or pans hanging from a crossbar BAR GRAPH - a graph using barlike lines to explain the graph BATTERY - a set of two or more electric cells which produce electric current  BEAKER - container that has a spout (pouring lip) and an open top BICONCAVE - (of a lens) concave on both sides BICONVEX - (of a lens) convex on both sides BICYCLE - a two wheeled vehicle driven by pedals or gears BILATERAL - if 2 sides look like each other BINOCULARS - an instrument with lenses for both eyes, making distant objects seem nearer BLIND - not able to see BOX - a solid rectangle BRAILLE - system of writing and printing for blind people BUILT - made by putting materials together; applied to built environment as a world built by humans BURNING - the process of being burned by fire Bicycle
 C CALCULUS - a branch of mathematics that deals with problems involving rates of variation CAMERA - an apparatus for taking pictures, movie pictures, or television pictures CABOOSE - small car on a freight train in which the trainmen can rest and sleep CARRY - to take from one place to another  CATARACTS - a disease of the eye that makes a person partly or entirely blind if not corrected CENTIMETER - one hundredth of a meter = .3937 inch CENTRIFUGAL - moving away from the center CENTRIPETAL - moving toward the center CHANGE - make different; become different; passing from one form or place to a different one  CHARACTERISTICS - marking off or distinguishing a certain person or thin from others; a special quality  or feature CHEMICAL - a substance obtained by or used by chemical means. CHINA - a country in Asia CHIP - a small piece of circuitry that is used in many computers and other electronic devices CIRCLE - a round, 2 dimensional shape CIRCUIT - an apparatus with conductors through which electric current pass CITY - a large important town that manages its own affairs CLOTH - woven or felted material CLUB - clover shaped COACH - a passenger car of a railroad train COHERENT - to stick together, to remain united in mass COMMUNICATION - giving information or news by speaking or writing; passage, means of going from one to the other COMPARE - to estimate the similarity between two things COMPASS - a device with a needle that points to the magnetic north COMPOUND MACHINES - machines that consist of two or more simple machines combined to work as one COMPUTER - a machine that can perform logical calculations CONCAVE - curving like the surface of a ball as seen from the inside CONCEPTUAL - understanding the overall principles  CONCLUSION - summary of results CONDUCTOR - a substance that conducts heat or electricity CONES - a solid body that narrows to a point from a round flat base CONSUMER - a person uses foods, clothes, or any other item  CONVEX - curving like the surface of a ball as seen from the outside CORNEA - the tough transparent outer covering of the eyeball CORNER - the angle or area where two lines or sides meet or where two streets join CREATIVE - inventive, productive CREATIVITY - originality with imagination CREST - the top of a slope, hill or wave; the white top of a large wave CRITICAL THINKING - the ability to make decision based on logic and facts CRITICIZE - to examine critically, to express judgement CUBE - a three dimensional square CUBIC - 4 part symmetry CURRENT - water or air moving in a certain direction, a running stream CURRENT ELECTRICITY - the flow of electricity through something or along a wire or cable CURVE - a line that has no straight parts CUT - to divide, wound, or detach with an edged instrument camera     Computer   cube
 D DATA - facts or information to be used as a basis for discussing or deciding something, or prepared for being processed by a computer DECIBEL - a unit for measuring the relative loudness of sound DENSITY - closeness, compactness; the amount of matter to a unit of bulk DESCRIBE - to tell or depict in written or spoken words DESIGN - a drawing, plan, or sketch made to serve as a pattern from which to work; arrangement of details, form, color, thoughts to develop further ideas DIRECT CURRENT - electrical current that flows in one direction DIAMOND - two triangles, with their basis together DIG - to break up or move around with a tool or machine or claws, to make a way or hole DISCOVER - reveal, get knowledge, learn DISCOVERY - to find out a previously unknown subject DRAG - to pull along with effort or difficulty on the ground DUMP - a rubbish heap, a place where rubbish may be deposited
 E EAST - the point on the horizon where the sun rises ELECTRICAL CHARGE - a charge of electricity ELECTRICITY - a form of energy occurring in certain particles ELECTROMAGNET - a magnet consisting of a metal core magnetized by a coil, carrying electric current,  wound around it ELECTROMAGNETIC FORCE - a force created by the combination of electricity and magnetism ELECTROMAGNETISM - a general term that unites electricity and magnetism both physically and  theoretically  ELECTRON - a particle of matter with a negative electric charge ELECTRONICS - the branch of physics that deals with electrons in motion ELEVATOR - an apparatus for transporting people or goods from one floor of a building to another by the use of levers, gears and cables ENERGY - the capacity for vigorous activity ENGINE - machine for turning power on to some work, especially a machine that can start others moving ENGLISH SYSTEM - units of measurements with historical development (using parts of the body) ESTIMATE - a judgement of things, the approximate value or amount ESTIMATION - estimating, judgement of a thing or person approximate value or amount EQUILATERAL - equal; all sides equal, all angles equal EVALUATE - to find out or state the value of, or to assess EXPERIMENT - try in order to find out; make trials or test EXTRAPOLATE - to derive from preexisting information  EYEGLASSES - lenses for correcting or assisting defective sight EYE PIECE - the lens or lenses to which the eye is applied at the end of a telescope or a microscope
 F FABRIC - cloth woven or knitted or felted material FARSIGHTED - seeing distant things more clearly than near ones FEEL - touch FIBER - a textile substance that is made, a threadlike piece of glass FILAMENT - a fine wire in a light bulb etc. giving off light when heated by a current FLOUR - the fine meal made by grinding grain, especially wheat FLUID - any liquid or gas; something that will flow FOCAL DISTANCE - distance from its center to its principal focus  FOCAL LENGTH - distance between the center of a converging thin lens and an object FOCAL POINT - the point of focus; a center of action or interest FOCUS - the point or distance at which an object is most clearly seen by the eye or through a lens FORCE - strength, power or intense effort FORENSIC - application of evidence in a court FREQUENCY - the rate of the occurrence or repetition of something FRICTION - the rubbing or contact of one thing to another FUEL - anything that can be burned to make a useful fire FULCRUM - the point at which a lever turns FUZZ - something that is fluffy or frizzy
 G GAMMA RAY - the x- ray of very short wavelengths emitted by radioactive substances GARBAGE - any rubbish or trash GAS - vapor, not a solid or liquid; any substance when it is like air in form GEAR - a set of toothed wheels working together in a machine GENERATOR - a machine for converting mechanical energy into electricity  GEOMETRY - the study that measures and compares lines, angles, surfaces, and solids; the mathematics of space GIRTH - the measure around anything GLASS - a hard brittle substance usually transparent GLAUCOMA - pressure inside the eye that can cause blindness GLIDE - move along smoothly, evenly, and easily GLUE - substance that binds things together GRADUATED CYLINDER - a piece of equipment that easily measures displacement; a long, narrow tube GRAPH - a line or diagram showing how one quantity depends on or changes with another GRAVITATIONAL ATTRACTION - bodies that come toward each other GRAVITY - a force between 2 bodies GREECE - a country in southeast Europe GUESS - to come to an opinion with enough evidence to prove
 H HAND LENS - a magnifier you can hold in your hand HEAR - getting sounds through the ear and the brain interprets HEARING - to perceive sounds with the ear HEART - rounded sides meeting at a point at bottom and curving inward at the top HEAT - a form of energy produced by the movement of molecules, a hot temperature HEAT ENERGY - energy produced by an increase in temperature HEAVY - having great weight HEIGHT - how high anything is; how far up a thing goes HEXAGONAL - 6 part symmetry HOLOGRAM - an image made by a laser that appears to be three dimensional HOME - the place where one lives HUMAN - composed of men, women, and children HUMAN-MADE - made from humans HYDROELECTRIC - electricity created by moving water, usually involving a dam HYPOTHESIS - a guess to guide investigation
 I ILLUSON - something that a person wrongly supposes to exist IMAGE - a likeness or representation INCANDESCENT - glowing with heat, shining INCH - 1/12 foot or 2.54 cm INCIDENT RAY - light that enters an object INCLINED PLANE - a leaning slope INCOHERENT - rambling in speech or in reasoning INFRARED WAVES - waves large than visible light INSULATION - protection from losing heat or electricity INTERACTION - action on each other INTERPRET - explain the meaning of INTERPRETATION - to explain the meaning of INVENTION - something created through imagination and creativity INVENTOR - person who creates or makes up an object INVESTIGATE - to make a careful study of in order to discover the facts INVESTIGATION - a careful study in order to discover facts  IRIS - the flat circular colored membrane in the eye with a circular opening in the middle
 J JET PROPULSION - movement in one direction by a jet of air, gas, etc that is forced in the opposite direction JOINTS - the place at which two things are joined together; in living organisms refers to the parts where two bones move on one another, and the way those parts are put together
 K KALEIDOSCOPE - a toy consisting of a tube containing small brightly colored fragments of glass etc. and mirrors that reflect light forming changing patterns KILOWATT HOUR - a unit of electric power equal to 1000 watts KILOGRAM - the basic unit of mass in the International System of Units KINETIC - of or produced by movement
 L LANDFILL - a lowland built up with layers of trash or garbage altering with layers of earth LASER - a device that generates an intense and highly concentrated beam of light; an acronym for:  Light Amplification by simulated Emission of Radiation LENGTH - linear measurement LENS - a piece of glass or glasslike substance with one or both sides curved for use in optical instruments LEVER - a bar or other device pivoted on a fixed point in order to lift something or force open LIFT - to raise to a higher level or position LIGHT - of little weight; electromagnetic radiation traveling 186,300 miles per second; allowing visibility LIGHT BULB - a round glass container enclosing a filament that is made to glow by electricity LIGHTNING - a flash of electricity in the sky LINE - a long, narrow mark LINEAR - measuring in a straight, one dimensional line LINE GRAPH - a graph that uses lines to explain itself LINT - tiny bits of thread or fiber LIQUID - a fluid, material that moves LOCOMOTIVE - railroad engine; any engine that goes from place to place on its own power LODESTONE - a magnetic rock Light Bulb
 M MACHINE-apparatus for applying mechanical power MAGIC - the art of making things happen by secret charms and sayings MAGICIAN - person who can use magic MAGNESIA - a white powder that is a compound of magnesium MAGNET - a piece of iron or steel that points north or south when suspended MAGNETIC - having the properties of a magnet MAGNETIC FIELD - the force field around a magnetic substance MAGNETIC FORCE - force that is drawn by a magnet MAGNETISM - being magnetized MAGNIFICATION - cause to look larger than it really is MAGNIFIER - an object that increases the apparent size of an object MAGNIFY - to increase the apparent size MAGNIFYING GLASS - a lens that magnifies things MAGNIFYING LENS - a clear substance that makes things larger MARGIN OF ERROR - amount in variance in data MASS - a coherent unit of matter with no specific shape MATHEMATICS - the science of numbers, quantity and space MATHEMATICIAN - person skilled in mathematics MEASURE - the size or quantity of something found by measuring MEASUREMENTS - dimensions of how large an object is MEASURING - to find the size or quantity or extent of something by comparing it with a fixed unit or with an object known MEASURING SPOON - a spoon that is calibrated MECHANICAL - a machine or mechanism METAL - any of a class of mineral substance such as gold, silver, copper, iron, uranium, or an alloy of any of these METRIC - of or using the metric system  METRIC SYSTEM - based on units of ten; weight in grams, liquid is liters, distance meters MICROSCOPE - an instrument having a magnifying lens that produces an enlarged image of an object MICROGRAVITY - small amount of gravitational attraction compared to Earth MICROWAVES - an electromagnetic wave of length between about 50 centimeters and 1 millimeter MILLIMETER - one thousandth of a meter MIRROR - a piece of glass backed with silver so that reflection takes place MOON - usually refers to a satellite of any of the planets; the Earth's satellite is also called the Moon MORSE CODE - a code in which letters of the alphabet are represented by various combinations of short and long sounds or flashes of light  MOTION - change of position or place MOTOR - a machine that supplies moving power for a vehicle or boat MOVE - put in a different place; change the position of MOVEMENT - moving; change in place MUSCLES - the tissue in the bodies of people and animals which can be tightened or let loose and thus make the body move Moon
 N NATURAL - coming in the ordinary course of events; produced by nature NATURE - all things except those made by humans NEARSIGHTEDN - not able to see far NEGATIVE - not positive, lacking positive qualities or characteristics NEGATIVE CHARGE - containing or producing the kind of electric charge carried by electrons NEST - a structure shaped something like a bow, built by birds out of twigs, straw, etc NEUTRON - a particle that is neutral electrically and has about the same mass as a proton NIGHT - the time between evening and morning NON CONDUCTOR - a substance that does not conduct heat or electricity NON MAGNETIC - a substance that is not attracted to a magnet NORTH - the point or direction to the left of a person facing east NUCLEAR - pertaining to the nucleus of an atom; atomic energy NUCLEAR ENERGY - energy produced through intense and complicated chemical reactions NUCLEUS - the center of the atom Nest
 O OBJECTIVE - a magnifying lens that is a part of a microscope OBSERVATION - to notice OBSERVE - see and note; notice; examine closely  OPTIC NERVE - the nerve of sight between the optic centers of the brain and the eye OPTICAL - visual, of the eye OPTICAL ILLUSION - an involuntary mental misinterpretation of something seen, caused by its deceptive appearance  OPTICS - the scientific study of sight and light to its medium
 P PAPER - a substance manufactured in thin sheets from wood, fibers, rags, etc. used for writing, printing or drawing or wrapping things PAPER MACHE - a mixture of flour, water, and strips of paper that can create a solid when it dries  PARALLEL - at or being the same distance apart everywhere, like the two rails of a railroad track PARALLEL CIRCUIT - circuits placed continuously at the same distance from each other PARTNER - one who shares with another or others in some activity, especially in a business firm where he shares PATTERN - an arrangement of lines, shapes and colors, a decorative design PENTAGONAL - 5 part symmetry  PERCEPTION - understanding of a subject PHENOMENA - a fact, occurrence or change perceived by any of the senses of mind PHYSICAL - of the body PHYSICS - the scientific study of the properties and interactions of matter and energy PITCH - to set at a particular degree or slope level PLANOCONCAVE - object that is flat on top and concave on the bottom PLANOCONVEX - object that is flat on top and convex on the bottom PLASTIC - a synthetic resinous substance that can be given any permanent shape by molding it under pressure and heat PLATE TECTONICS - the creation and consumption of the crust of the earth and the interpretation of data to understand the interior of the Earth PLOT - mark the position of something on a map or diagram POLLUTION - uncleanness; defiling POSITIVE - containing or producing the kind of electric charge produced by protons, like the rubbing of glass with silk  POSITIVE CHARGE - a charge through which electric currents flow POTENTIAL - capable of coming into being or of being developed or used POWER - strength; force; might PREDICT - to tell in advance PREDICTION - forecast PRISM - a solid geometric shape with ends that are similar, equal and parallel. PRESSURE - the continued action of a weight or force PROBLEM - any question involving uncertainty PROCEDURE - course of action, how you do it PROTON - a particle of matter with a positive electric charge PULL - to exert force upon (something) so as to move it towards oneself or the source of the force PULLEY - a wheel over which a rope, chain, or bet passes, used in lifting PUPIL - an opening in the center of the eye through which light passes through to the retina  PUSH - to exert force upon (something) so as to move it away from oneself or away from the source of the force PYRAMID - a structure with a flat square base with slopping sides that meet at the top Pyramid
 Q QUALITATIVE - observational study that does not involve great mathematical manipulation of data QUANTITATIVE - mathematical study in which data is gathered and manipulated QUESTION - a sentence requesting information or an answer Question
 R RADIAL - from a center, outward in rays RADICAL - giving to the root or foundation of something RADIO WAVES - waves used to transmit sound RAMP - a slope joining two levels of floor or road etc. RECORD - set down in writing so as to keep for future use RECOVERY - to return to a normal condition after an illness or unconsciousness RECTANGLE - a 4 sided polygon REFLECT - give back an image of REFLECTED RAY - light that bounces off a surface REFLECTION - bounces off a surface REFRACT - bends light  REFRACTION - the bending of a ray of light, heat and sound at the boundary between two mediums of dissimilar nature REPEL - to drive away RESEARCH - a careful hunting for facts or truths; inquiry; investigation RESEARCHER - a person who conducts a program that looks into investigation RESULT - an answer or formula RETINA - a layer of membrane at the back of the eyeball sensitive to light RHOMBOHEDRAL - resembling the shape of a rhombohedron RHOMBOHEDRON - a solid, bounded by 6 parallelograms RIGID - stiff not binding or yielding RING - put a ring around; enclose; form a circle around ROCKET - a self-propelled device operation by means of gases escaping from a nozzle or jet at the rear of a combustion chamber ROLLER SKATE - one of a pair of sets of four wheels attached to the sole of boots or shoes so that the wearer can glide over hard surfaces ROME - the capital of Italy ROTATE - move around a center or axis, turn in a circle; revolve ROUND - having curved shape or outline like a circle, sphere or cylinder RUBBER - a tough elastic substance made from the coagulated juice of certain tropical plants or synthetically produced  RULER - straight strip of wood, metal etc used in measuring and drawing lines Rocket
 S SAFETY - freedom from harm or danger SCALE - the pan of a balance used for weighing SCIENCE - knowledge gained by logic or reasoning SCIENTIFIC METHOD - a systematic approach to gathering data and observation  SCIENTIST - a person who is expert or authority on any of the various fields in science, including biology,  geology, physics, chemistry SCREW - a metal pin with a large spiral edge SEMI-CONDUCTOR - substance that conducts electricity but not as well as most metals do.  SENSES - the faculties of sight, hearing, smell, taste and touch by which the external world is perceived SERIES CIRCUIT - circuits that are connected to one another much like christmas lights SEQUENCE - succession, the coming of one thing after another SERIES - things alike in a row; things placed one after another SHAPE - an area or form with a definite outline SHELL - the hard outer covering of eggs, nuts, and animals SIGHT - the faculty of seeing, ability to see, eyesight SILICON - an element that is a silver color, metallic luster, that does not occur naturally; used in the  computer industry SIMPLE MACHINE - a basic machine such as a lever that takes a small amount energy and produces a large amount of energy to be used to form work  SKELETON - the bones of a body, fitted together in their natural places SKY - the covering over the Earth; the region of the clouds or the upper air SLIGHTLY MAGNETIZED - not much or great amount of magnetism SMELL - a sensation perceived with the nose SOAR - fly upward; fly at great height SOCIETY - a group of persons united by a common purpose or interest SOLAR - having to do with the Sun SOUND - vibrations that travel through the air that are detectable by the ear SOUND WAVE - a wave that consists of successive compressions and refractions of the medium through which it travels SOUR - having a tart taste SOUTH - the direction opposite north SPACE - unlimited room or place extending in all directions SPADE - geometric shape, upside down heart with a short stem  SPHERE - a round 3 dimensional body SPIN - to turn or cause to turn rapidly on its axis SPIRAL - advancing or descending in a continuous curve that winds around a central point on its axis SQUARE - a box with 4 equal sides STAR - any of the bright points seen in the sky at night STATIC - force acting by weight without motion STATIC ELECTRICITY - electricity present and not flowing as a current STEAM - water in the form of vapor or gas STIR - to move or cause to move STRONG NUCLEAR - the attraction of particles inside the nucleus STRONGLY MAGNETIZED - having great properties of magnetism SUBATOMIC FORCE - attraction between neutrons, protons, and electrons SURFACE - the outside of anything SUSPENSION - being suspended SYMMETRY - equality of parts SYNTHETIC - made by synthesis, manufactured as opposed to produced naturally Scientist
 T TALL - higher than the average; high; of the specified height TASTE - the sensation caused in the tongue by things placed upon it TECHNOLOGY - applied science used in society TELEGRAPH - system or apparatus for sending messages over a distance by transmission of electrical impulses along wires  TELESCOPE - an optical instrument using lenses or mirrors or both to make distant objects seem larger TESSELLATION - mosaic, a mathematical term that refers to polygons that create a pattern TEST TUBE - cylindrical container THINK - have ideas THREAD - a thin length of any substance THRUST - push with force THREE DIMENSIONAL - a solid; real object TOOL - a thing (usually something held in the hand) for working on something TOPOLOGY - the study of curved surfaces TOUCH - to be or come together so that there is no space between to meet (another object) in this way TRAIN - line of cars:  a railroad train including the engine, coaches, and caboose TRANSMIT - to send TRANSPORTATION - carry from one place to another TRANSVERSE - lying across; placed crosswise; crossing from side to side TRIANGLE - 3 sided figure TROUGH - the depression between two ridges or waves TURN - to change or cause to change in position so that a different side becomes uppermost or nearest to a certain point TWO DIMENSIONAL - a flat representation of a three dimensional object Train
 U ULTRAVIOLET RAYS - rays of radiation having a wave length that is slightly shorter than that of visible  light ray and the violet end of the spectrum UNIVERSE CYCLE - the birth and evolution of the universe  UNMAGNETIZED - not magnetic URBAN - of or situated in a city or town URBAN PLANNING - designing for a city UTILITY COMPANIES - companies dealing with utility Urban
 V VELOCITY - swiftness, quickness; rate of motion VIBRATIONS - moving rapidly and continuously to and from VIRTUAL IMAGE - an illusionary image that is seen by an observer through a lens but cannot be projected on screen VOLT - the unit of electromotive force; one volt causes a current of one ampere to flow through a resistance of one ohm VOLUME - the amount of space within something
 W WATT - a unit of electric power WAVES - ridges of moving water along the surface of the sea WAVE LENGTH - the distance between corresponding point in a sound wave or electromagnetic wave  (crest to crest) WEAK NUCLEAR - the attraction that elements have when they combine WEAVE - to make (fabric) by passing crosswise threads or strips under and over lengthwise ones WEDGE - a piece of wood or metal that is thick at one end and tapered to the edge at the other, to thrust  between things to force them apart or prevent them from moving WEIGH - to measure the weight of, especially by means of scales or a similar instrument WEIGHT - the force of gravity pulling down on an object WEIGHTLESS - having no weigh WEST - the point on the horizon where the sun sets WHEEL - a disk or circular frame arranged to revolve on a shaft that passes through its center WHEEL AND AXLE - a simple machine that utilizes 2 tires and a bar or axle to help produce movement WIDE - extending a certain distance from side to side WINDMILL - a mill or machine worked by the wind WORK - to perform by the use of the body or mental power in order to make do something Waves
 X X-RAY - a photograph or examination made by means of a kind of electromagnetic radiation that can penetrate solids to make it possible to see into or through them X-Ray
 Y
 Z ZERO GRAVITY - no gravity ZIPPER - a fastening device consisting of two flexible strips of material with projections that interlock when brought together by a sliding tab Zipper