Word pack · Picked by Talk

Science & tech: 320 English words in 29 topics

320 words29 topicsevery word with momentsfrom 481 videos

Start this pack

Free. You sign in with Google first.

Picked by Talk, shared under CC BY-SA 4.0. All credits

Try 5 words from Science & tech

From the Devices topic

Word 1 of 5

battery

noun

The Future Of Energy Storage Beyond Lithium Ion

As these videos use it

a device that produces electricity; may have several primary or secondary cells arranged in parallel or series

Said in 938 lines across 127 videos

Find battery in the list

No account needed to try. Nothing here is saved.

This pack has 320 science and technology words that Talk picked, in 29 small topics. Every one comes with moments from real videos.

All 320 words in Science & tech, by topic

The topics run from devices and the internet, with words like battery, to coding, AI and deep space, with words like gravity and planet. Its moments come from videos such as “I bought a "PS5" on Wish...” and “Close-up card magic with a twist”.

Tap any word to hear it and play its moments from real videos.

Devices

12 words · 01/29
  1. phonenounelectronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into soundsin 435 videos
  2. smartphone3 momentsin 38 videos
  3. laptop3 momentsin 69 videos
  4. tablet3 momentsin 40 videos
  5. screennounthe display that is electronically created on the surface of the large end of a cathode-ray tubein 259 videos
  6. batterynouna device that produces electricity; may have several primary or secondary cells arranged in parallel or seriesin 127 videos
  7. chargernouna device for charging or recharging batteriesin 15 videos
  8. cameranounequipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)in 408 videos
  9. headphones3 momentsin 36 videos
  10. microphone3 momentsin 43 videos
  11. devicenounan instrumentality invented for a particular purposein 196 videos
  12. signalnounan electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comesin 199 videos

Internet

12 words · 02/29
  1. internet3 momentsin 233 videos
  2. onlineadjectiveconnected to a computer network or accessible by computerin 277 videos
  3. website3 momentsin 198 videos
  4. app3 momentsin 181 videos
  5. emailnoun(computer science) a system of world-wide electronic communication in which a computer user can compose a message at one terminal that can be regenerated at the recipient's terminal when the recipient logs inin 136 videos
  6. download3 momentsin 86 videos
  7. upload3 momentsin 58 videos
  8. social mediaphrase3 momentsin 148 videos
  9. wifi3 momentsin 38 videos
  10. browsernouna program used to view HTML documentsin 24 videos
  11. search enginephrase1 momentin 4 videos

Computers

12 words · 03/29
  1. computernouna machine for performing calculations automaticallyin 316 videos
  2. keyboardnoundevice consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer or the likein 38 videos
  3. software3 momentsin 114 videos
  4. hardwarenoun(computer science) the mechanical, magnetic, electronic, and electrical components making up a computer systemin 92 videos
  5. installverbset up for usein 95 videos
  6. updatenounmodernize or bring up to datein 175 videos
  7. memorynounthe power of retaining and recalling past experiencein 249 videos
  8. storagenoun(computer science) the process of storing information in a computer memory or on a magnetic tape or diskin 93 videos
  9. hard drivephrase3 momentsin 27 videos
  10. processornoun(computer science) the part of a computer (a microprocessor chip) that does most of the data processingin 40 videos
  11. networknounan interconnected system of things or peoplein 210 videos
  12. virtual reality3 momentsin 24 videos

Online safety

10 words · 04/29
  1. password3 momentsin 24 videos
  2. accountnouna formal contractual relationship established to provide for regular banking or brokerage or business servicesin 258 videos
  3. securitynounmeasures taken as a precaution against theft or espionage or sabotage etc.in 201 videos
  4. privacynounthe quality of being secluded from the presence or view of othersin 60 videos
  5. personal dataphrase1 momentin 9 videos
  6. scamnouna fraudulent business schemein 41 videos
  7. hackernouna programmer who breaks into computer systems in order to steal or change or destroy information as a form of cyber-terrorismin 13 videos
  8. spamnoununwanted e-mail (usually of a commercial nature sent out in bulk)in 18 videos
  9. malware2 momentsin 5 videos
  10. encryption3 momentsin 9 videos

Science basics

11 words · 05/29
  1. sciencenouna particular branch of scientific knowledgein 582 videos
  2. technologynounthe practical application of science to commerce or industryin 393 videos
  3. scientist3 momentsin 405 videos
  4. scientificadjectiveof or relating to the practice of sciencein 205 videos
  5. researchnounsystematic investigation to establish factsin 408 videos
  6. experimentnounthe act of conducting a controlled test or investigationin 303 videos
  7. laboratorynouna workplace for the conduct of scientific researchin 210 videos
  8. microscope3 momentsin 29 videos
  9. discoverynounsomething that is discoveredin 177 videos
  10. theorynouna tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomenain 351 videos
  11. evidencenounyour basis for belief or disbelief; knowledge on which to base beliefin 338 videos

Measuring

11 words · 06/29
  1. measureverbdetermine the measurements of something or somebody, take measurements ofin 332 videos
  2. measurement3 momentsin 105 videos
  3. lengthnounthe linear extent in space from one end to the other; the longest dimension of something that is fixed in placein 199 videos
  4. width3 momentsin 51 videos
  5. heightnounthe vertical dimension of extension; distance from the base of something to the topin 175 videos
  6. distancenounthe property created by the space between two objects or pointsin 283 videos
  7. weightnounthe vertical force exerted by a mass as a result of gravityin 305 videos
  8. volumenounthe amount of 3-dimensional space occupied by an objectin 180 videos
  9. temperaturenounthe degree of hotness or coldness of a body or environment (corresponding to its molecular activity)in 396 videos
  10. metrenounthe basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)in 200 videos
  11. kilogram3 momentsin 69 videos

Materials

12 words · 07/29
  1. materialnounthe tangible substance that goes into the makeup of a physical objectin 352 videos
  2. metalnounany of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.in 196 videos
  3. plasticnoungeneric name for certain synthetic or semisynthetic materials that can be molded or extruded into objects or films or filaments or used for making e.g. coatings and adhesivesin 143 videos
  4. glassnouna brittle transparent solid with irregular atomic structurein 259 videos
  5. steelnounan alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide rangein 105 videos
  6. ironnouna heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the bloodin 121 videos
  7. aluminium3 momentsin 57 videos
  8. coppernouna ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductorin 39 videos
  9. solidnounthe state in which a substance has no tendency to flow under moderate stress; resists forces (such as compression) that tend to deform it; and retains a definite size and shapein 204 videos
  10. liquidnounfluid matter having no fixed shape but a fixed volumein 170 videos
  11. gasnounthe state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any containerin 257 videos
  12. densitynounthe amount per unit sizein 109 videos

Energy

12 words · 08/29
  1. energynounin science, the ability to do work, such as making things move or heat upin 553 videos
  2. powernoun(physics) the rate of doing work; measured in watts (= joules/second)in 747 videos
  3. heatnouna form of energy that is transferred by a difference in temperaturein 409 videos
  4. electricitynounenergy made available by the flow of electric charge through a conductorin 97 videos
  5. fuelnouna substance that can be consumed to produce energyin 210 videos
  6. petrol2 momentsin 30 videos
  7. fossil fuelphrase3 momentsin 22 videos
  8. emissionnouna substance that is emitted or releasedin 51 videos
  9. solar panelphrase3 momentsin 26 videos
  10. renewable energyphrase3 momentsin 8 videos
  11. nuclear powerphrase3 momentsin 17 videos
  12. power stationphrase1 momentin 29 videos

Earth and climate

12 words · 09/29
  1. weathernounthe atmospheric conditions that comprise the state of the atmosphere in terms of temperature and wind and clouds and precipitationin 272 videos
  2. climatenounthe weather in some location averaged over some long period of timein 196 videos
  3. climate changephrase3 momentsin 74 videos
  4. global warmingphrase3 momentsin 30 videos
  5. environmentnounthe area in which something exists or livesin 362 videos
  6. pollutionnounundesirable state of the natural environment being contaminated with harmful substances as a consequence of human activitiesin 28 videos
  7. atmospherenounthe mass of air surrounding the Earthin 202 videos
  8. carbon dioxidephrase3 momentsin 58 videos
  9. greenhouse gasphrase3 momentsin 23 videos
  10. oceannouna large body of water constituting a principal part of the hydrospherein 268 videos
  11. volcanonouna fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases eruptin 19 videos
  12. earthquakenounshaking and vibration at the surface of the earth resulting from underground movement along a fault plane of from volcanic activityin 29 videos

Space

10 words · 10/29
  1. spacenounany location outside the Earth's atmospherein 733 videos
  2. sunnounthe star that is the source of light and heat for the planets in the solar systemin 341 videos
  3. moonnounthe natural satellite of the Earthin 190 videos
  4. starnoun(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interiorin 404 videos
  5. planetnouna large, round object in space, such as Earth or Mars, that moves around a starin 387 videos
  6. solar systemphrase3 momentsin 76 videos
  7. orbitverbtravel around a planet, star or moon on a curved pathin 151 videos
  8. telescopenouna magnifier of images of distant objectsin 61 videos
  9. comet3 momentsin 17 videos
  10. asteroidnounany of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)in 50 videos

The body

11 words · 11/29
  1. human bodyphrase3 momentsin 46 videos
  2. brainnounthat part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cordin 535 videos
  3. heartnounthe hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the bodyin 452 videos
  4. lung3 momentsin 93 videos
  5. bloodnounthe red liquid that your heart pumps around your bodyin 297 videos
  6. bonenounrigid connective tissue that makes up the skeleton of vertebratesin 252 videos
  7. musclenounone of the contractile organs of the bodyin 213 videos
  8. nervenounone of the long, thin threads in the body that carry messages between the brain and other partsin 110 videos
  9. organnouna fully differentiated structural and functional unit in an animal that is specialized for some particular functionin 103 videos
  10. skeletonnounthe hard structure (bones and cartilages) that provides a frame for the body of an animalin 58 videos
  11. blood vesselphrase3 momentsin 41 videos

Machines

10 words · 12/29
  1. machinenounany mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasksin 374 videos
  2. toolnounan implement used in the practice of a vocationin 300 videos
  3. enginenounmotor that converts thermal energy to mechanical workin 165 videos
  4. motornounmachine that converts other forms of energy into mechanical energy and so imparts motionin 115 videos
  5. wheelnouna simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines)in 146 videos
  6. levernouna rigid bar pivoted about a fulcrumin 36 videos
  7. pumpnouna mechanical device that moves fluid or gas by pressure or suctionin 179 videos
  8. turbine2 momentsin 6 videos
  9. jet enginephrase3 momentsin 9 videos
  10. mechanismnounthe technical aspects of doing somethingin 136 videos

Electricity and magnets

12 words · 13/29
  1. electricnounusing or providing or producing or transmitting or operated by electricityin 132 videos
  2. electricaladjectiverelating to or concerned with electricityin 84 videos
  3. electronics3 momentsin 59 videos
  4. electric currentphrase3 momentsin 9 videos
  5. circuitnounan electrical device that provides a path for electrical current to flowin 69 videos
  6. wirenouna metal conductor that carries electricity over a distancein 139 videos
  7. cablenouna conductor for transmitting electrical or optical signals or electric powerin 81 videos
  8. plugverbpush the end of a cable into a socket to connect a devicein 128 videos
  9. voltagenounthe difference in electrical charge between two points in a circuit expressed in voltsin 23 videos
  10. light bulb3 momentsin 25 videos
  11. magnetnoun(physics) a device that attracts iron and produces a magnetic fieldin 47 videos
  12. magnetic fieldphrase3 momentsin 41 videos

Health science

12 words · 14/29
  1. medicinenounthe learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuriesin 86 videos
  2. disease3 momentsin 175 videos
  3. virusnoun(virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of proteinin 47 videos
  4. bacteria3 momentsin 96 videos
  5. microbe3 momentsin 25 videos
  6. infectionnounthe pathological state resulting from the invasion of the body by pathogenic microorganismsin 66 videos
  7. vaccine3 momentsin 29 videos
  8. immune systemphrase3 momentsin 43 videos
  9. antibioticnouna chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infectionsin 30 videos
  10. treatmentnouncare provided to improve a situation (especially medical procedures or applications that are intended to relieve illness or injury)in 108 videos
  11. diagnosis3 momentsin 42 videos
  12. x-rayphrase3 momentsin 46 videos

Space travel

10 words · 15/29
  1. rocketnouna vehicle, such as a spacecraft, driven by a stream of hot gas from its enginein 128 videos
  2. launchnounthe act of propelling with forcein 284 videos
  3. astronaut3 momentsin 92 videos
  4. spacecraft3 momentsin 61 videos
  5. spaceship3 momentsin 35 videos
  6. satellitenounman-made equipment that orbits around the earth or the moonin 118 videos
  7. space stationphrase3 momentsin 72 videos
  8. missionnouna special assignment that is given to a person or groupin 255 videos
  9. landingnounthe act of coming down to the earth (or other surface)in 112 videos
  10. rover3 momentsin 40 videos

Light and sound

12 words · 16/29
  1. lightnoun(physics) electromagnetic radiation that can produce a visual sensationin 798 videos
  2. soundnounthe particular auditory effect produced by a given causein 796 videos
  3. colournouna visual attribute of things that results from the light they emit or transmit or reflectin 420 videos
  4. shadownounshade within clear boundariesin 103 videos
  5. mirrornounpolished surface that forms images by reflecting lightin 145 videos
  6. reflectionnounthe image of something as reflected by a mirror (or other reflective material)in 53 videos
  7. echonounthe repetition of a sound resulting from reflection of the sound wavesin 43 videos
  8. vibrationnounthe act of vibratingin 42 videos
  9. wavenoun(physics) a movement up and down or back and forthin 317 videos
  10. frequencynounthe number of occurrences within a given time periodin 93 videos
  11. laser3 momentsin 88 videos
  12. speed of lightphrase3 momentsin 72 videos

Forces and motion

11 words · 17/29
  1. forcenoun(physics) the influence that produces a change in a physical quantityin 652 videos
  2. gravitynoun(physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface; --Albert Einsteinin 183 videos
  3. speednoundistance travelled per unit timein 431 videos
  4. motionnouna natural event that involves a change in the position or location of somethingin 213 videos
  5. pressurenounthe force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit)in 505 videos
  6. frictionnounthe resistance encountered when one body is moved in contact with anotherin 62 videos
  7. massnounthe property of a body that causes it to have weight in a gravitational fieldin 325 videos
  8. accelerationnoun(physics) a rate of increase of velocityin 49 videos
  9. velocity3 momentsin 92 videos
  10. momentumnounthe product of a body's mass and its velocityin 79 videos
  11. kinetic energyphrase3 momentsin 30 videos

Living things

12 words · 18/29
  1. biologynounthe science that studies living organismsin 88 videos
  2. cellnoun(biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animalsin 295 videos
  3. organismnouna living thing that has (or can develop) the ability to act or function independentlyin 101 videos
  4. speciesnoun(biology) taxonomic group whose members can interbreedin 276 videos
  5. mammal3 momentsin 100 videos
  6. insectnounsmall air-breathing arthropodin 63 videos
  7. ecosystem3 momentsin 73 videos
  8. habitat3 momentsin 59 videos
  9. predatornounany animal that lives by preying on other animalsin 106 videos
  10. preynounanimal hunted or caught for foodin 76 videos
  11. extinctadjectiveno longer in existence; lost or especially having died out leaving no living representativesin 96 videos
  12. photosynthesis3 momentsin 21 videos

Research methods

12 words · 19/29
  1. testnountrying something to find out about itin 611 videos
  2. observeverbdiscover or determine the existence, presence, or fact ofin 172 videos
  3. observationnounthe act of observing; taking a patient lookin 107 videos
  4. predictverbmake a prediction about; tell in advancein 214 videos
  5. predictionnouna statement made about the futurein 132 videos
  6. samplenouna small part of something intended as representative of the wholein 127 videos
  7. accurateadjectiveconforming exactly or almost exactly to fact or to a standard or performing with total accuracyin 143 videos
  8. hypothesisnouna proposal intended to explain certain facts or observationsin 97 videos
  9. variablenounsomething that is likely to vary; something that is subject to variationin 70 videos
  10. analyseverbconsider in detail and subject to an analysis in order to discover essential features or meaningin 108 videos
  11. conclusionnouna position or opinion or judgment reached after considerationin 93 videos
  12. scientific methodphrase3 momentsin 20 videos

Data

10 words · 20/29
  1. datanouna collection of facts from which conclusions may be drawnin 378 videos
  2. informationnounknowledge acquired through study or experience or instructionin 485 videos
  3. digitaladjectiveof a circuit or device that represents magnitudes in digitsin 164 videos
  4. analysisnounan investigation of the component parts of a whole and their relations in making up the wholein 111 videos
  5. database3 momentsin 26 videos
  6. graphnouna visual representation of the relations between certain quantities plotted with reference to a set of axesin 63 videos
  7. chartnouna visual display of informationin 68 videos
  8. statisticsnouna datum that can be represented numericallyin 48 videos
  9. averageadjectivelacking special distinction, rank, or status; commonly encounteredin 467 videos
  10. percentagenouna proportion in relation to a whole (which is usually the amount per hundred)in 95 videos

Maths

10 words · 21/29
  1. maths3 momentsin 240 videos
  2. equationnouna mathematical statement that two expressions are equalin 132 videos
  3. formulanouna group of symbols that make a mathematical statementin 80 videos
  4. calculateverbmake a mathematical calculation or computationin 144 videos
  5. calculationnounthe procedure of calculating; determining something by mathematical or logical methodsin 73 videos
  6. fractionnouna small part or item forming a piece of a wholein 88 videos
  7. rationounthe relative magnitudes of two quantities (usually expressed as a quotient)in 105 videos
  8. anglenounthe space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radiansin 187 videos
  9. geometry3 momentsin 47 videos
  10. probabilitynouna measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possiblein 83 videos

Engineering

11 words · 22/29
  1. engineernouna person who uses scientific knowledge to solve practical problemsin 298 videos
  2. designverbmake or work out a plan for; devisein 523 videos
  3. inventverbcome up with (an idea, plan, explanation, theory, or principle) after a mental effortin 182 videos
  4. inventionnouna creation (a new device or process) resulting from study and experimentationin 58 videos
  5. prototype3 momentsin 54 videos
  6. structurenouna thing constructed; a complex entity constructed of many partsin 322 videos
  7. constructionnounthe act of constructing somethingin 90 videos
  8. componentnounan artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a systemin 171 videos
  9. mechanicaladjectiverelating to or governed by or in accordance with mechanicsin 94 videos
  10. sensor3 momentsin 77 videos
  11. 3d printerphrase2 momentsin 7 videos

Chemistry

11 words · 23/29
  1. chemistrynounthe science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactionsin 92 videos
  2. chemicaladjectiverelating to or used in chemistryin 204 videos
  3. chemical reactionphrase3 momentsin 27 videos
  4. elementnounany of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matterin 231 videos
  5. periodic tablephrase3 momentsin 16 videos
  6. oxygen3 momentsin 156 videos
  7. hydrogen3 momentsin 91 videos
  8. carbonnouna chemical element found in all living things and in coal, oil and diamondsin 156 videos
  9. compoundnoun(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weightin 81 videos
  10. mixturenounany foodstuff made by combining different ingredientsin 101 videos
  11. acidnounany of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a saltin 99 videos

Coding

10 words · 24/29
  1. codenoun(computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructionsin 256 videos
  2. programverbwrite the instructions that tell a computer what to doin 336 videos
  3. programmer3 momentsin 18 videos
  4. developer3 momentsin 41 videos
  5. algorithm3 momentsin 79 videos
  6. bugnouna fault or defect in a computer program, system, or machinein 64 videos
  7. computer sciencephrase3 momentsin 30 videos
  8. binaryadjectiveof or pertaining to a number system have 2 as its basein 37 videos
  9. inputnounsignal going into an electronic systemin 75 videos
  10. outputnounproduction of a certain amountin 61 videos

AI and robots

10 words · 25/29
  1. artificial intelligence3 momentsin 63 videos
  2. machine learningphrase3 momentsin 15 videos
  3. neural networkphrase3 momentsin 11 videos
  4. robot3 momentsin 100 videos
  5. robotics3 momentsin 20 videos
  6. dronenounan aircraft without a pilot that is operated by remote controlin 59 videos
  7. automationnounthe act of implementing the control of equipment with advanced technology; usually involving electronic hardwarein 20 videos
  8. autonomousadjective(of persons) free from external control and constraint in e.g. action and judgmentin 44 videos
  9. self-drivingphraseOf a motor vehicle: equipped with sensors and computer technology to allow it to drive without a human operator.in 16 videos
  10. simulationnoun(computer science) the technique of representing the real world by a computer programin 51 videos

Genes and evolution

12 words · 26/29
  1. dna3 momentsin 126 videos
  2. gene3 momentsin 98 videos
  3. geneticadjectiveof or relating to or produced by or being a genein 97 videos
  4. genome3 momentsin 24 videos
  5. protein3 momentsin 129 videos
  6. mutationnoun(genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organismin 42 videos
  7. evolutionnoun(biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organismsin 158 videos
  8. evolveverbundergo development or evolutionin 265 videos
  9. natural selectionphrase3 momentsin 28 videos
  10. adaptationnounthe process of adapting to something (such as environmental conditions)in 68 videos
  11. fossilnounthe remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soilin 147 videos
  12. dinosaur3 momentsin 85 videos

Atoms and particles

10 words · 27/29
  1. atomnoun(physics and chemistry) the smallest component of an element having the chemical properties of the elementin 117 videos
  2. atomicadjectiveof or relating to or comprising atomsin 50 videos
  3. moleculenoun(physics and chemistry) the simplest structural unit of an element or compoundin 146 videos
  4. particlenouna body having finite mass and internal structure but negligible dimensionsin 163 videos
  5. electron3 momentsin 94 videos
  6. proton3 momentsin 57 videos
  7. neutron3 momentsin 41 videos
  8. nucleusnounthe positively charged dense center of an atomin 48 videos
  9. photon3 momentsin 54 videos
  10. radioactive3 momentsin 43 videos

Deep space

10 words · 28/29
  1. astronomy3 momentsin 22 videos
  2. universenouneverything that exists anywherein 258 videos
  3. galaxynoun(astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dustin 115 videos
  4. black holephrase3 momentsin 78 videos
  5. light yearphrase3 momentsin 39 videos
  6. big bangphrase3 momentsin 60 videos
  7. dark matterphrase3 momentsin 24 videos
  8. dark energyphrase3 momentsin 28 videos
  9. supernova3 momentsin 30 videos
  10. neutron starphrase3 momentsin 15 videos

Advanced physics

10 words · 29/29
  1. physicsnounthe science of matter and energy and their interactionsin 233 videos
  2. physicist3 momentsin 93 videos
  3. relativitynoun(physics) the theory that space and time are relative concepts rather than absolute conceptsin 76 videos
  4. quantumnounin physics, the smallest amount of energy, or of another measurable thing, that can existin 97 videos
  5. quantum mechanicsphrase3 momentsin 62 videos
  6. spacetime3 momentsin 66 videos
  7. radiationnounenergy that is radiated or transmitted in the form of rays or waves or particlesin 128 videos
  8. wavelengthnounthe distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wavein 43 videos
  9. electromagnetic3 momentsin 58 videos
  10. nuclear fusionphrase3 momentsin 11 videos

Where the words in Science & tech come from

Words
Picked by Talk.
How Talk picked them
We started from the words that set science and tech videos apart from the rest of the catalogue, kept general science and technology vocabulary that learners can hear in at least two open videos (almost all in three or more), and grouped it by topic from everyday to specialised.
What Talk changed
Grouped into 29 topics, with the forms Talk looks for in captions, how many Talk videos say each word, up to three video moments and a meaning chosen to match them. This list is shared under CC BY-SA 4.0.
Meanings
From Wiktionary contributors (CC BY-SA 4.0) and Princeton WordNet, used under the WordNet licence; Talk reworded some in plain English. WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

How to practice with Science & tech

  1. Try any wordTap a word to hear it and play its moments from real videos. No account needed.
  2. Start the packPick 5, 10 or 20 new words a day. Talk adds them to your daily review, after the words you have due.
  3. Keep what you needKeep a word to practice it, or mark one you already know. A kept word comes back over the days ahead, with another of its moments.
Start this pack

Free. You sign in with Google first.

Questions about Science & tech

Do I need an account to use Science & tech?

No. You can read every word, hear it and play its moments without signing in. A free account is only for starting a pack: Talk then adds 5, 10 or 20 of its words a day to your review and keeps your progress.

How did Talk pick the words in Science & tech?

We started from the words that set science and tech videos apart from the rest of the catalogue, kept general science and technology vocabulary that learners can hear in at least two open videos (almost all in three or more), and grouped it by topic from everyday to specialised.

Where do the words in Science & tech come from?

Talk picked them. We started from the words that set science and tech videos apart from the rest of the catalogue, kept general science and technology vocabulary that learners can hear in at least two open videos (almost all in three or more), and grouped it by topic from everyday to specialised. The list is shared under CC BY-SA 4.0.

How were the moments in Science & tech picked?

Each moment is one caption line from a video in Talk's catalog where the word is said. A word gets up to three, each from a different video, and a moment is dropped when its line no longer matches the video's captions. All 320 words in this pack have at least one moment, 313 have all three.

Packs to try after Science & tech

199 of the 320 words here are in no other Talk pack. It shares 48 with Academic English.

All packs

We use cookies to see how people use Talk. Cookie details