WordRootRoot MeaningWord Meaning
biographybiolifeA written account of someone’s life
geographygeoearthStudy of Earth’s surface and features
photographphotolightA picture made using light
autographautoselfA person’s own signature
microscopemicrosmallTool to see very small things
telescopetelefarDevice for seeing distant objects
telephonephonsoundA device for transmitting sound over distances
phonicsphonsoundA method for teaching reading based on sound
biologybiolifeStudy of living things
thermostatthermheatDevice that controls temperature
thermalthermheatRelating to heat
grammargramwritingThe rules of a language
diagramgramwritingA drawing that explains something
audienceaudhearPeople who listen to a performance
auditoriumaudhearA large room for performances
visiblevis/vidseeAble to be seen
visionvis/vidseeThe ability to see
transportportcarryTo carry from one place to another
importportcarryTo bring goods into a country
exportportcarryTo send goods out of a country
manualmanhandDone by hand
manufacturemanhandTo make by hand or machine
pedalpedfootA lever operated by the foot
pedestrianpedfootA person who walks
scriptscrib/scriptwriteHandwriting or printed text
describescrib/scriptwriteTo say or write what something is like
inspectspeclookTo look at closely
spectatorspeclookA person who watches something
constructstructbuildTo build or put together
structurestructbuildSomething built, like a building
benefitbenegoodA good result
benignbenegoodKind or harmless
predictdictsayTo say what will happen next
dictionarydictsayA book of word meanings
eruptruptbreakTo explode or burst out
interruptruptbreakTo break into a conversation
cyclecyclcircleA series that repeats
bicyclecyclcircleA two-wheeled vehicle
astronomyastrostarStudy of space and stars
astronautastrostarA person trained to travel in space
democracydemopeopleRule by the people
demographicdemopeopleData about people (age, gender, etc.)
terrainterrearthLand or ground
territoryterrearthA specific area of land
submarinesubunderA vessel that goes under the sea
subwaysubunderAn underground train system
rejectjectthrowTo throw away or refuse
ejectjectthrowTo throw out
creditcredbelieveTrust in someone to pay back money
incrediblecredbelieveUnbelievable
fracturefractbreakA break in a bone
fractionfractbreakA part or piece of a whole
migratemigrmoveTo move from one place to another
immigrantmigrmoveA person who moves to a new country
equalequequalThe same in value or amount
equationequequalA math statement that two things are equal
unifyunioneTo make one
universeunioneAll of space and everything in it
triangletrithreeA shape with three sides
tricycletrithreeA vehicle with three wheels
centipedecenthundredAn insect with many legs (some say 100)
centurycenthundredA period of 100 years
vocalvocvoiceRelated to speaking
advocatevocvoiceTo speak in favor of something
conductductleadTo lead or guide
aqueductductleadA channel for water
locallocplaceRelated to a particular place
locationlocplaceA specific place
chroniclechrontimeA record of events in time order
synchronizechrontimeTo do at the same time
sympathypathfeelingSharing someone’s feelings
empathypathfeelingFeeling what another feels
thermometermetermeasureTool to measure temperature
perimetermetermeasureThe boundary around a shape
revisitvis/vidseeTo visit again
telephonetelefarDevice to hear from far away
telescopetelefarTool to see far
exportportcarryTo send out goods
deportportcarryTo carry away from a country
videovis/vidseeRecording of moving visual images
visualvis/vidseeRelated to seeing
insectsectcutA small animal with a body divided into parts
sectionsectcutA separate part of something
dismissmisssendTo send away
missionmisssendA task or duty someone is sent to do
escapecaptakeTo take oneself out of a situation
capturecaptakeTo take or catch something
flexibleflexbendAble to bend easily
reflectflexbendTo bend light back
insecticidecidekillA substance that kills insects
homicidecidekillThe killing of a person
lunarlunamoonRelated to the moon
lunaticlunamoonMentally ill (old belief: caused by moon phases)
agricultureagrifieldFarming or cultivation of land
agrarianagrifieldRelated to farming