Flashcard word list
Science — words for scientific texts
120 words
How this list was built
These 120 words are the Science vocabulary in Reach120's bank, chosen from the 403 words tagged with this subject. 120 of them were mined from Reach120's own 2026-format passages, talks and question stems, and the least common of those still appears in 8 separate documents. Reach120 wrote this practice material for the 2026 format — it is not ETS content, and any band figure beside it is a Reach120-scored estimate, not an ETS score.
Sign in to add these words to your bank and review them on a schedule.
Every word in this list
longadjective
having great length or duration
B1materialnoun
physical substance from which something is made.
B1freeadjective
not costing money, or not restricted.
B1formnoun
Shape or structure of something, or to create it.
B1seeverb
Perceive something with the eyes.
B1callverb
Contact someone by phone or shout a name.
B1recordnoun
Written or stored account of facts kept for future reference.
B1smalladjective
Limited in size or amount.
B1animalnoun
A living creature that is not a plant or human.
B1lightnoun
The natural energy that makes things visible.
B1knowverb
To have information or understanding about something.
B1partnoun
a piece or portion of a larger whole.
B1loseverb
fail to keep or maintain possession of something.
B1flexibilitynoun
ability to adapt or change easily to new conditions.
B2beginverb
start doing or happening something.
B1produceverb
make or create something through effort or process.
B1lifenoun
the state of being alive, or a period of existence.
B1setnoun
group of matching items or things placed together.
B1endnoun
final point or last part of something.
B1labnoun
room equipped for scientific experiments or research.
B1storenoun
place where goods are sold to customers.
B1carefuladjective
paying close attention to avoid mistakes or harm.
B1centernoun
middle point of an area or building.
B1floornoun
lower surface of a room people walk on
B1simpleadjective
easy to understand or do, not complicated
B1speciesnoun
group of related living organisms able to breed together
B1termnoun
specific word or fixed period of time
B1entireadjective
whole, with no part left out
B1fitverb
to be right size or shape for something
B1pickverb
to choose or select from a group
B1worldnoun
planet Earth and everything on it.
B1appearverb
become visible or seem to be true.
B1historynoun
study of past events.
B1exactadjective
completely accurate and precise.
B2switchverb
change from one thing to another.
B1heavyadjective
Having great weight or force.
B1structurenoun
The way parts of something are arranged or organized.
B1vastadjective
Extremely large in size or amount.
B2soundnoun
Something that can be heard.
B1heatnoun
The quality of being hot; warmth.
B1patternnoun
A repeated or regular arrangement of things.
B1surfacenoun
The outside or top layer of something.
B1spacenoun
An empty area available for use.
B1effectnoun
result or change caused by something
B1balancenoun
state where opposing forces are equal
B1faceverb
to deal with a difficult situation
B1oceannoun
very large body of salt water
B1currentadjective
happening or existing right now
B1hardadjective
requiring much effort or skill to do
B1naturaladjective
existing in nature, not made or caused by people
B1tinyadjective
extremely small in size
B1scientistnoun
a person who studies or works in a field of science
B1rocknoun
hard mineral material forming part of earth's surface.
B1behaviornoun
way someone acts or conducts themselves.
B1physicaladjective
relating to the body rather than the mind.
B1steadyadjective
firmly fixed or not changing in position or condition.
B2layernoun
a single thickness of material covering a surface
B1colornoun
the visual property such as red, blue, or green
B1engineernoun
person trained to design or build machines, structures, or systems
B1deepadjective
extending far down or inward from a surface
B1distancenoun
amount of space between two points
B1evidencenoun
facts or signs that show something is true
B2eatverb
to put food into the mouth and swallow it
B1thinadjective
having little width or not fat
B1windnoun
moving air outdoors
B1pushverb
apply force to move something away
B1energynoun
power needed for activity or work
B1matchnoun
item or event that corresponds or competes
B1sciencenoun
systematic study of natural world
B1strongadjective
Having great physical power or force.
B1riseverb
to move upward or increase in amount
B1sunnoun
the star that gives light and heat to earth
B1coldadjective
having a low temperature, especially compared to the human body
B1sourcenoun
place or thing something comes from
B1captureverb
take hold of by force or skill
B1dependverb
rely on someone or something for support
B1linknoun
connection between two things
B1repeatverb
say or do something again
B1sunlightnoun
light coming from the sun
B1starnoun
bright object seen in night sky
B1birdnoun
animal with feathers and wings that can usually fly
B1deeperadjective
extending further down or more thoroughly into something
B1harderadjective
requiring more effort or force
B1largeradjective
greater in size
B1olderadjective
having lived or existed longer
B1topnoun
highest point or part of something
B1chemicalnoun
substance used in or produced by reactions
B1cooladjective
somewhat cold in temperature
B1datenoun
specific day marked on a calendar
B1flowverb
move steadily in a continuous stream
B1organismnoun
individual living thing, such as plant or animal
B2stonenoun
hard solid mineral material found in ground
B1elementnoun
basic part or component of something larger
B2gapnoun
empty space or break between two things
B1gasnoun
Substance that is neither solid nor liquid, like air.
B1outwardadjective
facing or moving toward outside
B2denseadjective
closely packed together with little space between
B2settleverb
resolve disagreement or establish home in a place
B2amountnoun
total quantity of something.
B1chemistrynoun
science studying substances and their reactions.
B1failverb
not succeed at attempted task.
B1suddenadjective
happening quickly and unexpectedly.
B1planetnoun
large round body orbiting a star
B1particlenoun
extremely small piece of matter
B2oldadjective
having lived or existed for a long time
B1blueadjective
having the color of a clear sky
B1darkadjective
having little or no light
B1objectnoun
physical thing that can be seen or touched
B1pullverb
move something toward yourself using force
B1collectverb
gather items together from different places
B1driftverb
To move slowly, often carried by air or water, without control.
B2puzzlenoun
A problem or game that tests one's thinking skills.
B1solidadjective
Firm and hard in form, not liquid or gas.
B1actverb
To take action or behave in a certain way.
B1cleveradjective
Quick to understand and having sharp thinking skills.
B1insectnoun
A small creature with six legs and often wings.
B1pressurenoun
A force pushing on something, or a feeling of stress.
B1memorynoun
The ability to remember information or past experiences.
B1carbonnoun
A common chemical element found in all living things.
B2zonenoun
area with particular features or purpose
B1