Science & Nature Vocabulary

Vocabulary words related to science & nature that appear on standardized tests including GRE, SAT, TOEFL, and IELTS.

296 words · Page 5 of 5

secrete GRE TOEFL

To produce and release a substance, especially by a cell or gland.

segment GRE TOEFL IELTS

A distinct part or section of something, such as a circle, market, or organism.

seismology TOEFL

The scientific study of earthquakes and the propagation of elastic waves through the Earth.

shellfish TOEFL

Aquatic animals with shells, such as crabs, clams, and lobsters, often used as food.

silica TOEFL

A compound of silicon and oxygen, commonly found in sand and quartz, used in glass and ceramics.

silicate TOEFL

A compound containing silicon and oxygen, often found in minerals that make up a large portion of th...

simplify SAT

To make something easier to understand or deal with by reducing complexity.

skeleton TOEFL IELTS

The internal framework of bones in vertebrate animals; also, a minimal structure or outline.

skunk GRE

A small black and white mammal known for spraying a foul-smelling liquid when threatened.

sloth GRE TOEFL

A slow-moving, arboreal mammal native to Central and South America, known for hanging upside down in...

snake GRE

A long, legless reptile with a forked tongue; can also mean to move in a winding or twisting manner.

snowflake TOEFL

A small, unique ice crystal that falls from the sky during winter; sometimes used informally to desc...

soybean TOEFL

A type of bean native to East Asia, used to produce soy products like tofu and soy sauce.

spacecraft TOEFL

A vehicle designed to travel in outer space, often used for exploration or scientific missions.

species SAT TOEFL IELTS

A group of living organisms that can interbreed and are genetically similar.

specimen SAT GRE TOEFL IELTS

An individual sample of something used for scientific study or analysis.

sponge TOEFL IELTS

A porous material that can absorb water or liquid, used for cleaning; also refers to simple aquatic ...

spotless TOEFL

Perfectly clean or without flaws, defects, or blemishes.

starfish TOEFL

A marine invertebrate with a central disc and typically five arms, found on the seafloor.

status GRE TOEFL IELTS

The current condition or position of a person or thing in society or a system.

sterile GRE TOEFL

Free from bacteria or other living microorganisms; unable to reproduce.

sterilize GRE

To make something completely free of bacteria or other microorganisms, typically by heat or chemical...

stimuli TOEFL

Plural of stimulus; factors or events that produce a response in an organism.

subspecies TOEFL

A taxonomic category within a species that exhibits distinct traits but can still interbreed with ot...

suffocate GRE TOEFL

To die or cause to die from lack of oxygen or inability to breathe.

supernatural SAT TOEFL

Attributed to forces beyond scientific understanding or the laws of nature; mystical or otherworldly...

supervise TOEFL IELTS

To oversee and manage the work or performance of others.

suppose TOEFL IELTS

To assume something as a fact or hypothesis for the sake of argument.

survive TOEFL IELTS

To continue to live or exist, especially in spite of danger or hardship.

symbiosis TOEFL

A close, long-term interaction between two different biological species.

synthesis TOEFL

The combination of components to form a connected whole.

tadpole GRE TOEFL

The aquatic larval stage of a frog or toad, with a tail and no legs.

technician IELTS

A person skilled in the practical application of a science or art, often in a laboratory or mechanic...

technology SAT IELTS

The application of scientific knowledge for practical purposes, especially in industry and engineeri...

tentacle TOEFL

A long, flexible appendage on the head of many invertebrate animals, used for sensing or grasping.

termite GRE TOEFL

A small, pale insect that feeds on wood and lives in colonies.

terrestrial GRE TOEFL

Relating to the earth or land, as opposed to water or other planets.

theory IELTS

A well-substantiated explanation of some aspect of the natural world, based on knowledge that has be...

towering GRE TOEFL

Extremely tall or prominent; often implying dominance or impressiveness.

trial GRE TOEFL IELTS

A formal examination of evidence in a court of law to decide guilt or innocence; a test or experimen...

undergraduate TOEFL IELTS

A student at a college or university who has not yet earned a degree.

underlying TOEFL IELTS

Serving as a basis or foundation; lying beneath the surface.

vaccine GRE TOEFL

A substance used to stimulate the production of antibodies and provide immunity against a disease.

vacuum SAT TOEFL IELTS

A space entirely devoid of matter; a device that cleans by suction.

variation SAT TOEFL

A change or slight difference in condition, amount, or level, often within a certain range.

vegetation SAT GRE TOEFL

Plant life in general, especially the ground cover of a region or habitat.

vein TOEFL IELTS

A blood vessel that carries blood toward the heart; also, a natural deposit of mineral in a rock for...

velocity SAT GRE TOEFL IELTS

The speed of something in a given direction, often used in physics to describe motion.

vertebrate GRE TOEFL

An animal with a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fish...

viable GRE TOEFL

Capable of working successfully; feasible or sustainable.

viral TOEFL

Relating to or caused by a virus; (of content) rapidly spreading through online sharing.

virus GRE TOEFL IELTS

A microscopic infectious agent that replicates inside living cells; a harmful program that attacks c...

walrus GRE

A large, flippered marine mammal with prominent tusks found in Arctic regions.

warden GRE IELTS

A person in charge of a prison or a protected area such as a nature reserve.

wean GRE

To gradually move a young mammal from its mother's milk to other sources of nutrition; to detach or ...

weasel GRE

A small, slender carnivorous mammal with short legs and a long body, known for its agility and quick...

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