Science Vocabulary (Compilation) Flashcards
Adaptation
ad·ap·ta·tion
- *Part of Speech:** noun
- *Own:** a structure or feature of an organism that helps it meet a particular need in its natural habitat
- *Dictionary:** a trait or characteristic that helps an organism survive
- *Antonym:**
- *Synonym:** adjustment; alteration
Why don’t humans have an adaptation to be immune to the flu?
Air Pressure
air pres·sure
- *Part of Speech:** noun
- *Own:** The weight of air pressing down on an area; atmospheric pressure
- *Dictionary:** the weight of the atmosphere pressing down on Earth
- *Antonym:** unconfined
- *Synonym:** compressed
A car’s tires should always have high air pressure.
Asteroid
as·ter·oid
- *Part of Speech:** noun
- *Own:** celestial body orbiting a star between Mars and Jupiter
- *Dictionary:** a chunk of rock or iron less than 1,000km (621 miles) in diameter that orbits the sun
- *Antonym:**
- *Synonym:** planetoid; starlike
In Science, I found out that in Mars and Jupiter, a lot of asteroids are orbiting the sun.
Astronomer
as·tron·o·mer
- *Part of Speech:** noun
- *Own:** a scientific observer of the celestial bodies; an expert in astronomy
- *Dictionary:** one who studies the stars and planets and their movement
- *Antonym:**
- *Synonym:** stargazer; uranologist
I read about the astronomer Galileo Galilei in Science today.
Atmosphere
at·mos·phere
- *Part of Speech:** noun
- *Own:** The layer of air that surrounds Earth
- *Dictionary:** the mixture of gases that surround a planet
- *Antonym:**
- *Synonym:** air; pressure
The astronauts must have had a challenge with getting through the atmosphere.
Audible
au·di·ble
- *Part of Speech:** adjective
- *Own:** loud enough to be heard; able to be heard
- *Dictionary:** capable of being heard
- *Antonym:** inaudible
- *Synonym:** aural; resounding; roaring
My brother’s voice was audible from my room.
Balanced Force
bal·anced force
- *Part of Speech:** noun
- *Own:** forces that are equal in all except direction; even
- *Dictionary:** forces that cancel each other out because they are equal in size
- *Antonym:** disproportioned; unbalanced force
- *Synonym:** equilibrium; equated
While it’s hard to comprehend, 100 pounds of feathers and 100 of bricks are balanced forces.
Bladder
blad·der
Part of Speech: noun
Own: organ that holds urine
Dictionary: organ in the excretory system that stores and releases urine
Antonym:
Synonym:
My uncle has sugery on his bladder two years ago.
Carnivore
car·ni·vore
- *Part of Speech:** noun
- *Own:** an animal that eats other animals
- *Dictionary:** An animal that feeds chiefly on the flesh of other animals.
- *Antonym:** herbivore
- *Synonym:** hunter; killer; meat-eater; predator
Many humans are not carnivores, but many definitely love their meat.
Chemical Change
- a change in one or more substances, caused by a reaction, that forms new and different substances
Circulatory System
cir·cu·la·to·ry sys·tem
- *Part of Speech:** noun
- *Own:** a system of organs and tissues involved in circulating blood and lynphs through the body
- *Dictionary:** the system of organs and tissues, including the heart, blood, blood vessels, lymph, lymphatic vessels, and lymph glands, involved in circulating blood and lymph through the body.
- *Antonym:**
- *Synonym:**
The Circulatory System controls blood and lymphs
Climate
cli·mate
- *Part of Speech:** noun
- *Own:** The average of all weather conditions through all seasons over a period of time; weather of region
- *Dictionary:** the pattern of weather an area experiences over a long period of time
- *Antonym:**
- *Synonym:** conditions; temperature
The climate in Antarctica is the coldest in the world.
Comet
com·et
- *Part of Speech:** noun
- *Own:** a celestial body moving about the sun
- *Dictionary:** a chunk of frozen gases, rock, ice, and dust orbiting the sun
- *Antonym:**
- *Synonym:** meteor; fireball
I have never actually seen a comet, because I always miss them.
Compound
- a substance made of two or more different atoms that have combined chemically
- a substance formed by at least two types of atoms that are chemically combined
Condensation
con·den·sa·tion
- *Part of Speech:** noun
- *Own:** The process by which a gas changes back into a liquid
- *Dictionary:** the process by which a gas changes into a liquid
- *Antonym:** unabridgment
- *Synonym:** abstract; reduction; boildown
The vent cooled all the steam, which caused a lot of air to go through condensation.
Conduction
- heat transfer between two objects that touch
Conservation
con·ser·va·tion
- *Part of Speech:** noun
- *Own:** the preservation from injury and decaying
- *Dictionary:** the preserving and protecting of an ecosystem or a resource
- *Antonym:** destruction; neglect; waste
- *Synonym:** care; keeping; salvation
Fossils are kept under conservation in museums.
Constant Variable
- a variable in an experiment that does not change, no matter what
- it is held constant at all times throughout the experiment
Constellation
con·stel·la·tion
- *Part of Speech:** noun
- *Own:** the grouping of various stars
- *Dictionary:** a group of stars
- *Antonym:**
- *Synonym:** gathering; company
I like trying to find constellations at night.
Consumer
con·sum·er
- *Part of Speech:** noun
- *Own: **person who buys merchandise, services
- *Dictionary:** a person who buys or uses goods or services
- *Antonym:** marketer; merchandiser
- *Synonym:** buyer; purchaserI wish I was producer so I would never be hungry, but I am stuck being a consumer.
Control
- the experiment setup to which you will compare all the other setups
Convection
- transfer of thermal energy by movement of a liquid or gas
Decomposer
de·com·pos·er
Part of Speech: noun
Own: consumers that break down the tissues of dead organisms
**Dictionary: **an organism, usually a bacterium or fungus, that breaks down the cells of dead plants and animals into simpler substances.
Antonym:
Synonym:
Worms are the most common decomposers.
Density
- is found by dividing the mass of an object by its volume
- mass per unit of volume in a substance
Digestive System
di·ges·tive sys·tem
- *Part of Speech:** noun
- *Own:** the system by which ingested food is acted upon to privde the body with nutrients and excrete waste products
- *Dictionary:** the system by which ingested food is acted upon by physical and chemical means to provide the body with absorbable nutrients and to excrete waste products
- *Antonym:**
- *Synonym:**
The Digestive System is what makes you use the restroom.
Dissolve
- when something breaks up into particles so tiny they can’t be seen even with a microscope
- when something is mixed into something else and disappears
- a substance mixed into something (liquid) to make a solution
Ecosystem
ec·o·sys·tem
- *Part of Speech:** noun
- *Own:** Earth’s system of natural resources and living things
- *Dictionary:** a community of organisms and the environment in which they live
- *Antonym:**
- *Synonym:** ecological; environment
Humans made a major impact on the ecosystem.
Element
- matter that is made of only one kind of atom
Elliptical
el·lip·ti·cal
- *Part of Speech:** adjective
- *Own:** shaped like an oval
- *Dictionary:** shaped like a ellipse
- *Antonym:**
- *Synonym:** egg-shaped; oblong
Since I can’t draw a perfect circle, I always make an elliptical shape.
Evaporation
e·vap·o·ra·tion
- *Part of Speech:** noun
- *Own:** The process by which a liquid changes into a gas
- *Dictionary:** the process by which a liquid changes into a gas
- *Antonym:** dampening; soaking
- *Synonym:** dissipation; vaporization
When something dries, it is because the water on it went trhough evaporation.
Exoskeleton
ex·o·skel·e·ton
- *Part of Speech:** noun
- *Own:** an hard outer cover that protects the body
- *Dictionary:** a hard outer covering, found in many types of animals, that supports and protects the body
- *Antonym:**
- *Synonym:**
Roaches have exoskeletons.
Extinction
ex·tinc·tion
- *Part of Speech:** noun
- *Own:** dying out to the point of disappearing
- *Dictionary:** the death of all the organisms of a certain kind of living thing.
- *Antonym:** conserve; preserve
- *Synonym**: death; elimination
Dinosaurs went through extinction long ago.
Food Chain
Food Chain
Part of Speech: noun
Own: the ways in which the organisms in an ecosystem interact with one another according to what they eat
Dictionary: a sequence of organisms in an ecosystem in which each species is the food of the next member of the chain
Antonym:
Synonym: food cycle; food web
Lions are at the top of the food chain.
Friction
fric·tion
- *Part of Speech:** noun
- *Own:** a rubbing or discord caused by difference
- *Dictionary:** a force that acts between two touching objects and that opposes motion
- *Antonym:** NONE
- *Synonym:** irritation; erosion
The friction between the magnifying glass and the grass created fire.
fulcrum
ful·crum
- *Part of Speech:** noun
- *Own:** the point on which a lever rest
- *Dictionary:** the fixed point on a lever
- *Antonym:**
- *Synonym:**
The easiest way to see a fulcrum is by looking at an unused see-saw.
full moon
full moon
- *Part of Speech:** noun
- *Own:** when the whole moon is being shown
- *Dictionary:** the moon when the whole of its disk is illuminated, occuring when in opposition, to the sun.
- *Antonym:**
- *Synonym:**
Last month, I missed the full moon because I fell asleep.
Galaxy
gal·ax·y
- *Part of Speech:** noun
- *Own:** a large system of stars
- *Dictionary:** a group of billions of stars, objects that orbit those stars, gas, and dust
- *Antonym:**
- *Synonym:** nebula; star cluster
The galaxy we live in is the Milky Way.
Gravity
grav·i·ty
- *Part of Speech:** noun
- *Own:** the attraction between celestial bodies; forces of attraction
- *Dictionary:** the force of attraction between two objects, such as the attraction between Earth and objects on it.
- *Antonym:** weightedness
- *Synonym:** heaviness; weight
The gravity chamber at NASA was incredible.
Habitat
hab·i·tat
- *Part of Speech:** noun
- *Own:** a place in an ecosystem where a population lives
- *Dictionary:** the place where an organism lives and can find everything it needs to survive
- *Antonym:** unnatural surroundings
- *Synonym:** residence; environment; surroundings
A whale’s habitat is the ocean.
Hazardous
haz·ard·ous
- *Part of Speech:** adjective
- *Own:** dangerous; unsecure
- *Dictionary:** full of risk; perilous
- *Antonym:** safe; secure
- *Synonym:** dangerous; unsafe
Jumping out of a plane is very hazardous, especially with no parachute.
Herbivore
her·bi·vore
Part of Speech: noun
Own: an animal that eats plants
Dictionary: plant-eater
Antonym:
Synonym: fruitarian; vegan
I am not a herbivore since I had steak for dinner last night.
Humidity
hu·mid·i·ty
- *Part of Speech:** noun
- *Own:** A measure of the amount of water in the air; very damp weather
- *Dictionary:** the amount of water vapor in the air
- *Antonym:** aridity; dryness
- *Synonym:** moisture; dampness
Florida always has high humidity.
inclined plane
in·clined plane
- *Part of Speech:** verb
- *Own:** lean or slope; less than a right angle
- *Dictionary:** A flat, sloping surface
- *Antonym:** flat; straight
- *Synonym:** ramp; slant; tilt
A playground slide is an inclined plane.
Inertia
in·er·tia
- *Part of Speech:** noun
- *Own:** unwillingness to move; stillness
- *Dictionary:** The property of matter that keeps it moving in a straight line or keeps it at rest
- *Antonym:** activity; moving
- *Synonym:** laziness; inactivity
You have to fight inertia if your car is in neutral.
Inherited
in·her·it·ed
Part of Speech: noun / adjective
Own: hereditary
Dictionary: a characteristic that passed from parent to offspring
Antonym:
Synonym: genetic; rooted
I inherited $5,000,000,000 from a lost relative.
Instinct
in·stinct
- *Part of Speech:** noun
- *Own:** a behavior that an organism inherits
- *Dictionary:** a behavior that an organism inherits and knows how to do without being taught
- *Antonym:** knowledge; urge
- *Synonym:** intuition; sense; feeling
I have a lot of faith in my instincts.
Kidney
kid·ney
- *Part of Speech:** noun
- *Own:** either of the two organs that remove waste products from the blood
- *Dictionary:** organs in the human excretory system that removes waste materials from the blood
- *Antonym:**
- *Synonym:**
My mom used to suffer from kidney infections all childhood life.
Liver
liv·er
- *Part of Speech:** noun
- *Own:** an organ of the body that processes food and cleans the blood
- *Dictionary:** a large organ that makes a digestive juice called bile
- *Antonym:**
- *Synonym:**
The liver helps my body keep a perfect digestive state.
Lunar Eclipse
lu·nar e·clipse
Part of Speech: noun
Own:
Dictionary: the Moon passes through some portion of the Earth’s shadow. The Sun, Earth and Moon are aligned and the Earth is in the middle.
Antonym: solar eclipse
Synonym:
I got to witness a lunar eclipse last year.
Manipulated Variable
- any condition that can be changed in an experiment
Mass
- the amount of matter in something
Mixture
- a combination of two or more different substances in which the substances keep their identities\
- two substances physically combined and easy to separate
Momentum
mo·men·tum
- *Part of Speech**: noun
- *Own:** force of speed of movement
- *Dictionary:** A measure of how hard it is to slow down or stop an object
- *Antonym:**
- *Synonym:** force; drive; thrust
The momentum at which he was running would have made a cheetah jealous.
Moon Phases
Moon Phas·es
- *Part of Speech:** noun
- *Own:** the stages of the Moon
- *Dictionary:** a stage in the changing shape the Moon seems to have when it is viewed from Earth
- *Antonym:**
- *Synonym:**
I did a project which made me see all the Moon phases.
Nervous System
nerv·ous sys·tem
- *Part of Speech:** noun
- *Own:** The system of cells, tissues, and organs that regulates the body’s responses to internal and external stimuli.
- *Dictionary**: the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia.
- *Antonym:** None
- *Synonym:** central nervous system
My nervous system was stimulated and I was very hyper.
New moon
New moon
- *Part of Speech:** noun
- *Own:** when no moon or only an adge can be seen
- *Dictionary:** the moon either when in conjunction with the sun or soon after
- *Antonym:**
- *Synonym:**
I learned that there is a New Moon exvery 28 days.
Omnivore
om·ni·vore
Part of Speech: noun
Own: an animal that eats both plants and other animals
Dictionary: an animal whose normal diet includes both plants and animals.
Antonym:
Synonym: predator; hunter
Most humans are omnivores.
Orbit
or·bit
- *Part of Speech:** noun / verb
- *Own:** noun - an orb or sphere / verb - to move around in an elliptical path
- *Dictionary:** the path an object follows as it revolves around another object
- *Antonym:**
- *Synonym:** rotation; path; track
Earth is one of eight planets that orbit the Sun.
Organs
or·gans
- *Part of Speech:** noun
- *Own:** tissues that work together to perform a specific function
- *Dictionary:** a body part that is made of smaller parts that work together to do a certain job
- *Antonym:** part
- *Synonym:** none
The heart is one of our many organs.
Pancreas
pan·cre·as
- *Part of Speech:** noun
- *Own:** a gland that secretes digestive fluids and insulin
- *Dictionary:** a gland, situated near the stomach, that secretes a digestive fluid into the intestine through one or more ducts and also secretes the hormone insulin.
- *Antonym:**
- *Synonym:**
Diabetes causes weakening in the Pancreas.
Parallel Circuit
Par·al·lel Cir·cuit
- *Part of Speech:** noun
- *Own:** consisting of or having component parts connected in the same direction
- *Dictionary:** an electric circuit that has more than one path for the electric charges to follow
- *Antonym:** Series Circuit
- *Synonym:**
The lights in my backyard run on a parallel circuit.
Photosynthesis
pho·to·syn·the·sis
Part of Speech: noun
Own:how plants get food
Dictionary: the process by which plants make food
Antonym:
Synonym:
THe roots are the first part of photosynthesis.
Physical Change
- a change in which the form or shape of a substance changes but the substance still has the same chemical makeup
Pollution
pol·lu·tion
- *Part of Speech:** noun
- *Own:** contamination of harmful substances in the environment
- *Dictionary:** a waste product that harms living things and damages an ecosystem
- *Antonym:** cleanliness; purification
- *Synonym:** deterioration; infection
Cars produce a lot of pollution.
Precipitation
pre·cip·i·ta·tion
- *Part of Speech:** noun
- *Own:** any form of water that falls from clouds; such as rain or snow
- *Dictionary:** water that falls from the air to Earth’s surface
- *Antonym:** dryness
- *Synonym:** condensation; rain
There is so much precipitation in Florida, that floods are mostly ignored as a common thing.
Primary Source
- original materials/information that have not been filtered through interpretation or evaluation by a second party
- when someone or something states facts, opinions or observations that they have or have seen themselves
- a source that was recorded when the event happened
Producer
pro·duc·er
Part of Speech: noun
Own: organisms that make their own food
Dictionary: a person who creates economic value, or produces goods and services
Antonym:
Synonym: assembler; fabricator; inventor
Plants are producers since they make their own food.
Properties
- they are the characteristics used to describe or identify something
pulley
pul·ley
- *Part of Speech:** noun
- *Own:** a wheel with a grooved rim for carrying a line
- *Dictionary:** a wheel that has a groove along its edge
- *Antonym:**
- *Synonym:**
A well is used by lowering a bucket with a pulley, then raising it.
Radiation
- transfer of energy in the form of waves
- transfer of thermal energy by electromagnetic waves
Remnant
rem·nant
- *Part of Speech:** noun
- *Own:** a fragment or scrap; leftover part
- *Dictionary:** a part or piece left over from something
- *Antonym:** whole
- *Synonym:** excess; fragment; piece
My grandma keeps a lot of remnants of fabric from when she used to sew.
Replicate
- to allow scientist to duplicate an experiment with the same conditions to test whether the same results occur
Reproductive System
re·pro·duc·tive sys·tem
- *Part of Speech:** noun
- *Own:** the organ system that allows us to reproduce
- *Dictionary:** the system of organs involved with animal reproduction
- *Antonym:**
- *Synonym:**
A female Reproductive System allows them to have babies.
Respiration
res·pi·ra·tion
Part of Speech: noun
Own: the process that gives us energy
Dictionary: the process that releases energy from food
Antonym:
Synonym: breathing
Humans perform respiration through their noses and lungs.
Respiratory System
res·pi·ra·to·ry sys·tem
- *Part of Speech:** noun
- *Own:** the breathing system
- *Dictionary:** the system by which oxygen is taken into the body and an exchange of oxygen and carbon dioxide takes place
- *Antonym:**
- *Synonym:**
When I get the flu, my Respiratory System is affected.
Responding Variable
- the result of a change in the maniputed variable
- a value of measure, that came from the manipulated and controlled variables
- the one variable that changes as a result of altering the manipulating variables
- similar to the results
Runoff
run·off
- *Part of Speech:** noun
- *Own:** precipitation water drained by streams and rivers
- *Dictionary:** water that does not soak into the ground and that flows across Earth’s surface
- *Antonym:** NONE
- *Synonym:** NONE
Even though it rains a lot in Florida, there is not much run-off, as it is very flat in the Sunshine State.
Scavenger
scav·en·ger
Part of Speech: noun
Own: an animal or other organism that feeds on dead organic matter.
Dictionary: an animal that eats the remains of animals that have died
Antonym:
Synonym: hunter; scrounger
Scavengers are not decomposers.
screw
screw
- *Part of Speech**: verb
- *Own:** a threaded cylinder pin or rod
- *Dictionary:** an inclined plane wrapped around a cylinder or cone
- *Antonym:** untwist
- *Synonym:** spiral; wind
Some toys require you to take out the screws before opening.
Secondary Source
- sources that contain commentary on or a discussion about a primary source
- where an author cites another persons facts or opinions
- source based on other sources for example; a book about the event or a biography written by person A about person B
Series Circuit
Se·ries Cir·cuit
- *Part of Speech:** noun
- *Own:** a circuit having its parts connected in order
- *Dictionary:** an electric circuit in which the electric charges have only one path to follow
- *Antonym:** Parallel Circuit
- *Synonym:** NONE
The entire school’s cafeteria runs on a series circuit.
Solar Eclipse
so·lar e·clipse
- *Part of Speech:** noun
- *Own:**
- *Dictionary:** the Moon passes between the Sun and the Earth so that the Sun is wholly or partially obscured. This can only happen during a new moon.
- *Antonym:** lunar eclipse
- *Synonym:**
I missed the Solar Eclipse last year because I fell asleep.
Solar System
so·lar sys·tem
- *Part of Speech:** noun
- *Own:** the sun together with all the planets and other bodies that revolve around it
- *Dictionary:** a star and all the planets and other objects that revolve around it
- *Antonym:**
- *Synonym:** planetary system
There are eight planets in the Solar System, but Pluto used to be the ninth.
Solute
- the substance dissolved in a given solution
Solution
- a mixture that has the same composition throughout because all the parts are mixed evenly
- a mixture that has the same composition throughout
- a type of mixture where one substance can be dissolved by another
Solvent
- a liquid used to dissolve a substance
- a substance that dissolves another to form a solution
Spring Scale
- a tool used to measure force.
- force is a push or a pull
Systems
sys·tems
- *Part of Speech:** noun
- *Own:** Organs that work together to perform a particular function
- *Dictionary:** a group of organs that work together to do one type of job
- *Antonym:** part
- *Synonym:** whole, organization
I got a stomach virus with the flu that caused my digestive and respiratory systems to become upset.
Technology
- the use of scientific knowledge to solve practical problems, especially in industry and commerce
- anything that uses information from the field of science and math to solve problems
Transpiration
tran·spi·ra·tion
Part of Speech: noun
Own: when plants give off water
Dictionary: the process in which plants give off water through their stomata
Antonym:
Synonym:
The idea of transpiration is very confusing to my brother.
Unbalanced Force
un·bal·anced force
- *Part of Speech:** noun
- *Own: f**orces that are unequal and are on an object; not even
- *Dictionary:** forces that cause a change in motion because they act on an object and don’t cancel each other out
- *Antonym:** balanced force; sound
- *Synonym:** irregular; unstable
The ocean waves cause an unbalnced force which makes floating objects sway in their direction.
Universe
u·ni·verse
- *Part of Speech:** noun
- *Own:** everything that exists - planets, stars, dust, gases, and energy
- *Dictionary:** everything that exists, including galaxies and everything in them
- *Antonym:** locality
- *Synonym:** cosmos; world
My brother’s dream is to explore the universe.
Velocity
ve·loc·i·ty
- *Part of Speech:** noun
- *Own:** speed of motion or action; swiftness
- *Dictionary:** An object’s speed in a particular direction
- *Antonym:**
- *Synonym:** acceleration; rapidness
He drove at such a high velocity, the car flipped over.
Volume
- the amount of space a solid, liquid or gas takes up
- the amount of space something takes up
Waning Moon
Wan-ing Moon
- *Part of Speech:** noun
- *Own:** gradually decrease in strength or size
- *Dictionary:** moon shows a bright area that becomes gradually smaller after being full
- *Antonym:** waxing
- *Synonym:** declination; diminution
All though a good player, Kobe Bryant’s skills have been waning for years.
Waxing Moon
wax·ing moon
- *Part of Speech:** noun
- *Own:** increase in size or strength
- *Dictionary:** moon shows a bright area that becomes gradually larger
- *Antonym:** shrinking; waning
- *Synonym:** developing; magnifying
In old times, letters were sealed by waxing.
Weather
weath·er
- *Part of Speech:** noun
- *Own:** The happenings in the atmosphere at a certain time; atmospheric conditions
- *Dictionary:** what is happening in the atmosphere at a certain place and time
- *Antonym:**
- *Synonym:** clime; elements
The weather in the Amazon Rainforest must be very disastrous.
wedge
wedge
- *Part of Speech**: noun
- *Own:** something that serves to part or split
- *Dictionary:** a simple machine composed of one or two inclined planes
- *Antonym:** whole
- *Synonym:** shim; prung
Many people use a wedge as a dor-stopper.
wheel and axle
wheel and ax·le
- *Part of Speech:** noun
- *Own:** a machine which has a wheel that moves on a central part
- *Dictionary: a** simple machine that has a central pivot around which a wheel moves
- *Antonym:**
- *Synonym:**
A Jack-in-the-box is controlled by a wheel and axle.
