Science Vocabulary (Compilation) Flashcards

Question

Digestive System

Answer 1

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.

Answer 2

- 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***

Answer 3

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_**.

Answer 4

- matter that is made of only one kind of atom

Answer 5

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.

Answer 6

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_**.

Answer 7

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_**.

Answer 8

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.

Answer 9

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_**.

Answer 10

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.

Answer 11

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.

Answer 12

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.

Answer 13

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.

Answer 14

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.

Answer 15

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.

Answer 16

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.

Answer 17

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.

Answer 18

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_**.

Answer 19

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_**.

Answer 20

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.

Answer 21

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.

Answer 22

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_**.

Answer 23

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.

Answer 24

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.

Answer 25

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.

Answer 26

- any condition that can be changed in an experiment

Answer 27

- the amount of matter in something

Answer 28

- a combination of two or more different substances in which the substances keep their identities\ ***- two substances physically combined and easy to separate***

Answer 29

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.

Answer 30

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_**.

Answer 31

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.

Answer 32

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.

Answer 33

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_**.

Answer 34

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.

Answer 35

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_**.

Answer 36

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_**.

Answer 37

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_**.

Answer 38

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_**.

Answer 39

- a change in which the form or shape of a substance changes but the substance still has the same chemical makeup

Answer 40

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_**.

Answer 41

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.

Answer 42

- 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

Answer 43

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.

Answer 44

- they are the characteristics used to describe or identify something

Answer 45

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.

Answer 46

- transfer of energy in the form of waves - transfer of thermal energy by electromagnetic waves

Answer 47

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.

Answer 48

- to allow scientist to duplicate an experiment with the same conditions to test whether the same results occur

Answer 49

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.

Answer 50

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.

Answer 51

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.

Answer 52

- 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***

Answer 53

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.

Answer 54

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.

Answer 55

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.

Answer 56

- 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

Answer 57

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_**.

Answer 58

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.

Answer 59

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.

Answer 60

- the substance dissolved in a given solution

Answer 61

- 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***

Answer 62

- a liquid used to dissolve a substance - a substance that dissolves another to form a solution

Answer 63

- a tool used to measure force. - force is a push or a pull

Answer 64

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.

Answer 65

- 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

Answer 66

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.

Answer 67

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.

Answer 68

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_**.

Answer 69

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.

Answer 70

- the amount of space a solid, liquid or gas takes up - the amount of space something takes up

Answer 71

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.

Answer 72

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_**.

Answer 73

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.

Answer 74

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.

Answer 75

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_**.