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KD-Sci vocab 4 Gr6 *

review of science glossary (size 10)

the 2 glands located on top of each kidney; also called "emergency glands" adrenal glands
depressant that has anesthetic effect on the nervous system alcohol
are building blocks of matter, the smallest particle of an element atom
refers to the total number of protons and neutrons in the nucleus of an atom atomic mass
a pair of stars that exist together; they appear as one star when seen from earth binary stars
is the property of a material to be easily broken into pieces brittleness
is heating the food and sealing it in a sterile airtight container canning
the basic structural and functional unit of all living things cell
an outward force that pulls an object away from the center of rotation centrifugal force
an inward force that keeps an object moving in a circle centripetal force
the part of the brain which controls all voluntary muscular movements cerebellum
the part of the brain which controls all conscious and thinking activities cerebrum
is an attractive force that holds atoms and ions together chemical bond
is the energy stored in matter due to the arrangement of atoms in the molecules of substances chemical energy
is adding chemicals to food to enhance flavor, provide color, improve nutrition, protect food against microorganisms and oxygen and to adjust acidity or tartness chemical preservation
is the branch of science that studies matter, its composition and the changes it undergoes under different conditions chemistry
the flow of nutritive fluids, gases waste materials and water in the body circulation
the clashing of 2 bodies in a certain place or space collision
a material composed of two or more elements that are chemical combined in definite proportions compound
is the movement of energy from a source to an object by direct contact between them conduction
groups of stars that form patterns constellations
the crusts on which the continents are located continental plates
is the transfer of heat energy when a large mass of liquid or gas with a different temperature moves from one place to another. convection
the innermost part of the earth, believed to be consisting of molten iron. core
is sharing electrons between two atoms covalent bond
the outer layer of the earth on which man lives; it varies in depth. crust
organisms that decompose matter decomposers
is the amount of matter in a given volume of an objects density
is used in getting the volume of irregularly shaped objects by immersing it in water and the amount of water that overflows is measured displacement method
is the ability of a material to be drawn into a fine wire without breaking ductility
the study of the interactions of living organisms with their environment ecology
is the ability of a material to return to its original shape and size after it has been stretched, twisted or compressed elasticity
is produced by the movement of electrons electrical energy
are the basic kinds of matter; they are substances that cannot be broken up into simpler form by ordinary chemical methods. elements
ductless glands that discharge their secretions directly into the bloodstream endocrine glands
is the capacity to do work energy
the red corpuscles or red blood cells erythrocytes
the minimum speed a spacecraft much reach to overcome the pull of gravity escape velocity
a systematic way of obtaining information to confirm a hypothesis experimentation
a prediction beyond the range of observable data extrapolation
are the characteristics of a substance which describes its outside appearance extrinsic properties
the union of the ovum and the sperm fertilization
is the ability of matter to be rolled or bent without breaking flexibility
the repeated transfer of chemical energy in food through a series of organisms by eating and being eaten food chain
the repeated process of using food substances by living organisms food cycle
a schematic or quantitative representation of a food chain with the food producers forming at the base and top consumers at the apex food pyramid
an overlapping system of food dependency food web
a cluster of stars, constellations and nebulae galaxy
is the resistance of a material from being scratched easily hardness
results from the rapid movement of molecules in matter heat energy
they are the internal secretions produced by the endocrine glands hormones
produces electricity by waterpower hydroelectric power
means that things cannot be on the same spot at the same time impenetrability
is the tendency of matter not to move unless it is moved by some outside force; also the tendency of matter to keep moving until stopped by an outside force. inertia
the space between planets interplanetary space
a prediction within the range of given data interpolation
are permanent characteristics of a substance which are inherent in the material itself. intrinsic properties
electrons are transferred from atom to atom ionic bonds
is the energy possessed by moving objects kinetic energy
the white corpuscles or white blood cells leucocytes
the distance traveled by light in one year; = to 9.46 km light year
is the ability of materials to be hammered or pounded into tin sheets or beaten into various shapes without breaking malleability
the layer which surrounds the core of the earth; made up of a thick layer of rocks mantle
is the amount of matter in an object which is measured in grams or kilograms mass
is anything that occupies space and has mass and weight matter
is energy shown in moving objects which when applied to another object will cause it to move mechanical energy
the part of the brain which controls the involuntary muscles of the heart, intestines, stomach, diaphragm, etc. medulla oblongata
is the sharing of electrons of many atoms metallic bond
a combination of 2 or more materials physically combined and can be separated by ordinary means mixtures
are the units that contain 2 or more atoms, which are constantly moving molecules
highly dangerous drugs that affect the mind; often addictive and in large doses can cause stupor, coma or death narcotics
a process where nitrogen gas from the atmosphere is fixed in the soil or roots of leguminous plants as nitrogen compounds for plants to use nitrogen-fixation
energy resources that cannot be replaced quickly once they are used up non-renewable
is energy released from the nucleus of an atom nuclear energy
produces nuclear energy by splitting the nuclei of heavy atoms into fragments nuclear fission
produces nuclear energy by combining the nuclei of light elements to form heavier and more stable nuclei nuclear fusion
the gland that has a special group of cells, the islet of Langerhans, which secretes the hormone insulin. pancreas
hormone secreted by the gland pancreas, which enables the liver to store sugar as glycogen and oxidize sugar efficiently insulin
the gland that secretes a hormone which controls the metabolism of calcium and phosphorus parathyroid gland
is the process of killing bacteria by heating food at 60º-66ºC for 30-40 minutes and cooking it immediately Pasteurization
is a chart, which shows the many facts about elements and their atoms periodic table
the liquid part of the blood plasma
synthetics that can be pressed, melted or molded into any desired shape plastics
is the ability to absorb or hold much water or liquid porosity
is stored energy potential energy
foretelling the probable outcome or result predicting
plants that provide food for the community producers
states that the universe expanded from a ball of matter pulsating theory
comes in the form of light, infrared and ultraviolet rays, x-ray, radio waves and cosmic rays radiant energy
is the transfer of energy through waves radiation
is the simplest nervous reaction reflex action
is keeping food at low temperature where microorganisms become less active refrigeration
is the property of materials to be dissolved in liquid solubility
is the material being dissolved solute
is the dissolving medium solvent
is produced by vibrating objects sound energy
the region beyond the Earth's atmosphere space
an unmanned device sent out to explore space space probe
a reusable space vehicle which takes off like a rocket and lands like an airplane space shuttle
an orbiting spacecraft designed to be occupied by teams of astronauts and cosmonauts over long periods. space station
the measure of how fast an object moves speed
a huge shining ball in space that produces a tremendous amount of light and energy star
states that the universe had a beginning and it will have no end steady-state theory
an exploding star supernova
elements which are created in laboratories because they are not found in nature synthetic elements
are artificially prepared materials by putting together new compounds synthetics
are heated until they are soft then molded and cooled thermoplastic plastics
are placed in molds where heat and pressure are applied until the plastic set hardens thermosetting plastics
the gland that produces the hormone thyroxin which regulate the rate of metabolism thyroid gland
the measure of how fast an object moves towards a particular direction velocity
is the amount of space that an object occupies which is expressed in cubic units volume
is the pull of gravity on an object which is expressed in Newton or dyne weight
the change in velocity during a given period of time acceleration
type of precipitation like rain or snow; contains compounds that result from the reaction of oxides of sulfur, nitrogen and carbon with water acid rain
a volcano that has shown frequent eruptions with recent history active volcano
the mixture of gases that surrounds the earth air
the force that air exerts on a surface air pressure
a weather instrument that indicates wind speed anemometer
a living thing that cannot manufacture its own food; depends on plants for food animal
the brightness of a star that depends on its distance from the observer apparent brightness
a blood vessel that carries blood away from the heart artery
a rock layer in the lithosphere that may be characterized as weak, soft, and plastic-like asthenosphere
the belief that heavenly bodies have a great influence on human lives astrology
the air part of the earth atmosphere
the smallest particle of an element atom
the slender extension of a neuron that carries nerve impulses away from a cell body axon
forces that do not cause a change in an object's state of motion; the net force that acts on the object is zero balanced forces
a weather instrument that measures air pressure barometer
the ability of a material to be broken down into simpler forms by the action of microorganisms biodegradability
the living part of the earth; made up of plants and animals biosphere
the ratio of the number of births to the total population in a specified community during a given period of time birthrate
a cold, dark star that results when a white dwarf has totally lost its energy black dwarf
the pressure exerted by the blood upon the walls of blood vessels and especially the arteries. blood pressure
the air part of the earth atmosphere
the smallest particle of an element atom
the slender extension of a neuron that carries nerve impulses away from a cell body axon
forces that do not cause a change in an object's state of motion; the net force that acts on the object is zero balanced forces
a weather instrument that measures air pressure barometer
the ability of a material to be broken down into simpler forms by the action of microorganisms biodegradability
the living part of the earth; made up of plants and animals biosphere
the ratio of the number of births to the total population in a specified community during a given period of time birthrate
a cold, dark star that results when a white dwarf has totally lost its energy black dwarf
the pressure exerted by the blood upon the walls of blood vessels and especially the arteries. blood pressure
the circular depression formed whether by explosion or collapse of a volcano caldera
a tiny blood vessel in tissues and organs that makes exchange of nutrients and gases between the blood and tissues possible capillary
an animal that feeds on the meat of other animals carnivore
the number of organisms that the resources of an ecosystem can support carrying capacity
part of the nervous system that consists of the brain and the spinal cord central nervous system
the outward force exerted on a body in circular motion centrifugal force
the inward force exerted on a body in circular motion centripetal force
second largest part of the brain; refines and coordinates muscular movements cerebellum
largest and most complex structure of the brain cerebrum
the form of potential energy found in fuels, batteries and food chemical energy
a volcano made of loose rock fragments given off from the central vent forming a slope of about 30º cinder cone
the movement of a body along a circular path circular motion
one of the geographic belts that encircles the Pacific Ocean and includes the west coasts of North and South America, Japan and the Philippines circum-Pacific belt
the average weather condition of a place over a long period of time. climate
the relationship of cooperation in which one organism is helped while the other organism is neither helped nor harmed commensalism
groups of plants and animals living together community
the transfer of heat energy by direct contact between the particles of solid materials conduction
a material through which heat or electricity passes readily conductor
wise use of resources to preserve or protect them conservation
a group of stars that appears to form a picture or pattern constellation
an animal that feeds on plants or other animals consumer
the method of planting across instead of up and down a slope. this method prevents soil being washed down the hill. contour plowing
the transfer of heat by the movement of liquid or gas due to a temperature difference. convection
the innermost layer of the earth made up of two sublayers core
the practice of growing different plants on the same piece of land at different times of the year. this practice helps maintain the soil's fertility. crop rotation
the soli9d outermost part of the earth; made of rocks, soil and different landforms crust
an atmospheric disturbance characterized by masses of air rapidly rotating about a low-pressure center cyclone
a construction that serves as a barrier to control water flow in a waterway dam
the ratio of the number of organisms that die to the total population in a specified community during a given period of time death rate
an organism that feeds on dead organic matter and breaks it down to simpler substances decomposer
a short, threadlike extension of the cell body of a neuron; conducts nerve impulses toward the cell body dendrite
a volcano that has not erupted during the last 500 to 5000 years. dormant volcano
the shaking or trembling of the earth's crust earthquake
a sound that is reflected from a surface echo
a group of living things interacting with one another and with the nonliving environment ecosystem
the form of energy associated with electric charges electricity
a negatively charged particle in an atom electron
force that comes from within the earth endogenic force
the capacity to do work, that is, to exert a force on an object and cause it to move through a distance energy
a diagram that shows the flow of energy in a community energy pyramid
the change of energy from one form to another energy transformation
the sum of all the living and nonliving things that surround and affect an organism environment
the point on the earth's surface directly above the focus epicenter
force that comes from outside the surface of the earth exogenic force
a volcano that has remained dormant or inactive for more than 5000 years extinct volcano
a break or fracture formed when a land plate slips or slides fault
a chemical or natural mixture added to soil to help plants grow fertilizer
the ability to be burned flammability
a substance that helps make some food tastier or more appetizing flavor enhancer
a point within the earth from which earthquake waves originate focus
an arrangement of organisms according to a feeding order food chain
interacting food chains in a community food web
a kind of fuel that comes from the remains of plants and animals that have been buried over a long period of time. fossil fuel
a material that can be burned or used to produce heat and light fuel
the process in which two or more light atoms combine to form a heavy atom and release a large amount of energy fusion
the state of matter characterized by indefinite shape and volume gas
the form of energy that originates from the interior of the earth geothermal energy
the periodic to-and-fro motion of a vibrating objects harmonic motion
the iron-containing protein found in red blood cells; transports oxygen and carbon dioxide from the lungs hemoglobin
an animal that feeds on plants herbivore
the amount of moisture in the air humidity
a cyclone with heavy rains and with winds exceeding 120 kph hurricane
the energy obtained from fast-moving water that falls from a waterfall or a high dam hydroelectric power
the water part of the earth hydrosphere
"warming effect" due to trapping of heat energy in the earth's atmosphere. greenhouse effect
a structure that makes use of geothermal energy to produce electricity geothermal plant
a rock that is formed from hardened lava igneous rock
a sublayer of the core made of solid iron and nickel inner core
material that does not conduct heat or electricity insulator
a measure of the strength of an earthquake intensity
energy associated with motion kinetic energy
mudflow or moving mass of soil containing volcanic ash; behaves like wet concrete lahar
a circle drawn around a globe; measured in degrees north or south of the equator latitude
hot molten rock that issues from a volcano or a fissure in the earth's surface lava
states that energy changes its form but is neither created nor destroyed. The total of energy in a system remains the same. law of conservation of energy
states that an object at rest tends to remain at rest and an object in motion tends to move at a constant speed in the same direction unless acted upon by an imbalanced force. law of inertia
the distance traveled by light in one year; the unit used to express distance between heavenly bodies. light year
motion in a straight line. linear motion
the state of matter characterized by an indefinite shape and a definite volume. liquid
the land part of the earth lithosphere
a measure of the total amount of light energy a star gives off luminosity
part of the circulatory system that collects and drains fluid that seeps from the blood and accumulates in the space between cells lymphatic system
hot molten rock inside the earth magma
layer of the earth below the crust; made up of solid bedrock mantle
a star that has a mass at least 50 times greater than that of the sun massive star
anything that occupies space and has mass matter
the energy that an object possesses due to its motion or movement mechanical energy
earthquake belt that runs through the Mediterranean Sea, crosses the Mideast and the Himalayas, and passes through the East Indies to meet the circum-Pacific belt north of Australia Mediterranean-Himalayan Belt
a spiral type of galaxy where the planet Earth is found Milky Way
a measure of earthquake intensity expressed in Roman numerals from I to XII modified Mercalli scale
the boundary separating the crust from the mantle; also called Moho Mohorovicic discontinuity
a wind system that influences large climatic regions and reverses direction seasonally monsoon
the change in position of an object in relation to a reference point motion
a relationship of cooperation in which two different organisms help each other mutualism
a great cloud of dust and gas in space nebula
a cell specialized to transmit impulses neuron
the neutral particle of an atom; located in the nucleus neutron
the tiny core that is left after a supernova explosion neutron star
the star above the North Pole; also known as Polaris North Star
the energy that is released from nuclear fission or fusion or from radioactive decay nuclear energy
the small, dense central part of an atom nucleus
part of food that nourishes nutrient
tectonic plates found under the ocean oceanic plates
an organism that feeds on both plants and animals omnivore
layer of the earth between the mantle and the inner core; made up of liquid iron and nickel outer core
the three-atom molecule of oxygen that forms a protective layer in the upper atmosphere ozone
nerves and fibers that connect the central nervous system with other parts of the body peripheral nervous system
a chemical used to kill insects that are harmful to crops and other plants pesticide
a living thing that can manufacture its own food plant
the theory that states that our planer is made up of slowly moving land plates plate tectonics theory
the condition of the air, land and water that threatens the health and life of organisms due to the presence of harmful substances in these parts of the earth pollution
a group of the same kind of organisms living in the same area population
energy due to the position or composition of matter potential energy
an organism that can make its own food producer
the positively charged particle of an atom; located in the nucleus proton
the nearest star to the sun Proxima Centauri
a weather instrument that measures relative humidity psychrometer
blood circuit between the heart and lungs pulmonary circulation
the transfer of energy by heat waves radiation
a fixed point used to determine if there is a change in position reference point
the movement of the earth in its elliptical orbit around the sun revolution
a numerical measurement of an earthquake's strength Richter Scale
another name for the circum-Pacific earthquake belt that encircles the Pacific Ocean Ring of Fire
motion of a body that rotates about an axis rotary motion
the movement of the earth about its tilted axis rotation
an instrument that detects an earthquake and measures its strength seismograph
a heart valve that prevents blood from flowing back into the ventricles semilunar valve
a volcano with a broad cone gently sloping between 6º to 12º shield volcano
a meteor that is vaporized by heat of friction as it enters the atmosphere shooting star
any atmospheric disturbance with strong winds at a speed of 63 to 118 kph; often accompanied by heavy rain, snow or hail storm
also known as composite volcano; made alternately of pyroclastic materials and rock from solidified lave flow stratovolcano
massive stars that have become even bigger in size supergiants
the brilliant explosion of a supergiant supernova
the space between a neuron and the next neuron in an impulse pathway synapse
the study of the earth's crust tectonics
a measure of the average kinetic energy of molecules temperature
an instrument that measures temperature thermometer
a heavy storm accompanied by lightning and thunder thunderstorm
a violently whirling column of air accompanied by a funnel-shaped thundercloud moving over a narrow path tornado
a weather disturbance known as hurricane in the United States and typhoon if it occurs in the Pacific Ocean tropical cyclone
an atmospheric disturbance that has a wind speed of less than 63 kph tropical depression
an atmospheric disturbance that has a wind speed of 63 to 118 kph tropical storm
latitude that is located 23.5º north above the equator Tropic of Cancer
latitude that is located 23.5º south below the equator Tropic of Capricorn
a huge sea wave produced by an earthquake tsunami
a severe atmospheric disturbance in the Pacific; has a wind speed greater than 118 kph typhoon
forces that cause a change in an object's state of motion; the net force that acts on the object is not equal to zero unbalanced forces
blood vessel that carries blood from the body to the heart vein
the change in displacement of a body during a period of time velocity
the process or activity by which a volcano gives off gases and other volcanic materials volcanism
a vent on the earth's crust volcano
a compound that is made up of two atoms of hydrogen and one atom of oxygen water
the condition of the atmosphere within a short period of time weather
the remnant of a red giant that has lost its outer surface white dwarf
moving air wind
a weather instrument that tells the direction of the wind wind vane
a measure of how fast or how slow the wind moves wind speed
a funnel-shaped bag with holes at both ends; used to tell the direction of the wind wind sock
Created by: karlo