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Vocabulary B

Balance scales a measuring instrument for determining the weight or mass of an object.
Balanced force A balanced force is a force that together equal zero and make no change on the objects motion
Barometer An instrument for measuring atmospheric pressure.
Barrier border, limit, obstacle, barricade
Barrier island a long, relatively narrow island running parallel to the mainland, build up by the action of waves and currents.
Basalt A hard, dense, dark volcanic rock composed chiefly of plagioclase, pyroxene, and olivine, and often having a glassy appearance.
Basin a bowl-shaped vessel
Bass the lowest part of the musical range or Any of several North American freshwater fishes of the family Centrarchidae, related to but larger than the sunfishes.
Bat nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate.
Bathysphere spherical deep diving apparatus (lowered by a cable) for underwater exploration.
Battery an electrochemical cell that can be charged electrically to provide a static potential for power or released electrical charge when needed.
Beach The shore of a body of water, especially when sandy or pebbly. The sand or pebbles on a shore.
Beak the bill or nib of a bird, consisting of a horny sheath, covering the jaws. The horny, projecting structure forming the mandibles of a bird, especially one that is strong, sharp, and useful in striking and tearing.
Beaker a flatbottomed jar made of glass or plastic … used for chemistry
Benign not dangerous to health, not recurrent or progressive
Benthos a region including the bottom of the sea and the littoral zones … the collection of organisms living on or in sea or lake bottoms
Bi two
Big bang theory the theory that the universe originated sometime between 10 billion and 20 billion years ago from the cataclysmic explosion of a small volume of matter at extremely high density and temperature
Bile A bitter, alkaline, brownish-yellow or greenish-yellow fluid that is secreted by the liver, stored in the gallbladder, and discharged into.
Bio life
Biology the study of life
Biome a major biotic community characterized by the dominant forms of plant life and the prevailing climate
Biotic of or relating to living organisms
Bird warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
Birth control Voluntary limitation or control of the number of children conceived, especially by planned use of contraceptive techniques.
Black Hole a region of space resulting from the collapse of a star
Bladder a hollow organ lined with smooth muscle.
Blindness Loss or absence of the ability to perceive visual images. The condition of a person having less than 1/10 (20/200)
Blizzard a severe winter storm condition … a violent snowstorm with winds blowing at a minimum speed of 35 miles (56 kilometers) per hour and visibility of less than one-quarter.
Blood the fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets … blood carries oxygen and other materials needed by the cells.
Blood pressure the pressure of the circulating blood against the walls of the blood vessels
Blossom the flower or flowers of a plant
Bonding the joining of two or more atoms through the sharing or exchange of electrons
Bone the dense, semirigid, porous, calcified connective tissue forming the major portion of the skeleton of most vertebrates
Bone fracture a soft tissue injury that is accompanied by a complete or incomplete break in bone
Boreal Of or relating to the north … northern. Of or concerning the north wind. Of or relating to the forest areas of the North.
Botany the science or study of plants
Bovine Of, relating to, or resembling a ruminant mammal of the genus Bos, such as an ox, cow, or
buffalo American bison, large shaggy-haired brown bison of North American plains
Bowels A part or division of the intestine … the interior of something
Brain the part of the central nervous system that includes all the higher nervous center, enclosed within the skull, continuous with the spinal cord.
Bronchial tubes Passages of airway in the respiratory tract that conducts air into the lungs
Brow the part of the face above the eyes
Bruin a conventional name for a bear used in tales following usage in the old epic ‘Reynard the Fox’
Buoyancy The tendency or capacity to remain afloat in a liquid or rise in air or gas. The upward force that a fluid exerts on an object less
Burrow A hole or tunnel dug in the ground by a small animal, such as a rabbit or mole, for habitation or refuge.
Butte a hill that rises abruptly from the surrounding region
Created by: cwear