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Mrs. Klein's 7th grade science room 168

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  1. cytoplasm
    the substance inside a cell, not including the nucleus
  2. endoplasm
    the inner portion of the gelatinous liquid inside a cell
  3. red blood cell
    a mature blood cell that contains hemoglobin to carry oxygen to the bodily tissues; a biconcave disc that has no nucleus
  4. white blood cell
    blood cells that engulf and digest bacteria and fungi
  5. platelet
    a cell fragment essential for blood clotting in vertebrates
  6. diastolic
    of or relating to a diastole or happening during a diastole
  7. bone marrow
    the fatty network of connective tissue that fills the cavities of bones
  8. yellow marrow
    bone marrow that is yellow with fat
  9. red marrow
    bone marrow of children and some adult bones that is required for the formation of red blood cells
  10. systolic
    of or relating to a systole or happening during a systole
  11. infer
    conclude by reasoning
  12. replicate
    reproduce or make an exact copy of
  13. myth
    a traditional story serving to explain a world view
  14. devise
    arrange by systematic planning and united effort
  15. skeptical
    marked by or given to doubt
  16. eukaryote
    an organism of one or more cells with membrane-bound nuclei
  17. prokaryote
    a unicellular organism lacking a membrane-bound nucleus
  18. phospholipid
    any of various compounds composed of fatty acids and phosphoric acid and a nitrogenous base; an important constituent of membranes
  19. lipid
    oily, insoluble organic compound that's a component of cells
  20. carbohydrate
    an essential component of living cells and source of energy
  21. protein
    an organic compound essential to living cells
  22. amino acid
    organic compounds containing an amino group and acid group
  23. nucleotide
    a phosphoric ester of a nucleoside
  24. nucleus
    a part of the cell responsible for growth and reproduction
  25. endoplasm
    the inner portion of the gelatinous liquid inside a cell
  26. chloroplast
    organelle in which photosynthesis takes place
  27. mitochondrion
    part of a cell involved in energy production
  28. sugar
    a white crystalline carbohydrate used as a sweetener
  29. predict
    make a guess about what will happen in the future
  30. model
    a representation of something, often on a smaller scale
  31. logic
    the branch of philosophy that analyzes inference
  32. hypothesis
    a tentative insight that is not yet verified or tested
  33. density
    the amount per unit size
  34. mass
    the property of a body that causes it to have weight
  35. vacuole
    a tiny cavity filled with fluid in the cytoplasm of a cell
  36. membrane
    a sheet of tissue that lines or connects organs or cells
  37. evaluate
    estimate the nature, quality, ability or significance of
  38. apply
    employ for a particular purpose
  39. molecule
    the simplest structural unit of an element or compound
  40. compound
    a whole formed by a union of two or more elements or parts
  41. pseudoscience
    an activity resembling science but based on fallacious assumptions
  42. atom
    the smallest component of an element
  43. cell
    the basic structural and functional unit of all organisms
  44. photosynthesis
    formation of compounds in plants aided by radiant energy
  45. cellular respiration
    the metabolic processes whereby certain organisms obtain energy from organic molecules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs
  46. breathing
    the bodily process of inhalation and exhalation
  47. glucose
    a monosaccharide sugar that has several forms
  48. identify
    recognize as being
  49. skeleton
    the structure providing a frame for the body of an animal
  50. carbon dioxide
    a colorless, odorless greenhouse gas essential for photosynthesis
  51. adenosine triphosphate
    a nucleotide derived from adenosine that occurs in muscle tissue; the major source of energy for cellular reactions
  52. deoxyribonucleic acid
    (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information
  53. phobic
    suffering from irrational fears
  54. philia
    a positive feeling of liking
  55. flex
    cause something to assume a bent or crooked shape
  56. extend
    stretch out over a distance, space, time, or scope
  57. biotic
    of or relating to living organisms
  58. biotechnology
    the use of microorganisms for industrial purposes
  59. biosphere
    the regions of the Earth where living organisms exist
  60. transport
    move something or somebody around
  61. adaptation
    the process of adjusting or conforming to new conditions
  62. ATP
    a nucleotide derived from adenosine that occurs in muscle tissue; the major source of energy for cellular reactions
  63. ADP
    an ester of adenosine that is converted to ATP for energy storage
  64. allele
    any of the forms of a gene that can occupy the same locus
  65. alveolus
    a tiny sac for holding air in the lungs
  66. antibiotic
    a substance used to kill microorganisms and cure infections
  67. antibody
    a protein that produces an immune response
  68. antiviral
    limiting or stopping the growth of infectious agents
  69. antiviral drug
    a drug that destroys infectious agents like the flu
  70. artery
    a blood vessel that carries blood from the heart to the body
  71. capillary
    a minute blood vessel connecting arterioles with venules
  72. capillary action
    a phenomenon associated with surface tension and resulting in the elevation or depression of liquids in capillaries
  73. vein
    a blood vessel that carries blood toward the heart
  74. aorta
    the large artery carrying blood from the heart to the body
  75. atrium
    a chamber connected to other chambers or passageways
  76. ventricle
    a chamber of the heart that receives blood from an atrium
  77. asexual reproduction
    reproduction without the fusion of gametes
  78. asexual
    not having or involving sex
  79. atom
    the smallest component of an element
  80. axon
    long nerve fiber that conducts impulses away from a cell
  81. B cell
    a lymphocyte derived from bone marrow that provides humoral immunity; it recognizes free antigen molecules in solution and matures into plasma cells that secrete immunoglobulin (antibodies) that inactivate the antigens
  82. T cell
    a small lymphocyte developed in the thymus
  83. bacteria
    single-celled organisms that can cause disease
  84. bacteriophage
    a virus that is parasitic (reproduces itself) in bacteria
  85. bacteriology
    the study of certain single-celled microorganisms
  86. biotechnology
    the use of microorganisms for industrial purposes
  87. biology
    the science that studies living organisms
  88. biotic
    of or relating to living organisms
  89. blood
    the fluid that is pumped through the body by the heart
  90. brain
    the organ that is the center of the nervous system
  91. bronchitis
    inflammation of the membranes lining the bronchial tubes
  92. bronchus
    either of the two main branches of the trachea
  93. bronchial tube
    either of the two main branches of the trachea
  94. carbohydrate
    an essential component of living cells and source of energy
  95. carbon dioxide
    a colorless, odorless greenhouse gas essential for photosynthesis
  96. carbon
    an abundant nonmetallic element in all organic compounds
  97. carbon cycle
    the organic circulation of carbon from the atmosphere into organisms and back again
  98. cardiovascular
    of or pertaining to or involving the heart and blood vessels
  99. cardiology
    the branch of medicine dealing with the heart and its diseases
  100. carnivore
    a terrestrial or aquatic flesh-eating mammal
  101. cell
    the basic structural and functional unit of all organisms
  102. cell membrane
    a thin membrane enclosing the cytoplasm of a cell
  103. cell wall
    a rigid layer of polysaccharides enclosing a plant membrane
  104. cellular respiration
    the metabolic processes whereby certain organisms obtain energy from organic molecules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs
  105. chloroplast
    organelle in which photosynthesis takes place
  106. chlorophyll
    any of green pigments found in photosynthetic organisms
  107. chromosome
    a threadlike strand of DNA that carries genes
  108. chromatin
    the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes
  109. clone
    a genetically identical organism derived from a single cell
  110. commensalism
    when one organism benefits from another without damaging it
  111. parasitism
    when one organism benefits from another by causing damage
  112. parasite
    an animal or plant that lives in or on a host
  113. parasitic
    relating to an animal or plant that lives in or on a host
  114. community
    a group of people living in a particular local area
  115. competition
    the act of contending with others for rewards or resources
  116. consumer
    a person who uses goods or services
  117. cytokinesis
    organic process consisting of the division of the cytoplasm of a cell following karyokinesis bringing about the separation into two daughter cells
  118. cytoplasmic
    of or relating to cytoplasm
  119. cytoskeleton
    a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence
  120. cytology
    the branch of biology that studies the structure and function of cells
  121. data
    a collection of facts from which conclusions may be drawn
  122. decompose
    break down
  123. composer
    someone who writes music as a profession
  124. dendrite
    short fiber that conducts toward the cell body of the neuron
  125. dichotomous
    divided into two sharply distinguished parts
  126. diffusion
    the act of dispersing something
  127. digestive system
    the system that makes food absorbable into the body
  128. digestion
    the process by which the body breaks down food
  129. domain
    a particular environment or walk of life
  130. dominant
    most frequent or common
  131. ecology
    the environment as it relates to living organisms
  132. ecological succession
    (ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established
  133. ecosystem
    organisms interacting with their physical environment
  134. egg
    animal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. female birds
  135. embryo
    an animal organism in the early stages of growth
  136. endocrine system
    the system of glands that produce endocrine secretions that help to control bodily metabolic activity
  137. endocrine
    of or belonging to glands that secrete hormones
  138. endocrinology
    the branch of medicine dealing with the endocrine glands and their secretions
  139. endoplasm
    the inner portion of the gelatinous liquid inside a cell
  140. ectoplasm
    the thin, watery outer layer of a cell
  141. energy
    forceful exertion
  142. enzyme
    a complex protein produced by cells that acts as a catalyst
  143. esophagus
    the passage between the pharynx and the stomach
  144. esophageal
    relating to the esophagus
  145. esophageal reflux
    reflux of stomach contents into the esophagus
  146. estuary
    the wide part of a river where it nears the sea
  147. eukaryote
    an organism of one or more cells with membrane-bound nuclei
  148. eukaryotic
    having cells with `good' or membrane-bound nuclei
  149. evolution
    sequence of events involved in the development of a species
  150. excretory organ
    an organ that separates waste substances from the blood and discharges them
  151. excretion
    the bodily process of discharging waste matter
  152. experiment
    the act of conducting a controlled test or investigation
  153. extinction
    the state of being no longer in existence
  154. extinct
    no longer in existence
  155. fertilization
    making productive by adding nutrients
  156. fertile
    capable of reproducing
  157. fetus
    an unborn vertebrate in the later stages of development
  158. food chain
    community of organisms where each member is eaten by another
  159. food web
    community of organisms with several interrelated food chains
  160. fossil
    the remains of a plant or animal from a past geological age
  161. fossil fuel
    energy-producing substance derived from preserved organisms
  162. function
    what something is used for
  163. Fungi
    the taxonomic kingdom including yeast, molds, smuts, mushrooms, and toadstools; distinct from the green plants
  164. gene
    part of DNA controlling physical characteristics and growth
  165. genetic
    relating to the study of heredity and variation in organisms
  166. genetic engineering
    the science of changing the DNA of organisms
  167. genotype
    the particular alleles present in an organism
  168. genus
    taxonomic group containing one or more species
  169. gland
    a small organ that synthesizes and secretes chemicals
  170. Golgi apparatus
    a netlike structure in the cytoplasm of animal cells
  171. habitat
    the type of environment in which an organism normally lives
  172. herbivore
    any animal that feeds chiefly on grass and other plants
  173. heredity
    the transmission of genetic factors to the next generation
  174. hereditary
    occurring among members of a family usually by heredity
  175. homeostasis
    metabolic equilibrium maintained by biological mechanisms
  176. homologous
    similar in position, structure, function, or characteristics
  177. hormone
    the secretion of an endocrine gland transmitted by the blood
  178. hypothesis
    a tentative insight that is not yet verified or tested
  179. immune system
    the cells in the body that work together to fight disease
  180. immunity
    the condition in which an organism can resist disease
  181. immunization
    the act of making immune (especially by inoculation)
  182. immunize
    perform vaccinations or inoculate against a disease
  183. dominance
    the power or right to give orders or make decisions
  184. infectious
    relating to the invasion of germs that cause disease
  185. species
    taxonomic group whose members can interbreed
  186. joint
    junction by which parts or objects are linked together
  187. kidney
    either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine
  188. kidney stone
    a calculus formed in the kidney
  189. intestine
    the part of the alimentary canal between the stomach and the anus
  190. trachea
    a tube that conveys inhaled air from the larynx to the lungs
  191. pharynx
    the passage to the stomach and lungs
  192. larynx
    the structure containing the vocal cords
  193. ligament
    a band of fibrous tissue connecting bones or cartilages
  194. lipid
    oily, insoluble organic compound that's a component of cells
  195. lymph
    a thin coagulable fluid (similar to plasma but) containing white blood cells (lymphocytes) and chyle; is conveyed to the blood stream by lymphatic vessels
  196. lymphatic
    relating to a clear fluid containing white blood cells
  197. lymphatic system
    the interconnected system of spaces and vessels between body tissues and organs by which lymph circulates throughout the body
  198. lysosome
    a membrane-bound organelle containing digestive enzymes
  199. macrophage
    a large phagocyte
  200. matter
    that which has mass and occupies space
  201. meiosis
    cell division that produces reproductive cells
  202. mitosis
    the process by which a cell divides into two new cells
  203. mitochondrion
    part of a cell involved in energy production
  204. model
    a representation of something, often on a smaller scale
  205. molecule
    the simplest structural unit of an element or compound
  206. mutation
    a change or alteration in form or qualities
  207. mutualism
    the relation between two organisms that benefit each other
  208. natural
    relating to or concerning the physical world
  209. nephron
    any of the small tubules that are the excretory units of the vertebrate kidney
  210. nerve
    a bundle of fibers running to organs and tissues of the body
  211. nervous system
    the sensory and control apparatus consisting of a network of nerve cells
  212. neuron
    a cell that is specialized to conduct nerve impulses
  213. nucleic acid
    (biochemistry) any of various macromolecules composed of nucleotide chains that are vital constituents of all living cells
  214. nucleotide
    a phosphoric ester of a nucleoside
  215. nucleolus
    a round body in a cell that is involved in protein synthesis
  216. nucleus
    a part of the cell responsible for growth and reproduction
  217. observation
    the act of taking a patient look
  218. omnivore
    an animal that feeds on both animal and vegetable substances
  219. organic
    having properties characteristic of living beings
  220. organism
    a living thing that can act or function independently
  221. organ
    a structure in an animal specialized for some function
  222. organelle
    a specialized part of a cell; analogous to an organ
  223. osmosis
    diffusion of molecules through a semipermeable membrane
  224. ovarian
    of or involving the ovaries
  225. pancreas
    a large gland that secretes insulin and digestive enzymes
  226. pancreatic
    of or involving the pancreas
  227. parasitism
    when one organism benefits from another by causing damage
  228. pathogen
    any disease-producing agent
  229. pedigree
    the ancestry or lineage of an individual
  230. phenotype
    observable characteristics produced by genes and environment
  231. phospholipid
    any of various compounds composed of fatty acids and phosphoric acid and a nitrogenous base; an important constituent of membranes
  232. photosynthesis
    formation of compounds in plants aided by radiant energy
  233. placenta
    the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus
  234. population
    the people who inhabit a territory or state
  235. predator
    any animal that lives by preying on other animals
  236. predatory
    living by preying on other animals
  237. prey
    animal hunted or caught for food
  238. producer
    someone who manufactures something
  239. consumer
    a person who uses goods or services
  240. prokaryote
    a unicellular organism lacking a membrane-bound nucleus
  241. prokaryotic
    having cells that lack membrane-bound nuclei
  242. protein
    an organic compound essential to living cells
  243. Protista
    eukaryotic one-celled living organisms distinct from multicellular plants and animals: protozoa, slime molds, and eukaryotic algae
  244. protist
    free-living or colonial organisms with diverse nutritional and reproductive modes
  245. pseudoscience
    an activity resembling science but based on fallacious assumptions
  246. recessive
    of or pertaining to a recession
  247. replicate
    reproduce or make an exact copy of
  248. replication
    the act of making copies
  249. respiratory system
    the system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing
  250. respiration
    a single complete act of breathing in and out
  251. ribosome
    a particle in a cell that helps synthesize proteins
  252. RNA
    a nucleic acid that helps synthesize proteins and transmit genetic data
  253. sexual
    of or relating to or characterized by sexuality
  254. skeleton
    the structure providing a frame for the body of an animal
  255. skeletal
    relating to a structure made of bones and cartilage
  256. skeletal system
    the hard structure (bones and cartilages) that provides a frame for the body of an animal
  257. intestine
    the part of the alimentary canal between the stomach and the anus
  258. specie
    coins collectively
  259. sperm
    the male reproductive cell; the male gamete
  260. spinal cord
    a major part of the central nervous system which conducts sensory and motor nerve impulses to and from the brain; a long tubelike structure extending from the base of the brain through the vertebral canal to the upper lumbar region
  261. spinal tap
    removal by centesis of fluid from the subarachnoid space of the lumbar region of the spinal cord for diagnostic or therapeutic purposes
  262. stomach
    enlarged and muscular saclike organ of the alimentary canal
  263. symbiosis
    the relation between two interdependent species of organisms
  264. T cell
    a small lymphocyte developed in the thymus
  265. tendon
    a band of tissue connecting a muscle to its bony attachment
  266. tissue
    part of an organism consisting of an aggregate of cells
  267. umbilical cord
    membranous duct connecting the fetus with the placenta
  268. uterus
    a hollow muscular organ in the pelvic cavity of females
  269. vaccine
    injection of weakened or dead microbes to create antibodies
  270. vaccination
    taking a substance, usually by injection, against a disease
  271. vacuole
    a tiny cavity filled with fluid in the cytoplasm of a cell
Created on Sat Feb 04 21:46:21 EST 2012 (updated Sun Feb 26 14:48:57 EST 2012)

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