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8th Grade

8th Grade. Science Vocabulary Review. The actual brightness of a star. ABSOLUTE MAGNITUDE. The transfer of energy carried by light waves to particles of matter. ABSORPTION. A characteristic that helps an organism survive and reproduce in its environment. ADAPTATION.

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8th Grade

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  1. 8th Grade Science Vocabulary Review

  2. The actual brightness of a star

  3. ABSOLUTE MAGNITUDE

  4. The transfer of energy carried by light waves to particles of matter

  5. ABSORPTION

  6. A characteristic that helps an organism survive and reproduce in its environment

  7. ADAPTATION

  8. A large body of air that has the same temperature and moisture throughout

  9. AIR MASS

  10. Alternate forms of a gene that govern the same characteristics

  11. ALLELES

  12. The maximum distance the particles of a wave’s medium vibrate from their rest position

  13. AMPLITUDE

  14. How bright a light appears to an observer

  15. APPARENT MAGNITUDE

  16. A measure of how much surface an object has

  17. AREA

  18. The study of all physical objects beyond Earth

  19. ASTRONOMY

  20. The smallest particle into which an element can be divided and still be the same substance

  21. ATOM

  22. The weighted average of the masses of all the naturally occurring isotopes of an element

  23. ATOMIC MASS

  24. The number of protons in the nucleus of an atom

  25. ATOMIC NUMBER

  26. The state in which the combined forces exerted on an object add up to zero

  27. BALANCED

  28. The theory that states that the universe began with a tremendous explosion

  29. BIG BANG THEORY

  30. An object with more than three solar masses squeezed into a ball only 10 km across whose gravity is so strong that not even light can escape

  31. BLACK HOLE

  32. The movement of carbon from the nonliving environment into living things and back

  33. CARBON CYCLE

  34. The largest population that a given environment can support over a long period of time

  35. CARRYING CAPACITY

  36. The idea that all geologic change happens suddenly

  37. CATASTROPHISM

  38. The process by which sediment is “glued” together by minerals dissolved in water

  39. CEMENTATION

  40. The force of attraction that holds two atoms together

  41. CHEMICAL BOND

  42. The joining of atoms to form new substances

  43. CHEMICAL BONDING

  44. A change that occurs when one or more substances are changed into entirely new substances with different properties

  45. CHEMICAL CHANGE

  46. A shorthand description that uses chemical formulas to describe a chemical reaction

  47. CHEMICAL EQUATION

  48. A shorthand notation that uses chemical symbols and numbers to represent a substance

  49. CHEMICAL FORMULA

  50. The process by which one or more substances change to produce one or more different substances

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