1st Semester Vocab Physical Science

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Across
  1. 4. The part of the experiment that stays the same
  2. 5. Shows the reactants and products using symbols Balanced
  3. 7. used as a constant and unchanging standard of comparison in scientific experimentation.
  4. 11. 2 elements form a compound
  5. 13. Has an equal number of atoms on both sides of the arrow
  6. 15. substance A substance that is made of only one type of atom or molecule
  7. 16. change Color, shape, and size
  8. 18. Right sid of the Periodic Table
  9. 20. Particals within the atom: proton, neutron, and electrons
  10. 25. A testable question in the form of an if than statement
  11. 26. Two or atoms of the same element, the have the same number of protons but different numbers of nuetrons
  12. 32. a mathematical relationship or rule expressed in symbols.
  13. 33. Atom has gained or lost electrons- NOT neutral
  14. 34. The substance after the change has occurred, written on right side of the arrow
  15. 37. The variable whose variation doesnt depend on the other
  16. 41. Horizontal column
  17. 44. compounds form 2 new compounds
  18. 47. Simplest form of that species
  19. 48. Releases energy in the form of heat
  20. 49. symbol on top of the arrow
  21. 56. A chemical change that produces a new substance
  22. 57. 1 compound forms 2 or more elements
  23. 58. Left side of the Periodic Table
  24. 59. Absorbs energy in the form of heat
  25. 60. A substance made by mixing other substances together
  26. 61. atoms want 8 valance electrons like the noble gases
Down
  1. 1. Validity definition, the state or quality of being valid: to question the validity of the argument.
  2. 2. Parts of a mixture that look alike
  3. 3. Hydrocarbonn and oxygen form water and carbon dioxide
  4. 6. A positively charged ion
  5. 8. Elements transfer electrons
  6. 9. Negative outside nucleus in orbitals
  7. 10. Burning, combustion, and cooking
  8. 12. The act of trying or testing in any manner.
  9. 14. On the stair-step
  10. 17. element and compound form a new element and new compound
  11. 19. Vertical column
  12. 21. number Rounded atomic mass gives number of protons, neutrons, and electrons
  13. 22. A negatively charged ion
  14. 23. The number in front of the element
  15. 24. A measure that changes the substance
  16. 27. Ion with more than one atom, has a charge, acts like a single unit
  17. 28. without changing the composition of matter
  18. 29. Positive inside nucleus
  19. 30. Neutral no charge inside nucleus
  20. 31. The elements have a repeating pattern that allow them to be placed in groups and periods
  21. 35. Decimal on the Peridoic Table
  22. 36. The variable that varies according to the others
  23. 38. The substance befor the change, written on the left side of arrow
  24. 39. The cloud of electrons around the nucleus
  25. 40. Elements that share electrons
  26. 42. Smallest form of an element that consist of a proton, neutron, electron, and orbitals
  27. 43. Location of protons and nuetrons
  28. 45. Parts of a mixture that are diverse or different
  29. 46. Whole number on the Periodic Table
  30. 50. The energy stored in the bonds a compound
  31. 51. A thing that is composed of two or more elements
  32. 52. How compact the object is
  33. 53. A reaction that ties together compounds
  34. 54. Element featuredor factored that iS liable to vary or change
  35. 55. Trait or characteristic