BIOLOGY VOCABULARY Q1

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Across
  1. 3. Table / All of the elements arranged according to the number in each protons.
  2. 5. Electron / Electrons that are in the outer shell.
  3. 8. Wall / which strengthens the cell and provides support
  4. 10. Reaction / Process that changes one set of chemicals .
  5. 12. - Absorbing / reactions have products with more energy than the reactants
  6. 13. / ( Water Loving )Dissolves in water
  7. 14. / Anything that takes up space and has mass.
  8. 16. / The act of noticing and describing events or processes in a careful, orderly way.
  9. 18. / Very tiny particles.
  10. 19. / Where respiration take place to release energy
  11. 20. / Compounds made up of carbon, hydrogen, and oxygen atoms.
  12. 23. / Long molecule consisting of many similar building blocks.
  13. 26. / many substances such as salts, sugars, minerals and even gases can dissolve in it
  14. 28. Group / The variable is changed.
  15. 30. / Lipids that have a hydrophilic head and hydrophobic tail
  16. 32. Carbohydrates / Are polymers of simple sugar.
  17. 33. / ( water fearing )Repels water
  18. 35. Number / Number of protons plus the number of neutrons in an atom.
  19. 38. bond / A bond between two polar molecules
  20. 39. Permeable / It allows some substances to cross it more easily than others.
  21. 41. Variable / The things you change in an experiment.
  22. 44. / A substance formed by the chemical combination of two or more elements in definite proportions.
  23. 46. / attraction between the water molecules and molecules of other substances
  24. 47. / attraction between the individual water molecules
  25. 48. / Smallest unit of most compounds.
  26. 49. / A logical interpretation based on what scientist already know.
  27. 50. / An organized way of gathering and analyzing information about the world.
Down
  1. 1. / A pure substance consists entirely of one type of atom.
  2. 2. energy / chemical reactions that need some energy to make them start
  3. 4. Bonding / Sharing electrons.
  4. 5. / Factors that change during an experiment.
  5. 6. Experiment / You can only change one variable.
  6. 7. molecule / The opposite ends have opposite charges
  7. 9. / Large and varied group of biological molecules that are generally not soluble in water.
  8. 10. / Where most of the chemical reaction take place.
  9. 11. / Mostly polymers, built from monomers.
  10. 15. Number / Numbers of protons an atom contains.
  11. 17. / Atoms of the same element that differ in the number of neutrons they contain.
  12. 21. / Records of experimental observation.
  13. 22. / consists of one or more polypeptides.
  14. 24. Bonding / Losing or gaining electrons.
  15. 25. / is a atom or molecule in which the total number of electrons is not equal to the total number of protons.
  16. 27. / Contain the green pigment chlorophyII
  17. 29. / The protons and neutrons exist in a dense core.
  18. 31. / Small building-block molecules.
  19. 34. / controls the activities of the cell
  20. 36. - releasing / reactions have products with less energy than the reactants
  21. 37. Acids / Organic molecules with carboxylic and amino groups..
  22. 38. / An explanation for an observation that can be tested.
  23. 40. Experiment / An experiment where only one variable is changed.
  24. 42. Variable / The things you measure in an experiment.
  25. 43. Acids / Polymers of nucleotides.
  26. 45. / Electrons around the outside of atoms and are arranged in layers.