2025 EOG Review

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990
Across
  1. 2. caused by misuse of antibiotics (creates suberbugs)
  2. 8. A solid that is produced as a result of a chemical reaction in solution-proof of a chemical reaction
  3. 10. Physical Property-the ability of a substance to be hammered or beaten into thin sheets
  4. 11. The substance that is dissolved when making a solution.
  5. 13. in undisturbed rock layers, the oldest rocks are on the bottom and the youngest rocks are on the top
  6. 14. Less than 7 on the pH scale
  7. 16. vertical column on the Periodic Table; elements in the column share similar properties; also known as a Family
  8. 17. The amount of space something occupies
  9. 18. the movement of carbon among living organisms, the air, and the ground. Protein a substance needed for growth and repair
  10. 21. used by the body to repair muscle
  11. 22. nonliving things in an ecosystem, such as water, temperature, sunlight, pH, nutrients, etc.
  12. 23. Physical Property-the ability to dissolve in another substance
  13. 25. single-celled organism lacking a nucleus; the class of cell that includes all bacteria
  14. 26. vertical column on the Periodic Table; elements in the column share similar properties; also known as a Group
  15. 27. water that fills the cracks and spaces in underground soil and rock layers
  16. 30. no longer in existence-could be caused by climate change
  17. 35. medicine that kills or slows the growth of bacteria
  18. 39. the ability of a material to allow either heat or electricity to flow through it (metals)
  19. 40. a change that occurs when one or more substances change into entirely new substances with different properties
  20. 42. Horizontal row on the Periodic Table
  21. 43. the process by which cells create energy (ATP)
  22. 46. an organism that lives on or in a host and causes it harm
  23. 47. Greater than 7 on the pH scale
  24. 48. The law that states that mass is neither created nor destroyed in ordinary chemical and physical changes.
  25. 57. the area where a freshwater stream or river merges with the ocean. Often a nursery for young sealife (brackish water)
  26. 59. gradual change over time
  27. 60. type of pollution that enters a body of water from a large area, such as lawns, construction sites, and roads. All runoff.
  28. 63. type of mixture in which substances are evenly distributed; example: a solution, milk, sugar water
  29. 64. a measure of the clarity of the water (how clear is it?) High turbidity= dirty water
  30. 65. Anything that limits (restricts) the size of a population
  31. 67. large area drained by a river and its tributaries
  32. 70. type of energy resource that can be replace as it is used or that cannot be used up; examples: solar, wind, hydro, geothermal energy
  33. 73. structures of different organisms that have a similar structure but not necessarily a similar function (supports theory of evolution from a common ancestor)
  34. 74. circulation of ocean currents driven by salt and temperature
  35. 75. Another name for a homogeneous mixture.
  36. 77. a symbiotic relationship between two organisms in which both organisms benefit; example: clownfish and sea anemone
  37. 78. Measure of the amount of matter in a substance
  38. 79. a characteristic of a substance that can be observed directly (what you see, what you feel, what you smell) or can be measured with a tool without changing the identity of the substance
  39. 82. 7 on the pH scale
  40. 83. two or more atoms held together by bonds
  41. 84. an extremely rapid growth of algae caused by too many nutrients (nitrates & phosphates) in the water
  42. 85. the amount of matter in a given space; mass per unit volume
  43. 86. the relation between two different species of organisms that are interdependent (there are many types)
  44. 87. the movement of deep, cold, and nutrient-rich water to the surface-great fishing when it happens!
  45. 88. matter that has the same chemical composition throughout and cannot be separated into its parts by physical means; examples: elements and compounds (NaCl and Na are examples)
  46. 89. symbiotic relationship in which one member of the association benefits and the other is neither helped nor harmed
  47. 90. dissolved in water/important for fish and other aquatic animals (above 9ppm is good!)
Down
  1. 1. the number of protons in the nucleus of an atom.
  2. 3. sugars, starches-ENERGY sources!
  3. 4. gap in the rock layer that is due to erosion or periods without any deposition
  4. 5. tiny one-celled organisms that lack a nucleus, some of which can cause diseases; come in three shapes (cocci, bacillus, and spirilia)
  5. 6. the amount of salt in water, measure of salt in water (increases density)
  6. 7. total mass of the protons and neutrons in an atom,
  7. 9. underground layer of permeable rock yielding ground water for wells and springs etc
  8. 11. The amount of energy required to raise the temperature of 1 gram of a substance by 1 degree celsius...amount of heat required to increase the temperature of water
  9. 12. on the ocean floor where hot gases and minerals escape from earth's interior into the water-chemosynthesis happens here!
  10. 15. a characteristic of a substance that cannot be observed without changing the identity of the substance
  11. 16. Earth's history organized into four eras: Precambrian, Paleozoic, Mesozoic, and Cenozoic
  12. 19. element on the periodic table with 7 protons (cycled by bacteria)
  13. 20. an infectious particle that can be transmitted or spread from one organism to another (starts with a c)
  14. 24. any microbe (virus, bacteria, fungus or organism) that can cause a disease
  15. 28. a change in a substance that does not involve a change in the identity of the substance
  16. 29. organisms that are used to assess the health of a water system. The greater the variety, the healthier the water is. (macroinvertebrates)
  17. 31. matter made up of two or more substances that are not joined chemically-can be separated by filtering, evaporation, etc
  18. 32. substance prepared and then introduced into a body to produce immunity to a virus/bacteria
  19. 33. great example of anIndex fossil
  20. 34. organisms composed of many cells (plants and animals are good examples)
  21. 36. organism whose cells contain nucleus
  22. 37. a pure substance that forms when two or more elements join chemically in a fixed proportion (water and salt are examples)
  23. 38. spreads disease (mosquito is the _______ for Malaria)
  24. 41. fats and oils that are used as a secondary source of energy by the body, Uniformitarianism The geologic principle that the same geologic processes that operate today operated in the past to change Earth's surface
  25. 44. a measure of how acidic or basic a solution is (low number-acid. high number-base)
  26. 45. the struggle between individuals of the same or different species for food, space, light, etc.
  27. 49. structures of different organisms that perform similar functions but do not have similar structures (does not support theory of a common ancestor)
  28. 50. an outbreak of a disease that affects many people in an area
  29. 51. tiny, nonliving particle that invades and then reproduces inside a living cell
  30. 52. nitrogen compounds used for growth by plants and algae (too much=eutrophication!)
  31. 53. type of mixture in which substances are not distributed evenly; example: a salad, pepperoni pizza, dirt
  32. 54. organisms that cannot make their own food and must feed on other organisms for energy and nutrients
  33. 55. an organism that makes its own food (plants)
  34. 56. living things in an ecosystem, such as bacteria, fungi, plants and animals
  35. 58. type of energy resource that is used much faster than it can be replaced; examples: fossil fuels (oil, coal, natural gas) and uranium (nuclear energy)
  36. 61. having only one cell (bacteria are a good example))
  37. 62. a disease that spreads over a large area, or throughout the world
  38. 66. Fossils of widely distributed organisms that lived during one short period (used in relative dating)
  39. 68. the process by which organisms that are best suited to a particular environment survive and reproduce most successfully
  40. 69. the process by which plants capture energy in sunlight and uses it to make glucose (food)
  41. 71. a trait that helps an organism survive in a particular environment
  42. 72. The substance that is dissolving when making a solution.
  43. 76. small area of land that is drained into a creek/stream
  44. 79. type of Pollution that is discharged from a single identifiable location (e.g., pipes, ditches, channels, sewers, tunnels, containers of various types).
  45. 80. pure substance that cannot be broken down into simpler substances
  46. 81. a symbiotic relationship in which one organism benefits and the other is harmed; example: dog and heartworms