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