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- 1. Multiple ChoiceWhich best describes a fossil that helps determine the relative age of a rock layer?trace fossilindex fossilradioactive fossilunconformity fossil
- 2. Multiple ChoiceBy which method have scientists determined that the Earth is about 4.5 billion years old?plate tectonicsrelative datingradioactive datinglaw of superposition
- 3. Multiple ChoiceWhich characteristic of carbon-14 dating helps scientists determine the approximate time a species became extinct?Carbon-14 is not present in more recent fossilsCarbon-14 increases at a constant rate over timeCarbon-14 decreases at a constant rate over timeCarbon-14 can only be found in fossils of a certain period
- 4. Multiple Choice
The Era when life began was...cenozoicpaleozoicmesozoicprecambrian - 5. Multiple ChoiceThe longest Era was...PrecambrianPaleozoicMesozoicCenozoic
- 6. Multiple ChoiceTrilobites are found in the _____________.CenozoicMesozoicPaleozoicCretaceous
- 7. Multiple ChoiceWhich layer is the oldest?3415
- 8. Multiple ChoiceWhat occurs at the end of a geologic era?floodextinctioncometmountains form
- 9. Multiple ChoiceAccording to the law of superposition, the oldest fossils are foundAt the top of the rock layersNear the bottom of the rock layersIn the middle of the rock layersSomewhat near the surface
- 10. Multiple ChoiceWhat role do faults play in the Law of Superposition?Faults create new types of rock.Faults are younger than the layers they cut through.Faults are the same age as the layers they cut through.
- 11. Multiple ChoiceSeveral different fossils were found in rock layers in a geologic column. Above these rock layers, the fossils were almost nonexistent. Which most likely explains these observations?A nonconformity occurredAll the organisms migrated.A period of mass extinction occurred.
- 12. Multiple Choice
The following diagram shows rock layers that are cut by a fault and two bodies of rock (rock 1 and rock 2). What are the relative ages of the features in order of oldest to youngest?
fault, rock 1, rock 2, layer 1
layer 1, rock 2, rock 1, fault
layer 1, rock 2, rock 1, fault
fault, rock 2, layer 1, rock 1
- 13. Multiple Choice
Which layer is the oldest?
H
B
F
R
- 14. Multiple Choice
Which layer is younger?
O
N
M
P
- 15. Multiple Choice
What is the correct order of events from oldest occurring to the most recent?
C,DE,B,A,
E,A,B,C,D
B,D,E,A,C
C,B,A,D,E
- 16. Multiple ChoiceAn ordered arrangement of rock layers that is based on the relative ages of the rocksSuperpositionUnconformityLayeredGeologic Column
- 17. Multiple ChoiceThe Principle of Cross-Cutting Relationships states that an igneous intrusion isalways younger than the layers it cuts acrossalways older than the layers it cuts acrossthe same age as the rock it meltednone of the answers are correct
- 18. Multiple ChoiceThe statement that the oldest layer will be at the bottom in an undisturbed sequence of rock layers is called the Principle of ....InclusionsUnconformitiesCross-Cutting RelationshipsSuperposition
- 19. Multiple ChoiceWhich of the following correctly lists the layers in order from oldest to youngest?A, B, C, D, EE, B, C, D, AE, D, C, B, AC, B, A, D, E
- 20. Multiple ChoiceThe statement "Layer B is younger than layer E" can be determined by using which principle?Principle of HorizontalityPrinciple of Cross-Cutting RelationshipsPrinciple of InclusionsPrinciple of Superposition
- 21. Multiple ChoiceRock made of layers of compressed sedimentsmetamorphic rockigneous rocksedimentary rockschool house rock
- 22. Multiple ChoiceThe breakdown of rock into smaller particles from the effects of wind, water and iceerosioncementationpressureweathering
- 23. Multiple Choice
What type of rock do fossils usually form in?
granite
glaciers
tar pits
sedimentary rock
- 24. Multiple Choice
Do all fossils form in amber?
yes
no
- 25. Multiple Choice
In very cold climates, fossils can be preserved in _____.
ice
tar
amber
mud
- 26. Multiple Choice
When mud and sediment build up around the deceased organism, it is called what type of fossil?
a mold fossil
a cast fossil
an imprint fossil
a carnivore
- 27. Multiple Choice
What type of fossil forms when a cast fossil fills up with minerals and sediment, eventually turning it to hardened rock?
cast fossil
mold fossil
body fossil
imprint fossil
- 28. Multiple ChoicePrinciple that Earth's processes occurring today are similar to those that occurred in the pastunconformitiesuniformitariansimsuperposition
- 29. Multiple ChoiceTime it takes for half of an isotopes atoms to decayrelative ageabsolute agehalf-life
- 30. Multiple ChoiceFossil of thin layer of carbon atoms and moleculesoriginal remainscarbon filmtrace fossil
- 31. Multiple ChoiceCorrectly sequence the layers of rocks oldest to youngestC,E,D,A,BC,E,D,A,BC,E, D,B,A
- 32. Multiple ChoiceRelative Dating dates rocks __________
Absolute Dating dates rocks __________exact age; sequencesequence; exact ageexact age; parent isotopesLaws; Isotopes - 33. Multiple ChoiceThe length of time required for half of the radioactive atoms in a sample to decay is its...eraagehalf-lifeeon
- 34. Multiple ChoiceWhat percent of carbon-14 would be left after 11,460 years? (2 half lives)100%75%50%25%
- 35. Multiple Choicewhat's the half life of this substance?1 day5 days3 days9 days
- 36. Multiple ChoiceWhy are isotopes with short half-lives not useful for dating very old rocks?because not enough of the parent isotope remains to measure accuratelybecause not enough of the daughter product has formed to be detectablebecause neither the parent isotope nor the daughter product will be detectablebecause very old rocks would never have contained these isotopes
- 37. Multiple ChoiceThe Earth is estimated to be how old?4.6 Million years old6,000 years old4.6 Billion years oldWho knows
- 38. Multiple Choice
How much of the parent isotope is left after 3 half lives?
100%
50%
25%
12.5%
- 39. Multiple ChoiceYou find a rock sample with radioactive atoms present. If 12.5% of the original radioactive atoms were present, how many half-lives has the rock been around for? (Hint, at Half-Life = 0, you start with 100%)zero123
- 40. Multiple ChoiceIn which time period are we currently living?Precambrian TimePaleozoic EraPaleozoic EraCenozoic Era
- 41. Multiple ChoiceJellyfish are one of the oldest species on Earth. In what time period did they first appear?Precambrian TimePaleozoic EraMesozoic EraCenozoic Era
- 42. Multiple ChoiceIn what time period did Pangaea, the super continent, appear?Precambrian TimePaleozoic EraMesozoic EraCenozoic Era
- 43. Multiple ChoiceDinosaurs, small mammals, and birds are found in this time period.Precambrian TimePaleozoic EraMesozoic EraCenozoic Era
- 44. Multiple ChoiceThe Geologic Time Scale is a record of what?old geologiststhe known history of rocks and fossilsa list of every living thing everNone of the above
- 45. Multiple Choice
Look at the diagram, what layer did animal E first show up in?
Layers #4
Layers #5
Layers #6
Layers #7
- 46. Multiple ChoiceWhich of the following is NOT an example of a fossil?a petrified dinosaur bonea footprint captured in muda seashell found on the beachan insect stuck in amber
- 47. Multiple ChoiceWhich of the following is NOT something you could learn from a fossil?The size of the animalWhat the animal ateThe color of the animalWhere the animal lived
- 48. Multiple ChoiceWhy don't we know what many ancient plants looked like?They had too many soft parts.They were all eaten by dinosaurs.There weren't ancient plants.They had too many hard parts.
- 49. Multiple ChoiceWhat happens when a group of animals become extinct?All of its members have died.Only a few of its members are still living.The animals can no longer lay eggs.All of its members move to another place.
- 50. Multiple ChoiceWhich statement BEST describes how the fossil bones of a dinosaur are formed?The dinosaur became trapped in amber.The dinosaur was covered in sediment.The dinosaur was frozen in ice.The dinosaur stepped in wet mud.
- 51. Multiple ChoicePrinciple that Earth's processes occurring today are similar to those that occurred in the pastunconformitiesuniformitariansimsuperposition
- 52. Multiple Choice
The following organisms can be killed by antibiotics
Viruses
Fungi
Protists
Bacteria
- 53. Multiple Choice
Biotechnology is _____________?
is the use of biological processes, organisms, or systems to manufacture products intended to improve the quality of human life.
is the use of DNA and the double helix.
is the use of microbes.
- 54. Multiple ChoiceMillions of people living all over the world have cancer. Is cancer a pandemic?No, because cancer is not contagious.No, because cancer is not always fatal.Yes, because millions of people have cancer.Yes, because people all over the world have cancer.
- 55. Multiple ChoiceIn 1918, an outbreak of influenza infected 500,000 people all over the world. Tens of millions of those infected died. In 1994, an outbreak of pneumonic plague spread quickly through the city of Surat in India, killing 52 people.
Which statement BEST describes the two events?Both outbreaks were pandemics.Both outbreaks were epidemics.The influenza outbreak was a pandemic. The plague outbreak was an epidemic.The influenza outbreak was an epidemic. The plague outbreak was a pandemic. - 56. Multiple ChoiceUsed for short term (quick) energy.carbohydrateslipidsproteinsnucleic acids
- 57. Multiple ChoiceProvides long term energy and insulation,lipidscarbohydratesnucleic acidsproteins
- 58. Multiple ChoiceGeothermal energy is energy fromthe sunheat from deep in the earthwindinexhaustable
- 59. Multiple ChoiceWind energy isgenerated from moving waterstarts with moving air and generates electricitystarts with the suncomes from the earth
- 60. Multiple ChoiceWhich alternative energy source is generated beneath Earth’s crust and can be used to heat buildings?Hydroelectric energyGeothermal energyWind energySolar energy
- 61. Multiple ChoiceWhich type of alternative energy source is shown in this picture?WindSolarHydroelectricGeothermal
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