Unit 4 Test
Quiz by Daryl Cadanilla
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25 questions
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- Q1The type radioactive decay that consists of two protons and two neutrons leaving the nucleus isgammabetaalpha60s
- Q2What is the correct order of events, according to this picture? (oldest to youngest)
P , R, K , M, S, X, B
P, K , R,M , S, X, B
P, K, M, S, X, R, BB,R, X, S, M, K, P60s - Q3Scientists believe the earth to be about how old?13.7 billion years oldyounger than the moonolder than the solar system4.6 billion years old60s
- Q4Carbon-14 dating is method of absolute dating that can only be used onwatermineralsorganic matter/ used to be aliverocks60s
- Q5Layers of rock and fossil evidence help scientistslist every event that has ever happened on the Earth’s surface.account for all of the species that have ever existed.determine the exact age of Earth.organize events in Earth’s geologic history.60s
- Q6Scientists use radiometric dating (radioactive decay) to measureTimethe number of fossils in rocksthe absolute age of rocksthe relative age of rocks60s
- Q7According to the law of superposition, the oldest fossils are foundIn layer ABetween layer A and BIn layer BIn layer c60s
- Q8Which of the following choices is the oldest?Layer AIntrusion HLayer LIntrusion D60s
- Q9By saying: "I am older than my sister," is an example of which type of dating used in geology:Relative DatingAbsolute DatingChronological Sibling TimelinesFossil Dating60s
- Q10Uranium-238 undergoes alpha decay. What element does it become?NeptuniumActiniumProactiniumThorium60s
- Q11Using the graph below, identify how long the half life is of iodine-13164 days8 years8 days64 years60s
- Q12____ dating uses the ratio of parent isotopes to daughter isotopesApproximateComparativeRelativeAbsolute60s
- Q13The Law of Superposition helps scientists to determine what?The relative age of rock layersThe absolute age of rock layersThe age of fossilsthe super powers of rocks60s
- Q14When scientists use logic to determine the age of one fossil compared to another, they use this type of dating.RelativeAbsoluteCarbon60s
- Q15What is the difference between relative and absolute age?Relative only involves peopleNothingAbsolute can only be done on leavesRelative age is compared to other layers. Absolute age is the numeric age of a layer of rocks.60s