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Worksheetsgeology
Total questions: 11
Worksheet time: 8mins
What is the most recent period, the period we are in?
Cenozoic
Quaternary
Precambrian
Jurassic
Stratigraphy is the study of
Rock layers and layering
fossils
science
weather
where is the oldest layer?
At the top
At the bottom
In the middle
closest to the mountain
In which era are we currently living?
Precambrian
Paleozoic
Mesozoic
Cenozoic
Which of these choices is the best definition of absolute dating?
determining the age of a rock layer by studying the fossils present
finding the age of an object compared to other objects
measuring the age of an object in years using any method
determining the amount of a radioactive isotope in an object
What is the method of measuring age that gives the most precise results?
radioactive dating, when scientists measure the levels of an isotopic element inside of an object
rate of sedimentation, which dates layers of Earth based on their thickness
law of superposition, which dates layers of Earth based on their order
B. relative dating, when scientists fill an object with carbon and measure how much will fit
What time period did mammals first appear in?
Triassic
Paleozoic
Mesozoic
Cenozoic
Which came first the first fishes or the first birds?
Fishes
Birds
The earth is ______________of years old
Hundreds
Millions
Billions
Trillions
Bonus question: How many hours are in 4.6 billion years?
4.0296e+13
0
5000000e+10
2134.02e+1.3
