Units And Measurement worksheets
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In which time period are we currently living?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
Jellyfish are one of the oldest species on Earth. In what time period did they first appear?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
In what time period did Pangaea, the super continent, appear?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
Dinosaurs, small mammals, and birds are found in this time period.
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
Which fossil is the youngest?
fossil A
fossil B
fossil C
fossils A and B are the same age
What is the importance of studying fossils?
to provide information about how current life forms would exist in previous environmental conditions
to provide information about how life and environmental conditions may have changed
to provide information about how previous life forms would exist in current environmental conditions
6. A branch of geology dealing with the arrangement of sedimentary rock layers or strata?
Stratigraphy
Geography
Photography
Biography
Geologists assume the newest rock layers are on top of the older ones, unless some type of disturbance occurs, in known as …
Law of Inclusions
Law of Crosscutting
Law of Conservation
Law of Superposition
Determines the “relative” order of past events but not the absolute age.
Absolute age
Relative age
Real age
New age
Uses the decay of radioactive elements to find the ___________________________ of a rock or fossil.
Relative age
Absolute age
New age
Real Age
These specialized fossils indicate to geologists the boundaries in geological time and determine the age of rocks.
Index fossils
Limestone fossils
Amber fossils
Cast fossils
This chronological time chart is broken into different time chunks, the largest being the Eon, then Era, Period, and Epoch.
Timeline
Calendar
Geological time scale
Time chart
Approximately how old is the Earth?
4.6 billion years old
4.6 million years old
5 billion years old
5 million years old
History of life as documented by all fossils, preserved in sedimentary rock strata is known as the _________________________.
Rock record
Fossil record
Geology record
Petrified record
Preserved remains of plant and animals from the remote past are called _______________.
Rocks
Dinosaurs
Strata
Fossils
The end of life for a group of organisms, usually a species, is called a(n) ________________.
Extinction
Retirement
Endangerment
Catastrophe
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Other topics to explore
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