Triassic Triassic
https://en.wikipedia.org/wiki/Triassic Cambrian period Read and learn about Cambrian period...
https://en.wikipedia.org/wiki/Cambrian Pennsylvanian (geology) The Pennsylvanian (also known as Upper Carboniferous or Late Carboniferous) is, in the ICS geologic timescale, the younger of two subperiods (or upper of two subsystems) of the Carboniferous Period.
https://en.wikipedia.org/wiki/Pennsylvanian_(geolo... Geologic Time
Geology For Kids The Study of Our Earth
kidsgeo.com/geology-for-kids/0030-geolo... The Earth's age in measurements
The Earth's age in measurements you can understand
https://www.youtube.com/watch?v=tkxWmh-tFGs
Period (geology) A geologic period is one of several subdivisions of geologic time enabling cross-referencing of rocks and geologic events from place to place.
https://en.wikipedia.org/wiki/Period_(geology) Geologic Time Scales
Geologic Time Scales
mcz.harvard.edu/Departments/InvertPaleo... The Geological Timescale
Geological time can be confusing to some, so this video explains where and in what order the periods and eras are.
https://www.youtube.com/watch?v=r10oh1NHKv4
What is Geologic Time?
What is Geologic Time?
geomaps.wr.usgs.gov/parks/gtime/ Dinosaurs - an intro for kids
An intro to one of kids' favorite topics, dinosaurs. Mentions geological eras, Mesozoic Era, Triassic, Jurassic, and Cretaceous Periods,
https://www.youtube.com/watch?v=1tuzo8L55WE
Geologic time scale
Geologic time scale
ucmp.berkeley.edu/help/timeform.php The Geological Timescale
Geological time can be confusing to some, so this video explains where and in what order the periods and eras are.
https://www.youtube.com/watch?v=r10oh1NHKv4
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