Below are some in-depth trivia geologic time scale quiz questions! Geologists organize the 4. 6 billion years of earth's history into sections based on important changes seen in the geologic record. Some of these events are irreversible and help explain much about why the earth is the way it is. How about you give the quiz a try and get to refresh your memory on some of these periods and events. All the best!
Eons
Eras
Periods
Epoch
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
Precambrian
Paleozoic
Mesozoic
Cenozoic
Paleozoic Era
Mesozoic Era
Cenozoic Era
Precambian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
Precambian Time
Eon, Era, Epoch, Period
Period, Epoch, Era, Eon
Eon, Era, Period, Epoch
Era, Epoch, Eon, Period
Algae
Dinosaurs
Bacteria
Trilobites
46 million years old
4.6 million years old
4.6 billion years old
460 million years old
Paleozoic Era
Mesozoic Era
Cenozoic Era
Precambian Time
Eon
Era
Period
Epoch
3 million years ago
20 million years ago
350 million years ago
530 million years ago
Mammals
Sharks
Sea shells
Jelly fish
Igneous rocks
Sedimentary rocks
Metamorphic rocks
All of the above rock types
Decomposed organic material
Plant impressions
Animal footprints
Animal bones
Cenozoic
Mesozoic
Paleozoic
Precambian
Precambrian
Periods
Eras
Epochs
4.6 billion years ago
3.8 billion years ago
320 million years ago
120 million years ago
Worms
Molluscs
Jelly fish
Arthropods