Geologic Time Scale

Welcome to the Geologic Time Scale category on Questions LLC! If you have ever wondered how scientists study and understand the immense span of Earth's history, this is the place for you. The Geologic Time Scale provides a framework that helps us unravel the mysteries of our planet's past, dating back billions of years. Whether you are curious about the different eons, eras, periods, or specific events that have shaped our world, this category is a treasure trove of information. From understanding the extinction of dinosaurs to the formation of mountains, our collection of questions will take you on an exciting journey through Earth's geological history. So, take a dive into the depths of time, explore the ages, and satisfy your curiosity about the incredible story of our planet!

Questions (77)

Why are time periods in the geologic time scale are not even in length?They are based on the type of fossils found in rock
1. 7 answers
2. asked by Roblox Ram
3. 1,794 views
What events separate the Paleozoic, the Mesozoic, and the Cenozoic eras?A. Mass extinctions of species B. The fluctuations of
1. 1 answer
2. asked anonymously
3. 87 views
Dr. Garcia is excavating a site looking for a new prehistoric species to add to the fossil record. She believes that she has
1. 2 answers
2. asked anonymously
3. 85 views
What is event Paleozoic era
1. 1 answer
2. asked anonymously
3. 123 views
During which period did humans first appear on Earth?Quaternary Neogene Paleogene Cenozoic
1. 7 answers
2. asked anonymously
3. 61 views
Think about how the geologic time scale was created and how it is divided. Then answer the following questions.• How did
1. 4 answers
2. asked anonymously
3. 85 views
what do the periods in the geologic time scale represent ?
1. 1 answer
2. asked by s
3. 75 views
what do the terms paleozoic, mesozoic and cenozoic mean
1. 1 answer
2. asked by s
3. 65 views
what do the periods in the geologic time scale represent
1. 1 answer
2. asked by s
3. 68 views
1. The division of Earth’s history into smaller units makes up the ____.eras geologic time scale*** periods sequence of events
1. 6 answers
2. asked by Jman
3. 2,008 views
Which of the following statements describes the development of the geologic time scale?A) Scientists developed the geologic time
1. 34 answers
2. asked by Bianca
3. 7,344 views
Geologic Time Scale Quick Check4 of 44 of 4 Items Question Why are time periods on the geologic time scale not even in length?(1
1. 3 answers
2. asked by SoleGazelle3623
3. 246 views
Why are time periods on the geologic time scale not even in length? (1 point)A. They are based on the thickness of the Earth's
1. 10 answers
2. asked anonymously
3. 51 views
Why are time periods on the geologic time scale not even in length?(1 point)Responses They are based on a different type of
1. 3 answers
2. asked by zeo
3. 40 views
1. Which of the following statements accurately describes the development of the geologic time scale?a. Scientists developed the
1. 5 answers
2. asked by yo
3. 2,427 views
which of the following statements accurately describes the development of the geologic time scale?
1. 7 answers
2. asked by country girl
3. 1,887 views
Recall from previous activities in this lesson which era is sometimes referred to as the Age of Mammals. Locate and click on
1. 10 answers
2. asked by j
3. 2,317 views
Why are time periods on the geologic time scale not even in length?(1 point)Responses They are based on important events that
1. 3 answers
2. asked by Jace R Miller
3. 181 views
The geologic time scale originally ordered Earth's rocks by:A. absolute age B. relative age*** C. composition D. decades and
1. 42 answers
2. asked by Anonymous
3. 16,556 views
Why are time periods on the geologic time scale not even in length?(1 point)Responses They are based on the type of fossils
1. 2 answers
2. asked anonymously
3. 39 views
Why are time periods in the geologic time scale are not even in length?Responses They are based on the thickness of the Earth's
1. 1 answer
2. asked by kippy vr
3. 116 views
Quelle division de l’echelle de temps g’eologique est la plus re’cente?Voici les re’ponses possibles: A. Pre’cambrein.
1. 4 answers
2. asked by Anna💜
3. 251 views
Label the year and name of each geologic area on your geologic time scale. Using the 1 cm = 10 million years scale, figure out
1. 2 answers
2. asked by Ayaka
3. 563 views
How is Earths geologic time scale broken down into different periods?
1. 3 answers
2. asked anonymously
3. 44 views
I have a science project type of thing, I'm not asking for any answers. Just a breif and easier explanation on what to do, any
1. 10 answers
2. asked by river
3. 1,353 views
The geologic time scale originally ordered Earth's rocks by:A. absolute age B. relative age C. composition D. decades and
1. 19 answers
2. asked by Anonymous
3. 3,657 views
Why are time periods on the geologic time scale not even in length
1. 3 answers
2. asked anonymously
3. 78 views
Why are time periods on the geologic time scale not even in length? (1 point)• They are based on important events that
1. 3 answers
2. asked anonymously
3. 53 views
The earth is 4,540,000,000years old. If this number is written in scientific notation, what is the value of the exponent on 10 ?
1. 3 answers
2. asked anonymously
3. 50 views
Which of these facts could you determine by reading the geologic time scale? Select the two correct answers.(1 point) Responses
1. 3 answers
2. asked by Ray
3. 81 views
Why are time periods on the geologic time scale no even in length?They are based on the type of fossils found in rock layers of
1. 3 answers
2. asked by I know where you live!
3. 75 views
What subdivisions make up the geologic time scale? What is the primary basis for differentiating the eras?
1. 1 answer
2. asked by gina
3. 617 views
What are the time divisions that are used for the geologic time scale and what determineshow they are divided?
1. 2 answers
2. asked by Camron
3. 1,213 views
Think about how the geologic time scale was created and how it is divided. Then answer the following questions.How did
1. 2 answers
2. asked anonymously
3. 53 views
Recall from previous activities in this lesson which era is sometimes referred to as theAge of Mammals. Locate and click on this
1. 38 answers
2. asked by Anonymous
3. 6,188 views
1. radioactive decay occurs when atomsA- lose mass B- join with atoms of another element C- break down to form atoms of another
1. 3 answers
2. asked by anonymous
3. 965 views
Why are time periods on the geologic time scale not even in length?(1 point)Responses They are based on important events that
1. 1 answer
2. asked anonymously
3. 55 views
1. radioactive decay occurs when atomsA- lose mass * B- join with atoms of another element C- break down to form atoms of
1. 2 answers
2. asked by anonymous
3. 913 views
1. radioactive decay occurs when atomsA- lose mass * B- join with atoms of another element C- break down to form atoms of
1. 1 answer
2. asked by anonymous
3. 811 views
What is the geologic time scale and what are some thing scientists use it for (at least two things)?Here's my answer could you
1. 2 answers
2. asked by John
3. 805 views
how did geologists determine the divisions of the geologic time scale?
1. 2 answers
2. asked by lyne
3. 628 views
why didn't the early geologic time scale include the number of years ago that events happened?
1. 2 answers
2. asked by Sue
3. 559 views
Recall from previous activities in this lesson which era is sometimes referred to as theAge of Mammals. Locate and click on this
1. 3 answers
2. asked by ms.sue please help
3. 547 views
The Paleozic EraThis era followed the Precambrian time What made it deffernt? What events orrcured. 1 2 3 4 5
1. 3 answers
2. asked by Anonymous
3. 559 views
The time units used by scientists to divide Earth's history are part of the
1. 4 answers
2. asked by Anonymous
3. 454 views
How can scientists use the geologic time scale by sequencing the eventsof the earth in a time line?
1. 1 answer
2. asked by M.
3. 458 views
where does the geologic time scale start
1. 1 answer
2. asked anonymously
3. 11 views
what was the name of the last period of the Paleozoic era and how did it end
1. 1 answer
2. asked anonymously
3. 10 views
Why are time periods on the geologic time scale not even in length?A. They are based on the type of fossils found in rock layers
1. 1 answer
2. asked by Myrtle Cleopatra Skory
3. 36 views
Why are time periods on the geologic time scale not even in length?(1 point)Responses They are based on the type of fossils
1. 1 answer
2. asked anonymously
3. 35 views

Geologic Time Scale

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