Geologic Time
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| show | A record of the Earth's geologic history
🗑
|
||||
| Strata - | show 🗑
|
||||
| Eon - | show 🗑
|
||||
| Eras - | show 🗑
|
||||
| Period - | show 🗑
|
||||
| show | The smallest division of the geologic time scale
🗑
|
||||
| show | Epochs, because epochs are the smallest division of the geologic time scale and are used to describe the evolutionary ups and downs of mammals and birds
🗑
|
||||
| Why do many geologists study layers of strata? | show 🗑
|
||||
| The Triassic, the Jurassic, and the Cretaceous _____ make up the Mesozoic era | show 🗑
|
||||
| show | Epochs, because epochs are the smallest division of the geologic time scale and are used to describe the evolutionary ups and downs of mammals and birds
🗑
|
||||
| The Mesozoic Era was the Age of Dinosaurs, and the current Cenozoic Era is the Age of _____. | show 🗑
|
||||
| Why do many geologists study layers of strata? | show 🗑
|
||||
| show | An eon spans hundreds to thousands of millions of years, while eras span tens to hundreds of millions of years
🗑
|
||||
| show | Helped establish our current understanding of the history of Earth. He studied sedimentary rocks, began comparitive anatomy, named the pterodactyl
🗑
|
||||
| show | Periods
🗑
|
||||
| show | Thought that most of the features on the surface of the Earth were formed by slow, ongoing, geologic processes
🗑
|
||||
| show | The theory that Earth's features are mostly accounted for by gradual, small-scale processes that occurred over long periods of time
🗑
|
||||
| show | Mammels
🗑
|
||||
| How does an eon differ from an era? | show 🗑
|
||||
| Georges Cuvier - | show 🗑
|
||||
| show | The theory that Earth's features are mostly accounted for by violent, large-scale events that occurred in a relatively short amount of time
🗑
|
||||
| show | Thought that most of the features on the surface of the Earth were formed by slow, ongoing, geologic processes
🗑
|
||||
| show | The theory that Earth's features are mostly accounted for by gradual, small-scale processes that occurred over long periods of time
🗑
|
||||
| Today, geologists believe mostly in _____, with a little bit of _____. | show 🗑
|
||||
| James Hutton's theory of _____ earned him the title of 'The Father of Modern Geology.' | show 🗑
|
||||
| Catastrophism assumes that the Earth's landscape was shaped by _____. | show 🗑
|
||||
| show | older
🗑
|
||||
| How did the Bible influence Cuvier's view that the Earth is relatively young? | show 🗑
|
||||
| Relative Dating - | show 🗑
|
||||
| Stratigraphic Succession - | show 🗑
|
||||
| Fossil Succession - | show 🗑
|
||||
| show | Emission of energetic particles to produce new elements
🗑
|
||||
| show | The method of using radioactive decay to determine the age of rocks
🗑
|
||||
| Rock Strata A contains Fossil X. It is below Rock Strata C which contains Fossil Z. Rock Strata B contains Fossil Y. It is above Rock Strata C. Which of the following is the correct order of the fossils (from oldest to youngest)? | show 🗑
|
||||
| In stratigraphic succession, scientists study the various _____ of rock. | show 🗑
|
||||
| Scientists couldn't perform numerical dating of rocks until they discovered _____. | show 🗑
|
||||
| show | Relative dating
🗑
|
||||
| The statement Rock A is seventeen years old is an example of _____. | show 🗑
|
||||
| show | States that all rock layer were originally horizontal
🗑
|
||||
| Law of Superposition - | show 🗑
|
||||
| Principle of Cross-Cutting Formations - | show 🗑
|
||||
| show | Foreign bodies of rock or mineral enclosed within another rock. Inclusions are always older than the sedimentary rock within which they're found
🗑
|
||||
| show | Interfaces between discontinuous layer of rock
🗑
|
||||
| Any fault lines or igneous intrusions that cut across a set of rock strata must be _____ that set of rock. | show 🗑
|
||||
| show | An unconformity
🗑
|
||||
| show | Sedimentary
🗑
|
||||
| show | B, C, A
🗑
|
||||
| Any inclusion found within sedimentary rock must be _____ that rock. | show 🗑
|
||||
| show | A method used to date rocks based on the known decay rate of radioactive isotopes
🗑
|
||||
| Radioactive decay - | show 🗑
|
||||
| show | The unstable nuclide that undergoes radioactive decay
🗑
|
||||
| show | The nuclide that results from radioactive decay
🗑
|
||||
| show | A type of radioactive decay where an alpha particle is emitted
🗑
|
||||
| Beta decay | show 🗑
|
||||
| show | 2 protons and 2 neutrons bound together
🗑
|
||||
| show | An electron that is emitted from the nucleus
🗑
|
||||
| Gamma decay - | show 🗑
|
||||
| Gamma ray - | show 🗑
|
||||
| Radiometric dating is a method used to date rocks based on what? | show 🗑
|
||||
| Which of the following types of radioactive decay does not result in a change in the number of protons and neutrons within a nucleus, but does release a lot of energy? | show 🗑
|
||||
| A large nucleus may get to a more stable state by emitting two protons and two neutrons. This describes which type of radioactive decay? | show 🗑
|
||||
| show | Radioactive decay
🗑
|
||||
| show | The time required for a quantity to fall to half of it's starting value
🗑
|
||||
| A scientist would not be able to use radiocarbon dating to find the age of which of the following samples? | show 🗑
|
||||
| Which of the following terms is used to describe the process by which an unstable atomic nucleus loses energy by releasing radiation? | show 🗑
|
||||
| Which of the following terms is used to describe the time required for a quantity to fall to half of its starting value? | show 🗑
|
||||
| In uranium-lead dating, we see that two unstable uranium isotopes decay into stable lead isotopes. Which of the following statements is true about this decay? | show 🗑
|
||||
| Which of the following statements is true of radiocarbon dating? | show 🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
deleted user
Popular Earth Science sets