Geologic Times:)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Cenozoic | The cenozoic era has two period and it is the Quaternary and the Tertiary and the years is to 38-to present day.and there is some more stuff and there is Epoch is holocence, ect.
🗑
|
||||
| Mesozoic | The mesozoic era has three period and it is Cretaceous,Jurassic,and triassic and it started 208-65yrs and they didnt have no Epoch in thid time.
🗑
|
||||
| Paleozoic | The paleozoic era it had six period and it is Prrmian,caronierous,Devonian,Silurian,Ordavician,Cambrian and it started 505-245yrs.Then it is does not have Epoch in this period and there is a diffrent events in this period.
🗑
|
||||
| Proterazioc | I dont know the period or the Epoch. in this year it started in 544-2500 and the event is multicelled organisms.
🗑
|
||||
| Molds & Casts | Acids eat away the skeleton or shell and leaves an impression (Molds)in the rock.If the molds fills with manerals, it becomes a cast.
🗑
|
||||
| Tracks & Trails | Imprints are left in mud, which later hardens. Dinosaur tracks are fairly common.
🗑
|
||||
| Carbonization | Oils leaes the plant,and the remaing matter becomes a layer of carbon;in other cases, nitrogen,hydrogen ,and oxgen are distllied from the plants.
🗑
|
||||
| Petrifaction | Minerals in the plant cells crystallize;minerals enter opening or cavities in shells or bones. Common with plants.
🗑
|
||||
| Replacement | Object bured in mud has its molecues replaced by minerals. It is Rare in places.
🗑
|
||||
| Recrystallization | mineral aragonites in shells truns into calcite. Preserves the general shapes of the animals.
🗑
|
||||
| Soft Tissue preservation | Mummification,frozen in ice. Fossils are reativel young and do not last long.
🗑
|
||||
| Traps | Whole organismms locked in tar pits,asphalt,amber,ect.
🗑
|
||||
| Archaean | It dont have a period or Epoch in it but it started in the 2500-3800 and the event is single-celled oraganisms.
🗑
|
||||
| Hadean | This is when the earth started and it started at 3800-4500 and the event i dont know what it is.
🗑
|
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:
victoriacoffin20
Popular Science sets