fossils and stuff
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Paleontologist | a scientist who studies fossils
🗑
|
||||
| Relative Age | the age of something compared with the age of something else
🗑
|
||||
| Principle of Superposition | that in undisturbed layers of rock the oldest are on the bottom and getting younger toward the top
🗑
|
||||
| Mold | cavity in rock left when the hard parts of an organism decay
🗑
|
||||
| Cast | a type of fossil that forms when sediments fill the mold and harden into rock
🗑
|
||||
| Index Fossil | remains of a species that existed for a relatively short period of time,were abundant,& widespread geographically can be used to assign ages of rock layers
🗑
|
||||
| Trace Fossil | fossilized tracks/ other evidence of activity of organisms
🗑
|
||||
| Unconformity | gap in the rock layer that is due to erosion or period w/o any deposition
🗑
|
||||
| Original Remains | when conditions allow original soft parts of organisms to be preserved for thousands or millions of years
🗑
|
||||
| Fossil | remains,imprints, or traces of prehistoric organisms
🗑
|
||||
| Permineralized Remains | fossils where spaces inside are filled w/minerals from ground water
🗑
|
||||
| Carbon Films | when a thin film or carbon residue forms when a silhouette of the original organism;carbonized plant becomes coal
🗑
|
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:
rconner
Popular Earth Science sets