Science Fossils
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| fossil | the trace or remains of an organisms that lived long ago, most commonly preserved in sedimentary rock
🗑
|
||||
| petrified fossil | happens when an organism's tissues are replaced by minerals
🗑
|
||||
| mold | forms when hard parts of an organism are buried in sediment, such as sand, silt, or clay
🗑
|
||||
| casts | forms as the result of a mold. minerals and sediment that are left in the mold make a cast. a cast is the opposite of a mold
🗑
|
||||
| carbon films | thin layer of carbon left behind can show an organism's delicate parts, like leaves on a plant
🗑
|
||||
| trace fossil | is a fossilized structure that formed in sedimentary rock by animal activity on or in soft sediment
🗑
|
||||
| preserved remains | remains of organisms are preserved in substances such as tar, amber, or ice
🗑
|
||||
| paleontologist | scientists who study fossils
🗑
|
||||
| fossil record | all the information that paleontologists have gathered about past life
🗑
|
||||
| evolution | gradual change in living things over long periods of time
🗑
|
||||
| extinct | no longer exists and will never again live on Earth
🗑
|
||||
| uniformitarianism | geological process that happened in the past are explained by current geological processes (volcanoes)
🗑
|
||||
| unconformity | is a break in the geologic record that is made when rock layers are eroded or when sediment is not deposited for a long period of time
🗑
|
||||
| Rock cycle | Series of process In which rocks form, changes from one type to another, is broken down or melted, and forms again by geologic processes
🗑
|
||||
| Compaction | Is a process where layers build up as pressure increases the bottom layers stick together to form solid rock
🗑
|
||||
| Sedimentary Rocks | Made by compaction and cementation, forms when sediments are compacted together by pressure and are cemented together when minerals form from solutions
🗑
|
||||
|
🗑
|
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:
SSC 8th LA
Popular Science sets