Science Q3 Sief
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Bedrock | The bottom layer of soil, made mostly of soild rock
🗑
|
||||
| Topsoil | The top layer of soil, made in part from broken pieces of lower layers of rock
🗑
|
||||
| Physical weathering | caused by wind, water, plants, and ice
🗑
|
||||
| Chemical weathering | It occurs when chemicals break up rocks by dissolving parts of them
🗑
|
||||
| Fossils: | Any naturally preserved evidence of past life
🗑
|
||||
| Mold: | An impression of an organism formed when sediment hardens around the organism
.
🗑
|
||||
| Cast: | A fossil of an organism formed when sediment fills a mold and hardens.
🗑
|
||||
| Fossil fuel: | An energy-‐rich resource formed from the buried remains of once-‐living organisms.
🗑
|
||||
| Index fossil: | A fossil of a type of organism that lived in many places during a relatively short time span.
🗑
|
||||
| Mass extinction: | A period during which a large number of species become extinct.
🗑
|
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:
mohamedelhussien
Popular Science sets