Download Erosion

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project

Document related concepts
no text concepts found
Transcript
Room
____ Block ____ ID# ____________
Teacher ______________________________
Name _______________________________
Date: ___ / ___ / ___
Period ____
Erosion
BNE08
While watching, complete this video guide.
Three things I knew
that were confirmed in
the video:
A- ____________________________________________________
B- ____________________________________________________
C- ____________________________________________________
A- ____________________________________________________
but I now know because I
watched the video.
B- ____________________________________________________
C- ____________________________________________________
__
1. Erosion is / is not caused by water, ice, wind, chemicals, and sand.
__
2.
and widening valleys.
__
3. When solids / liquids are carried away by water, it is also considered a form of erosion.
__
4. When liquid water freezes in rock it ____________ and causes rocks to erode by cracking them.
__
5. When rain combines with iron in rock, it forms rust, which is a form of ____________ erosion.
__
6. When softer rock erodes faster than the harder rock above, sometimes a(n) ___________ is formed.
__
7. Wind sometimes picks up sand / boulders and blows them into rocks causing the rock to erode.
__
8.
__
9. When pebbles are hit by waves over thousands of years, a beach of ________________ is formed.
.
__
10. Sand, ________________ and waves hit rocks and smooth out the surface of older rocks.
__
11. ___________ can hold back soil from eroding and also break rocks apart – causing erosion.
__
12. Water flows into cracks of rocks and shrinks / expands when it freezes causing the rock to crack.
__
13. As water flows over rocks, it dissolves minerals causing different ___________ to sometimes appear.
__
14. Pounding water, wind, __________________ and rain are major causes of erosion.
__
15. ____________________ in the air contribute to erosion.
All materials are © 2011 StarMaterials.com and all rights reserved.
Answer Key
See StarMaterials.com/copy for copy restrictions.