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