Changes to the Earth's Surface

http://www.ready.gov/natural-disasters

http://www.weather.com/glossary/

http://news.bbc.co.uk/2/hi/science/nature/4588149.stm

http://kids.discovery.com/tell-me/curiosity-corner/earth/natural-disasters/how-landslides-work

http://www.kidsgeo.com/geology-for-kids/0071-landslides.php

http://www.kidsdiscover.com/spotlight/caves-for-kids/

http://www.soils4kids.org/about

http://www.bbc.co.uk/science/earth/natural_disasters

 http://kids.britannica.com/comptons/art-53929/How-the-Rocky-Mountains-were-formed

http://www.ducksters.com/science/earth_science/mountain_geology.php