In our lesson on Earth as a system we learned that rain, snow and ice can be considered part of the hydrosphere. Watch this video about hail the size of baseballs.
http://video.nationalgeographic.com/video/science/earth-sci/samaras-hail-storm/

Rock Cycle

Here is a link to an interactive website on the rock cycle. I think it provides a very good explanation of how the 3 types of rock interrelate with each other.http://www.harcourtschool.com/activity/science_up_close/506/deploy/interface.swf

Here is a link to a Brainpop on Hurricanes. Typhoons and hurricanes are pretty much the same phenomenon. They're called different names depending on what part of the world you're referrring to.
http://www.brainpop.com/science/weather/hurricanes/

Severe typhoon in the Phillipines

One of the largest storms to ever make landfall reached the Phillipines. We can sympathize with the Phillipine people in light of our own experiences with Hurricane Sandy. I've posted a link to CBS News for you.
http://www.cbsnews.com/8301-202_162-57611452/one-of-worlds-strongest-storms-hits-philippines/