Weather
General Weather
 
WEATHER WIZKIDS: Weather Forecasting 
 
 
Earthquakes
 
EARTHQUAKES: 
 
Tornadoes
 
The Mystery of Tornadoes (youtube video of a tornado researcher) 

http://scijinks.jpl.nasa.gov/tornado-samaras/ 
How do tornadoes form? (a TedEd video) 

http://ed.ted.com/lessons/how-do-tornadoes-form-james-spann 

 

Tsunamis

Hurricanes
Droughts

Floods