World's most versatile flashcards

or...
Reset Password Sign Up

4th Grade Science

        Help  

Question
Answer
hurricane   a dangerous storm made up of swirling bands of thunderstorms with speeds at least 117 km/hr  
Tropical depression   a low pressure air mass that froms over warm water and has swirling winds that can be as strong as 61 km/hr  
Tropical storm   a low pressure air mass that forms over warm water and has swirling winds that are more than 61km/hr but less than 119 km/hr  
Storm Surge   water pushed ahead onto shore by a the winds outside the eye wall of a hurricane  
What is the source of a hurricane's energy   The transfer of the heat from the warm ocean water into the air  
How does a hurrican cause damage   Strong winds; flooding; mudlides; storm surges & strong waves  
What types of information can hurricane model give?   Strength, direction, and speed  
Tornado   a rapidly spinning column of air that comes down out of a thunderstorm cloud and touches the ground  
Vortex   a spinning funnel-shaped are in a fluid  
Caracteristics of a tornado   Forms over land; hundreds of METERS across; lasts only a few minutes  
Characteristics of a hurricane   forms over water; hundreds of KILOMETERS across; can last for days  
tornado watch   tornados are likely to form within a few hours  
tornado warning   a tornado has been detected on radar  
dust devil   column of whirling air - NOT A TORNADO - not part of a thunderstorm Common where columns of hot air rise  
waterspout   a rapidly spinning column of air over a lade or ocean. Usually weaker than tornados  


   


 

 

 

 

 

 
Follow us on Twitter
Be a StudyStack fan on Facebook
www.eapps.com




Copyright ©2001-2009 John Weidner All rights reserved.
About -  Terms of Service -  Privacy Statement