Scales of Wind: teacher key

Hurricanes and Tornadoes, grade 6 edition, written for 6th grade. Hurricanes and tornadoes are measured on two different scales. Learn who made each scale, what each one counts, and how forecasters and families get ready.

Read the book. Print this page for the key.

Questions and answers

1. Who worked out the idea of the hurricane scale?
   • T. Theodore Fujita
   • Herbert Saffir (answer)
   • A weather satellite
2. How does the Enhanced Fujita scale give a tornado its rating?
   • By measuring its eye
   • By studying the damage it left behind (answer)
   • By counting its funnels
3. The Saffir-Simpson scale uses only one measurement. Which one?
   • Rainfall
   • The highest steady wind speed (answer)
   • The size of the eye
4. A tornado has passed and its winds are gone. Which scale can still rate it?
   • The Saffir-Simpson scale
   • The Enhanced Fujita scale (answer)
   • A ruler scale
5. In what year did T. Theodore Fujita develop his scale?
   • 1971 (answer)
   • 2007
   • 1979

Words

• tropical: near the Equator
• eyewall: storm ring
• intensity: strength
• typhoons: Pacific hurricanes
• probes: small tools
• radar: storm-seeing tool