Activity
NOAA

Tornado in a Bottle

For Students 3rd - 5th
Studying the science of tornadoes? Make a tornado in a bottle to demonstrate how vortexes are formed in tornadoes. The activity should be used as a way to demonstrate what pupils already know about tornadoes. 
Activity
Read Works

Read Works: Earth Science Tornadoes

For Teachers 5th Standards
[Free Registration/Login Required] An informational text about tornadoes. A question sheet is available to help students build skills in reading comprehension.
Activity
Teachers.net

Teachers.net Lesson: Natural Disaster Bloom's Taxonomy

For Teachers 3rd - 5th
Here is a lengthy activity for student to work on while learning about floods, hurricanes, tornadoes, and earthquakes. Students will enjoy researching these disasters and applying what they have learned to a project.