Tornadoes GLCE: E.ES Describe severe weather events November 11, 2010

Outcomes  Students will be able to explain how a tornado forms.  Students will be able to define vortex, funnel, waterspout, thunder clound.  Students will be able to recognize what a tornado looks like.  Students will be able to describe how a tornado forms.

Engage  d[channel]=tornadoes d[channel]=tornadoes  What did you see in the video?  What do you know about tornadoes?

Explore: Vortex Activity Materials Needed:  1 plastic clear cup per student  1 spoon per student  1 drop of food coloring per student  Water Procedure  Fill cups up 2/3 of the way full.  Tell students to stir the water with their spoon  Teacher will come around and drop food coloring in each students cup.

Explore Cont.  Demonstrate a tornado using the 2 liter bottles.  Materials:  (2) 2 liter bottles  Water  Food coloring  Duct tape  Fill 1 of the bottles 2/3 full of water. Add one drop of food coloring. Place other bottle upside down to connect together. Duct tape the openings.

Explain  Read section from the book Hurricanes and Tornadoes by Terry Jennings  Then complete worksheet as a class.

Elaborate  Draw a tornado and write a sentence to describe a tornado.  Have students present their drawing and sentence to the class.

Evaluate

References  Writing Paper: as=cornell-lined-paper.jpg  Experiment: 955/how_to_make_a_tornado_in_a_bottle_g reat.html Information: