Ucar: How Tornadoes Form

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. 

Did you know more than two-thirds of Earth's tornadoes occur in the united States? Watch a video that explains how tornadoes form due to fast moving warm and cold air, and the unpredictability and dangers of twisters.

Take your students on a storm chasing adventure from the safety of the classroom with this short video on tornadoes. From powerful thunderstorms to swirling twisters, this resource explains the necessary conditions and process...

Tornado winds can reach more than 200 miles per hour. Learners explore wind speeds and more characteristics of tornadoes with an online lesson. They learn how tornadoes form and how scientists attempt to predict them. Can be used as an...

Learn how most thunderstorms form with three stages: the cumulus stage when storm clouds form, the mature stage when the storm is fully formed, and then the dissipating stage when the storm weakens and breaks apart.

Weather site for kids provides information as to how lightning impacts our lives. Discover lightning safety tips, how to tell how far away a storm is, how lightning forms as well as read an amazing story about ball lightning.

This learning module looks at how and where tornadoes form, the damage they do, the loss of human lives, the cost, safety measures, what to do when a tornado is approaching, famous tornadoes, the practice of storm chasing, and how...

Learners learn about the causes and properties of tornados. Students create a simulation of a tornado and observe its characteristics.

Weather site for kids provides some interesting information about tornadoes. Discover how they are formed, the average number of tornadoes per year as well as play "Chase the Tornado."

Students discuss the different types of tornadoes and how they form. Working in groups, they record journal entries by conducting experiments with water bottles simulating vortex formation.