Control a tornado's intensity by manipulating its width and rotation speed.

Flip this interactive card to start learning about tornadoes, nature's most powerful storms. Answer multiple-choice and fact-or-fiction questions and review some fast facts about tornadoes.

This unbelievable photo shows an imposing rolling thunder cloud making its way over a city in the Netherlands. It dumps large amounts of water in the process and unleashes spectacular displays of thunder and lightning.

[Free Registration/Login Required] This flipchart shows and defines different types of clouds.

Find out what factors contribute towards a climate.

Students work in groups to investigate weather and estimating cloud cover. The activity explores estimation, spatial sense, fractions, and patterns. The resource consists of a lesson plan, group activity instructions, lesson overview,...

The National Oceanic and Atmospheric Administration provides a photo library of severe weather formations. Here you can find a photograph capturing cumulus clouds being formed over water.

Interactive science lesson plan that teaches students about the water cycle in relation to mountain ranges and monsoons common in Bhutan. Make a cloud in a bottle!

Pupils track the temperature outside and the types of clouds over the course of a week. They will learn to identify different cloud types and what they indicate about the weather.

[Free Registration/Login Required] A flipchart showing the separate stages of a frontal depression with reference to the weather charts that plot them, diagrams of the air masses that are moved around in them, and also of the cloud...

The National Oceanic and Atmospheric Administration provides a photo library of severe weather formations. This photograph is of several strokes of lightning striking during a nighttime thunderstorm.

Scientists use a variety of tools to reconstruct storms in an effort to understand how they develop. These studies are conducted in an attempt to prepare for future storms. Peer close inside a megastorm, analyze and reconstruct it, and...

Scholastic presents Weather Watch, where you can learn to predict the weather. Learn how to observe clouds, collect data with weather tools, investigate climate conditions, and analyze the weather. The site includes a comprehensive...

Learn what aspects of our planet have an impact on climate. Links to related materials.

Abiotic components are the nonliving components of the biosphere. Chemical and geological factors, such as rocks and minerals, and physical factors, such as temperature and weather, are referred to as abiotic components.

You can find out the conditions for a thunderstorm, the life cycle, types, and wall clouds.

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.

The National Oceanic and Atmospheric Administration provides a photo library of severe weather formations. This photograph is of a tornado in Seymour, Texas highlighting its motion and cloud development.

The National Oceanic and Atmospheric Administration provides a photo library of severe weather formations. Utilizing time-lapse photography, this photograph captures multiple cloud-to-ground lightning strokes during a nighttime...

The National Oceanic and Atmospheric Administration provides a photo library of severe weather formations. Using time-lapse photography, this image captures numerous cloud-to-ground lightning strokes during a nighttime thunderstorm in...

The National Oceanic and Atmospheric Administration provides a photo library of severe weather formations. Utilizing time-lapse photography, this image captures numerous cloud-to-ground lightning strikes during a nighttime thunderstorm...

The National Oceanic and Atmospheric Administration provides a photo library of severe weather formations. Originally appearing in National Geographic Magazine, this photograph captures a lightning strike above Norman, Oklahoma.

The National Oceanic and Atmospheric Administration provides a photo library of severe weather formations. This photograph captures several lightning strikes during an early evening thunderstorm.

The National Weather Service presents this site on synoptic meteorology, large-scale weather systems. Learn about the structure and behavior of the atmosphere, including clouds, precipitation, winds and more. Also includes learning...