Lightning is the most spectacular element of a thunderstorm. Learn how lightning forms, how lightning leads to thunder, and about the types of lightning that occur.
Resource Type: Information
One way clouds form is when Earth's surface is warmed by sunlight, then warm air rises and cools to form clouds.
Resource Type: Information
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An experiment that demonstrates why there are clouds in the sky. Start with air, invisible water vapor, particles we call condensation nuclei, and air pressure...the cloud comes later!
Resource Type: Activities
In this hands-on activity, students experiment to discover how moisture, pressure, temperature, and condensation nuclei play a role in cloud formation.
Resource Type: Activities
Use the Cloud Viewer to explore the clouds and sky outside. What type of clouds do you see? What color is the sky?
Resource Type: Activities
One way clouds form is when air is forced upward by a low pressure system.
Resource Type: Information
How do clouds impact the climate? And how will climate change impact evaporation and precipitation? Discover how rising global temperatures are likely to accelerate evaporation and increase rainfall, but not everywhere.
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Resource Type: Images
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