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00:03:15
Join Dr. Russell Schnell, the director of the Global Monitoring Division of the National Oceanic and Atmospheric Administration (NOAA), as he talks about what it takes to monitor climate change.

00:02:48
The Exploratorium crew got the opportunity to enjoy a bird's eye view of the Black Rock desert. Join us as we investigate the challenges of navigating density altitude in this extreme climate.

00:01:28
Burning Man is a literal hotbed of explosions and fire. Join Exploratorium Senior Scientist Paul Doherty as he looks at the properties that make up fire through the lens of the Burning Man event.

00:25:13
Have you ever wondered exactly what clouds are made of, or what the difference is between a cumulus and lenticular cloud? Clouds are an ever-present, ever-changing part of our natural landscape. They come in a huge variety of shapes and sizes, and capture our imagination with their endless permutations. Join Exploratorium Senior Scientist Paul Doherty for a live Webcast about cloud physics. Paul will discuss the basic makeup of clouds, and explore some of the aspects that make them such a rich part of our daily lives.

00:00:25
An introduction to the Ice Balloons activity, in which learners explore globes of frozen water and learn how to ask and then answer 'investigable' questions.

00:07:39
A detailed demonstration of how to do the Ice Balloons activity, including a discussion of materials needed and strategies for getting learners to ask and then investigate questions about what they are seeing.

00:01:03
The science and pedagogy behind this activity, including a discussion of concepts such as density, temperature, thermal conductivity, center of mass, freezing point depression, heat capacity, and the characteristics of the states of water, water vapor, and ice. Also describes strategies for observing, asking questions, and then choosing a question to investigate further.

00:03:36
To understand how Earth’s climate system has changed over time, scientists need to find, develop and use natural recorders of temperature and precipitation. One natural thermometer comes in the form of alkenones: trans-fats produced by certain algae.

00:23:54
Watch as three giant helium balloons are launched above Antarctica to study climate history; listen as scientists talk about balloon research.

00:00:15
At the Balancing Ball exhibit, a plastic beach ball floats mysteriously several feet above a large plastic cone. Upon closer inspection, the ball is found to be floating on a stream of air blowing out of the cone; visitors interact with the ball, changing its position in relation to the air flow.