Found 30 - 40 results of 89 programs matching keyword "mapping the sea floor activity"
An introduction to a crowd-pleasing noisemaker called a sound sandwich, which you can adjust to raise or lower its pitch. A detailed demonstration of how to make this primitive wind instrument using little more than a straw, two craft sticks, and some rubber bands. The science behind this instrument, including a discussion of how vibration produces sound, and how long, massive objects vibrate slowly and produce a low-pitched sound, while shorter, less massive objects vibrate quickly and produce a high-pitched sound. Scientists at Palmer Research Station in Antarctica talk about their research: How is the rich marine ecosystem just offshore responding to melting sea ice and global climate change? Join Exploratorium senior scientist Paul Doherty as he serves up more hands-on activities related to science in Antarctica. Join us in conversation with David Ainley and other researchers, as they wrap up there field season at the Adelie penguin breeding colonies in Antarctica’s Ross Sea. Penn State University glaciologist Dr. Richard Alley explains why ice is cool. Join Exploratorium senior scientist Paul Doherty as he serves up hands-on activities related to science in Antarctica. Footage of a small gray whale in the Chukchi Sea near the Barrow shoreline. Join Senior Scientist Paul Doherty as he explains the difference between floating ice and land ice, and why they effect sea levels differently.