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00:05:23
Our host, Stephanie Chasteen, shares some more fun facts and activities having to do with the science of sound.

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.

00:08:30
TI staff educator Lori Lambertson explains her philosophy of integrating math and science in the classroom, and how she puts it into practice.

00:22:45
Join Exploratorium Senior Scientist Paul Doherty and visiting scientist Alfredo Mateus for an exploration of hands-on demos. In today's webcast, Paul and Alfredo will be looking at a voice activated chemical reaction and what happens when you heat plastic in water!

00:53:51
On May 11, 2009, the space shuttle Atlantis was launched from the Kennedy Space Center and docked with the Hubble Space Telescope 360 miles above the earth. During Servicing Mission 4 (SM4), astronauts installed new, cutting-edge scientific instruments and replaced gyroscopes, batteries, and other equipment. After a difficult but very successful upgrade of the telescope, the astronauts released Hubble on May 19. The Exploratorium Webcast team will bring you two live Webcasts (May 20 & May 23) about this arduous mission and the future of the telescope.

00:32:23
On May 11, 2009, the space shuttle Atlantis was launched from the Kennedy Space Center and docked with the Hubble Space Telescope 360 miles above the earth. During Servicing Mission 4 (SM4), astronauts installed new, cutting-edge scientific instruments and replaced gyroscopes, batteries, and other equipment. After a difficult but very successful upgrade of the telescope, the astronauts released Hubble on May 19. The Exploratorium Webcast team will bring you two live Webcasts (May 20 & May 23) about this arduous mission and the future of the telescope.

00:08:53
A story can help make a subject come alive for your students. TI teacher coach Carol Murphy talks about the myriad ways she’s used storytelling in her science classes.

00:08:15
Paul Stepahin is an Exploratorium exhibit developer who has a background in physics. He's worked on exhibits such as Elephant Turntable and Additor. Paul's knowledge and love of computer science and complex math has made him a resource for Exploratorium staff. In this program, Paul discusses the theoretical math P versus NP problem.