Why Do Astronauts Exercise At Least Two Hours a Day in Space? - ISS Science

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Why Do Astronauts Exercise At Least Two Hours a Day in Space? - ISS Science

In this episode of ISS Science Astronaut Randy Bresnik explains why exercising in space is so important. Also learn about bone density in a hands-on classroom activity using cereal. Click here for lesson plans: https://airandspace.si.edu/iss-science Science Starters brought you by the generous support of Boeing and produced by STEM in 30. For more Smithsonian Science Starters videos like this one visit: https://www.youtube.com/playlist?list=PL6RlkQnoCx_VahztuZ2xuwn9TO3JKfs1s For more FREE teacher resources from the Smithsonian’s National Air and Space Museum visit STEM in 30, the museum's Emmy nominated TV show for middle school students: https://airandspace.si.edu/stem-30 Follow STEM in 30 on social media: Facebook: www.facebook.com/STEMin30 Twitter: www.twitter.com/STEMin30

4 min 22 sec

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