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Family Math: Making a Geodesic Dome from Straws

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The above photos were taken during the creation of a geodesic dome as a family math and science activity over spring break. The dome resembles the dome created in the "Dome Sweet Dome" math Project Idea, but we used straws instead of newspaper, a different assembly process, and threw in some duct tape customization for visual effect.

A model dome like this can be made in any size (as long as you figure out the relative lengths of the struts). This one is pretty big! Getting it in the car was definitely a challenge. The dome didn't weather its time squooshed in the trunk very well—a reminder that inexpensive plastic straws bend and/or crack under too much stress. (Stress-testing the strength of geodesic dome was not really our ultimate goal.)

Building the dome was a great hands-on math exploration project, but it took a good bit of time to work through all the necessary steps to prepare the struts for assembly. Each of my kids enjoyed different aspects of the project, but watching it come together in the end was awesome!



What does your science project or family science activity look like? If you would like to share photos taking during your project (like the photos you may have put on your Project Display Board), we would love to see and possibly showcase your science or engineering investigation here on the Science Buddies blog! Email us at blog@sciencebuddies.org.

Science Buddies Science Activities

Science Buddies and Autodesk for Student STEM Exploration


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With a smorgasbord of fun, engaging, playful, and puzzling modules available as part of the Hour of Code initiative, kids can experiment with programming basics and sample Javascript, Python, Ruby, and more.

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The Samsung Solve for Tomorrow Contest gives U.S. secondary public schools a chance to use STEM to help address problems affecting their students and communities--and a chance at a share of $2 million in technology.

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Are the seeds in your watermelon playing hide-and-seek? Can plants grow without soil? The plant world offers a cornucopia of mysteries that are ripe for investigation.

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Science Buddies in Action: For a third grade student with an interest in science and pinewood derby cars, the Maglev Train project combined a fun DIY activity with engaging science.

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With support from Amgen and the Lawrence Hall of Science, high school biology in the Bay Area has gotten a world-class boost of biotechnology. The Amgen Biotechnology Experience gives teachers and students the opportunity to experiment with sophisticated hands-on science...

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The Rosetta spacecraft may help provide information about the formation of the solar system and planet Earth. Students and classes explore comets and space science through hands-on science projects.



Your Science!
What will you explore for your science project this year? What is your favorite classroom science activity? Email us a short (one to three sentences) summary of your science project or teaching tip. You might end up featured in an upcoming Science Buddies newsletter!



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