The Tacoma Narrows Bridge is a pair of twin suspension bridges that span the Tacoma Narrows strait of Puget Sound in Pierce County, Washington. The bridges connects the city of Tacoma with the Kitsap Peninsula and carry State Route 16 (known as Primary State Highway 14 until 1964) over the strait. Historically, the name "Tacoma Narrows Bridge" has applied to the original bridge nicknamed "Galloping Gertie", which opened in July 1940 but collapsed because of aeroelastic flutter four months…
Step-by-step instructions to make three different pinwheels, each with a unique blade design, and then test how fast each pinwheel spins. By following the steps in this fun science activity video, you will discover how pinwheel blade shape relates to turning speed and understand the connection between pinwheels and wind turbines.
Is this shape a circle, a square, or both? The 3D printed "ambiguous cylinder" illusion by Prof. Kokichi Sugihara seems impossible. Learn how it works and how to make your own at Science Buddies: https://www.sciencebuddies.org/stem-activities/ambiguous-cylinder-illusion?ytid=mn_-XdmyMuA&ytsrc=description Short version of the video: https://youtube.com/shorts/fYJolHtgWuw
Also check out the Impossible Arrow illusion: https://youtu.be/D54yMlIMN80
Science Buddies also hosts a library of…
What is the Carbon cycle? The carbon cycle is one of several biogeochemical cycles found on Earth. Carbon is found in almost all living organisms and makes up around .04 percent of our atmosphere.
What are the steps of the carbon cycle and how does the Carbon cycle work?
Carbon may travel several paths including,
The atmosphere, the terrestrial biosphere, the earth’s interior which includes the lithosphere, the ocean, and human influence like burning fossil fuels and other objects that store…
How do engineers solve problems? They use the engineering design process to create the best possible solution. We’ll show you how to do it step-by-step as we prepare to send our eggstronaut on an interplanetary mission. You can find more information about each step of the process at https://www.sciencebuddies.org/science-fair-projects/engineering-design-process/engineering-design-process-steps?ytid=fuwGvZ-eOrc&ytsrc=description
Science Buddies also hosts a library of instructions for over…
Do you know what a thaumatrope is? It is a fun toy and the great-grandfather of the modern cartoon! This video will show you how to make and test your own thaumatrope and will teach you a little bit about how our vision works, too! Written instructions are available on our website at https://www.sciencebuddies.org/stem-activities/thaumatrope?ytid=YDrcVgKGp_0&ytsrc=description
Science Buddies also hosts a library of instructions for over 1,000 other hands-on science projects, lesson plans, and…
In the slums of Lima, he's found a way to turn fog into water.
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Students use water balloons and a length of string to understand how the force of gravity between two objects and the velocity of a spacecraft can balance to form an orbit. They see that when the velocity becomes too great for gravity to hold the spacecraft in orbit, the object escapes the orbit and travels further away from the planet.
View the full activity on TeachEngineering:
https://www.teachengineering.org/activities/view/cub_mars_lesson04_activity1
TeachEngineering has over 1,500…
The "impossible arrow" illusion by Prof. Kokichi Sugihara seems to break the laws of physics. The arrow always seems to point in one direction when you try to rotate it, but its reflection in a mirror points the other way! Learn about the illusion, how it works, and how to make your own 3D printed impossible arrow at Science Buddies: https://www.sciencebuddies.org/stem-activities/impossible-arrow-illusion?ytid=D54yMlIMN80&ytsrc=description Short version of the video:…
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