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…
This NBC News Learn video explains the basic role of pigment molecules -- carotenoids and anthocyanins -- in producing what humans see as color in flowers, as the pigment molecules absorb visible light of various color wavelengths.
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…
A DNA barcode is a DNA sequence that uniquely identifies each species of living thing. Dr. Mark Stoeckle from The Rockefeller University talks about the history of DNA barcoding, from the first paper published in 2003 to the international consortium of researchers that exists today.
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