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STEM Activities for Kids (482 results)

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Strong Wind Science: The Power of a Pinwheel
STEM Activity
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4 reviews
Have you ever ridden your bike into a strong wind? If so, did your legs feel like lead? How does this compare to how you feel when the wind is pushing against your back – does that make you feel ready for the Tour de France? In this science activity, you will explore how wind-powered devices, like wind turbines and pinwheels, also react in different ways to the direction of the wind. Read more
Sweaty Science: How Does Heart Rate Change with Exercise?
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11 reviews
Have you ever wondered how many times your heart beats in a year, or will beat throughout your life? Over an average lifetime, the human heart beats more than 2.5 billion times. For a person to keep their heart healthy, they should eat right, not smoke, and get regular exercise. In this science activity, you’ll measure your heart rate during different types of physical activities to find out which give your heart the best workout to help keep it fit. Read more
Teach a Computer to Recognize Road Signs
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25 reviews
How do driverless cars know how to recognize different road signs? They use something called machine learning. In this activity you will teach a computer to recognize different road signs using photos that you take yourself and a tool called Teachable Machine by Google®. The better the training data, the more accurately the program will be able to recognize different types of signs. Read more
Featured
Make String from Algae
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215 reviews
Did you know that the seaweed you've seen in the ocean or even eaten as a snack is inspiring innovators to imagine new materials? Large brown algae, like kelp, contains polymers—long chains of molecules—that are more environmentally friendly than the ones in most plastics. These natural polymers (alginates) could eventually be used to create sustainable everyday objects. Try your hand at using a bit of chemistry to turn biodegradable polymers from algae into your own custom… Read more
The Aerodynamics of Flying a Frisbee
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16 reviews
Are you good at tossing a Frisbee? Have you ever wondered how a Frisbee is able to fly through the air so well? If you can throw a perfect, arcing curve, right on target, you have already trained your arm on the aerodynamics of Frisbee flight! In this science activity, you will investigate how the angle at which you throw the Frisbee affects its flight's direction and distance. Next time you are out tossing a Frisbee, this little lesson in aerodynamics may help make your throws be even… Read more
The Birthday Paradox
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4 reviews
Have you ever noticed how sometimes what seems logical turns out to be proved false with a little math? For instance, how many people do you think it would take to survey, on average, to find two people who share the same birthday? Due to probability, sometimes an event is more likely to occur than we believe it to. In this case, if you survey a random group of just 23 people there is actually about a 50–50 chance that two of them will have the same birthday. This is known as the birthday… Read more
The Bouba-Kiki Effect
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19 reviews
If you had to name some shapes "Bouba" and others "Kiki," which name would you give a pointy shape? How about a rounded shape? Would your friends have the same answers? In this activity, you will investigate the Bouba-Kiki effect to learn more about the human brain's fascinating connection between shapes and sounds. Read more
The Impossible Arrow Illusion
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33 reviews
Make your own 3D printed "impossible arrow" illusion in this fun activity. No matter how many times you spin the arrow around, it always seems to point in the same direction—but its reflection in a mirror points the other way! How does it work? Try it and find out! Read more
The Physics of Football: How Far Can You Throw?
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57 reviews
Have you ever seen a game-winning “Hail Mary” pass in a football game, a baseball player throw in a ball from way out in the outfield, or a soccer goalie punt a ball all the way down the field? All of these actions involve a player trying to throw or kick a ball as far as possible. There is some sports science behind these throws and kicks – how do you know what angle to throw or kick the ball so it will go the farthest? Should you make a shallow throw (straight out, parallel to the ground), a… Read more
The Science of Frescoes
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7 reviews
Have you ever looked at pictures of murals on buildings from hundreds of years ago and wondered how they were created? Fresco is a type of painting that has been used for thousands of years and involves painting on wet lime plaster. This activity explores one aspect of the science behind this unusual technique. See how science can help you become a more versatile artist! Read more
Theme Park Science with Jell-O® Loop-De-Loops
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10 reviews
Have you ever wondered what keeps you in your seat when you are riding a giant loop-de-loop roller coaster? Surprisingly, it is not the seat belt! You are kept in your seat because of something called centripetal force. Centripetal force actually does much more than make a ride on a roller coaster's loop possible — it keeps a satellite in orbit and you in your bicycle when taking a tight curve! In this science activity, you will use marbles and Jell-O® to investigate centripetal… Read more
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