Arizona Center for Afterschool Excellence (AzCASE) — See 50 STEM Experiment Ideas
50 STEM Experiment Ideas for Kids
These 50 science fair project ideas are all great for kids- early and older elementary school students, with a few suitable for middle school students as well. Make a topic that fascinates you, come up with a hypothesis, and see what happens next!
Plus, once you’ve chosen your topic, use this science fair project how-to video from NASA as a helpful guide.
Important note: Some of these science fair projects require the help or supervision of an adult.
1. With this science fair experiment, you can learn what factors affect melting ice.
2. Try this magic milk experiment for an easy science fair project that younger students can accomplish.
3. How much sun does a seed need to sprout? Discover the answer by trying this project you can easily complete from home.
4. Build your own water clock and see how well you can get it to measure time.
5. If you’re interested in a little microbiology, try out this egg cell experiment.
6. What’s the best way to prevent apples from browning? Find out for yourself and make sure to record the results.
7. Do birds eat more food if it is a certain color? Find out with this intriguing experiment.
SPACE + FLIGHT
BLACK HOLE APOCALYPSE
Take a mind-blowing voyage to the most powerful and mysterious objects in the universe.
Where in the World Image Quiz
Grade Levels: 5-8, 9-12
Using astronauts’ photography, you can test your geography skills with pictures of Earth from space. This quiz has images of countries, geographical features, landforms, and bodies of water. How many can you name?
2022 Best STEM High Schools – Way to go Arizona!
2022 Best STEM High Schools – Way to go Arizona!To determine the top science, technology, engineering and math schools, U.S. News looked at the top 1,000 public schools from our latest Best High Schools rankings, and then evaluated their students’ participation and success in Advanced Placement science and math tests.
Why do fingers get wrinkly after a long bath or swim? A biomedical engineer explains
By Guy German, Binghamton University, State University of New York
Skin is an awesome and weird organ. As the body’s biggest organ, it does a lot to look after you, protecting you from the outside world of sunlight, harsh chemicals, nasty germs, and severe cold. And it does all this while keeping water inside your body and enabling the sense of touch.
I’m a biomedical engineer. My research team and I try to better understand the mechanics and function of soft biological tissues.
We know skin wrinkles as you get older or when you pinch it between two fingers. But it’s been somewhat of a mystery why skin gets wrinkly and even sometimes changes color after you take a leisurely bath or spend too long in the swimming pool.
Often people assume that these wrinkles form because the skin absorbs water, which makes it swell up and buckle. To be honest, I did too for a long time.
But researchers back in the 1930s discovered that in people with nerve damage in their fingers, the post-bath wrinkles didn’t form. Wrinkly fingers can’t just be due to water absorption then, or this would be a universal phenomenon, no matter how well your nerves are or aren’t working.
So, if it isn’t swelling due to water, then what is behind pruny fingers and toes after a long swim? Scientists have recently discovered what they think is the answer.
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