Earth day is April 22, celebrated by people around the world to support environmental protection. It was started in 1970 and is now celebrated in over 192 countries every year as a way to honor both the earth and the concept of peace. Here are fun activities you can do with your friends and family to learn more about earth, science, and the amazing home we live in:
  • The Cloud Tracker is a super-cool way to track cloud cover on photo paper.
  • Solar Cookies are a yummy way to use the power of the sun to cook dessert!
  • Discover how GPS uses triangulation as you learn how to determine the epicenter and magnitude of Earthquakes
  • The Earth wouldn't be here without the sun, so here's how to view the sun safely without damaging your eyes.
  • Did you know that you can track the rotation of the sun?
  • There's 29 Geology Experiments that burn coal, fluoresce minerals, chemically react rocks, streak powders, scratch glass, and play with atomic bonds as you learn how to be a real field geologist.
  • I've put together 34 Earth Atmosphere Experiments for you to play with as you learn about weather, air pressure, and more!
  • Here are 17 Easy Experiments in Alternative Energy to get you started investigating our planet and the many ways we use energy.
  • These 15 Advanced Experiments in Alternative Energy are for older students who want to build robotics from old cell phone parts, battery-free radios, fuel cells, and marshmallow roasters!

When the moon’s minimal, go outside and look up! You don’t even need a telescope. Try to find a space away from city lights, and enjoy it with a friend.


Some meteor showers are more spectacular than others. This one is expected to pick up tonight 4/20 and tomorrow 4/21, and we’re expecting to see between 10 to 20 meteors per hour at the peak. You’ll want to look near Vega, use a stargazing app to help you find it.



Comet Thatcher is the source of the meteors for this particular meteor shower, because every year in late April our planet will cross the path of this comet. The last time it visited the inner solar system was in 1861, so it hasn’t been here in a while, the orbit is about 415 years.


Comets leave a trail of particles, and when the Earth sweeps through that particle trail, we get meteor showers! That’s why meteor showers are stronger some years and not as much in later years. The years they are strongest is when the comet has made a recent pass!


No kidding! With this advanced experiment, you’ll be able to show your friends this super-cool magic show chemistry trick with very little fuss (once you get the hang of it).


On March 14 at 1:59pm, folks from all over the world celebrate “Pi Day” with games, activities, and pie-eating contests. Here are my best resources for showing kids how pi shows up in the real world and also how to learn about pi in a way that not only makes sense but isn’t flat boring.


Pi (p) is a number slightly greater than 3 that shows up when you divide the circumference of a circle by its diameter, no matter what size the circle is. It also shows up in other shapes like spheres, ellipses, cylinders, and cones as well as unusual places like summation series, number theory, probability, bell curves, and the Fibonacci series.


I’ve prepared two different versions that you can access, and each comes with its own video. If this is your first time encountering “pi”, then start with the first one. Otherwise, jump in to the full version and have fun!


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Over the years, I’ve collected quite a stash of activity sheets and games for kids from other sources. I don’t know where they all came from, so please respect their copyright information on the sheet itself when you share with others.