Great STEM lessons encourage creativity, teamwork, and problem-solving. These hands-on STEM challenge ideas focus on those standards, and all come with a free worksheet or printable to include with the challenge! We looked for a good mix of ideas! You'll find a combination of both serious and silly. Some looking at earth science, others focused on coding....

Creating crystals is one of my favorite science experiments! I used to make borax crystal Christmas ornaments when I was a kid too, so this may be one of my longest standing science experiments! Borax makes the best crystals! They are large and form quickly overnight, so its great if your kids (or you!) are...