How to Make Salt Crystals

Making salt crystals is really easy, though it does take some time, and it’s a great activity to teach kids about evaporation and the formation of crystals. Add it to your water cycle unit or just do it any time you want to do a little kitchen science.

You already have all the materials you need to make salt crystals, and this post from Science Sparks tells you all about how to do it.

You can even make them different colors if you want by adding food coloring.

Head to her blog for all the details and an explanation of how it works.

[Photo: Science Sparks.]

Check out this article on the best STEM gifts for kids.

Check out our Online store for special buys on Educational gifts We find bulk items and end-of-stock supplies to bring you heavily discounted items. (make sure you check our store often so you don’t miss out on new stock). We also have some free printable files, including a Science PDF for learning about Microscopes.

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St. Patrick's Day STEM Project Ideas

Holidays are a great time to pull in some themed STEM projects. Even kids who aren’t usually into science can get excited about making a reindeer fly or making a Christmas tree out of 3D shapes. Check out these fun Christmas STEM activities to try in your classroom or at home.

Speaking of making reindeer fly, there are lots of different takes on this engineering challenge. In the instructions from The Educator’s Spin on it, kids make a reindeer from recycled materials, then use a string to make it “fly.” You can also do this with a balloon, like in this version from Team Cartwright.

And that Christmas tree project? That one is from Steamsational, and it calls for making a bunch of 3D triangles you then assemble into a tree. The post includes all the tips you’ll need and a printable template for making the triangles.

Another cute idea from Steamsational is making Santa’s sleigh out of an egg carton. Give kids design challenges such as that Santa must stay in the sleigh, it should be able to move and pull weight. It’s so fun to see what kids come up with.

Science Sparks has a printable book full of Christmas-themed experiments with templates kids can cut out and use to make spinning sleighs, shadow puppets, a paper tube to test how much weight it can hold and more. These activities are really low prep beyond the printing, so they’re great when you need to fill a little time at home or at school.

If you have Legos and jingle bells you can make a simple engineering challenge by having kids build mazes that the bells can roll through. Get the details from Innovation Kids Lab. (And check out this fun book of Lego Christmas ornaments!)

Of course you can also put a Christmas spin on classic STEM activities, like making a baking soda volcano in a plastic or glass ball ornament (Little Bins for Little Hands), red and green magic milk (Fun Learning for Kids), Borax crystal ornaments (Go Science Kids) and more!

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