Popsicle Harmonica and the Science of Sound

Polaroid picture of a sound wave entering an ear. There is a craft stick harmonica underneath. The title reads Popsicle Harmonica. Science of Sound

What is Sound? A popsicle (craft stick) harmonica is a groovy way to demonstrate the science of sound because all sounds are produced by a certain kind of motion. As you stretch a rubber band and then pluck it, the rubber band moves back and forth so rapidly that its motion appears blurred. The sound you hear comes from its …

Catapults for Kids – Capture STEM Fun

Polaroid picture of a Lego catapult with child in the back ground. Caption in Polaroid picture has Capture Summertime Fun with Catapults for the title of the blog post. Groovy Lab in a Box logo is in the bottom right corner and the www.groovylabinabox.com website address is listed along the bottom of the picture. Kid using the engineering design process.

Catapults are fun for kids! Supplement and enrich physics concepts while kids build various catapults and practice their engineering design process skills! Why not build a catapult? Kids love to watch objects fly through the air, across the room or in the yard. Try these easy catapults for kids activities! In addition, the materials are easily found around the house and …

Indoor STEM Activities for Snow Days

Illustration of stained glass snowflakes on a window. The title reads "Indoor STEM Activities for Snow Days".

Most everyone loves the first weeks of winter and even the first few days of a snowstorm, but soon STEMists become bored with cold, winter activities.  Keeping STEMists entertained while they are on holiday, or at home for a snow day, is a test for any parent. Check out these 5 indoor STEM activities that will keep your STEMists entertained, …

3 Groovy Snow Activities

Macro photograph of snowflakes with the title "3 Groovy Snow Activities".

There is nothing better than the first snowfall of the season — crystal sparkles float down from the sky often blanketing the ground. Learn all about the wonders of crystallization, make your own homemade snow and create a delicious dessert with these 3 groovy snow activities. Winter is the perfect time to learn all about the wonders of snow. Snow …

Grow Your Own Groovy Green Roof

Photograph of a hydroponic green roof made of sponges with green sprouts on top.

Did you know you can grow plants without soil? Hydroponics uses water and a growth medium to grow plants. NASA has been researching how to use hydroponics in space. The theme for our October subscription box, Water Works, is about how a future Mars Colony could grow their own food hydroponically. This investigation is all about making your own space …