Austin, TX: Free First Sunday @ The Bullock

Big Bee Bonanza!

Help the Big-Bee project transcribe, measure, and document important bee data. It all helps to save the bees! One precious specimen at a time! Besides being beautiful and amazing creatures, bees are essential to global food production and pollination of both wild and cultivated plants. Unfortunately, bees are decreasing in both numbers and diversity. Our …

Paper Helicopter

It’s a bird, it’s a plane, no it’s a paper helicopter! Construct a simple and sturdy paper helicopter using the template provided. How many different modifications can you make to the rotor to improve your helicopter’s flight?

Salt Crystal Tree

In this activity, you'll perform an experiment on a cardboard tree with water, salt, and liquid bluing. Once you see the salt crystals blooming on the tree--which once started in the liquid as the tree's "roots," you'll witness capillary action in, well, action! The IF/THEN® Collection is the largest free resource of its kind dedicated to …