Freezing Point Depression - Making Ice Cream

For our final Science Club this semester we made ice cream - thus launching me into the realm of "amazing" and perhaps becoming one of the most popular "club" teachers.

(Thanks to the University of Hawaii, Hilo, science elementary education teaching certificate professors and students "2005-2006"for this idea)

The science is about depression the freezing (and melting) point of ice from 32F to 20 something degrees F by adding salt to the ice.

The ice gets really cold and the bag frosty on the outside.

We didn't get a chance to measure the temperatures but I hope to do this when the Science Club continues next semester.




















http://chemistry.about.com/cs/howtos/a/aa020404a.htm

More Bubble Fun at Science Club

It's the second to the last science club for this semester. We did one more bubble procedure. We made a different recipe of bubble juice and bubble blowers out of rolled up paper. The science part is measurements, shapes (cone) and air pressure, and of course fun. There isn't any formal assessment but my goal is to make science fun. I believe I succeeded.