Mon, Apr 16, 2012 2:55 AM in Chemical Reaction
Creating "gas heads" with latex gloves, baking soda and vinegar is a good visual for a lesson with concepts of edothermic and exothermic reactions. Students with latex allergies can act as observer/notetakers. It works best when the baking soda is spooned into the thumb space and closed off with a twist tie before adding 1/2 teaspoon of vinegar to each of the finger spaces. Tie the wrist opening i...
View Full Post
Tue, Apr 03, 2012 12:22 PM in Flight: Gliders, Planes, Balloons
I like to introduce flight with simple "bunny ear" paper helicopters. The students are so sure they will not fly, their amazement at the height and distance they can achieve is fun to watch. With assistance from a slight breeze, the 'copters spinning flight path will have the students running the length of the playground to catch up with them.
View Full Post
Sat, Mar 24, 2012 2:38 AM in Chemical Change Unit for elementary
K-5 grade students enjoy eating the results of their inquiries when chocolate chips are used to explore physical changes, changing mass with hand-action choppers,yet they are still discrete, identifiable pieces and chemical changes when those smaller pieces are added to cookie dough and become liquid spots of chocolate.
View Full Post
View all posts by Sharon