by Tami O’Connor
Many years ago at Educational Innovations we had heard rumors that our wonderful goldenrod paper that served as an easy to find indicator paper was being discontinued for environmental reasons. If you haven’t seen it before, it is was a golden-yellow paper that turned a deep red when it came in contact with a base like washing soda or Windex®. The process was reversed if an acid such as vinegar was sprayed on the paper.
13 Comments | 
Chemistry, Elementary level, experiments, Middle School level | Tagged: acid base indicator, goldenrod paper, homeschool, parent friendly, turmeric powder | 
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Posted by Tami O'Connor
Sticking Your Nose Where It Doesn’t Belong!by Ted Beyer
At Educational Innovations, our management staff meets often to coordinate all of the goings-on here. All sorts of topics come up, both business related and science related.
More than two years ago, our Director of Operations, Ken Byrne, shared a story with us relating to his brand new travel-style coffee mug, which he had gotten as a gift. I am sure you have run into these things many times – an insulated vessel with a liquid/air-tight cap. The cap, of course, has a hole along one edge for you to drink your beverage.
He was trying to drink his coffee, but, every time he tried, nothing would come out. He kept thinking that he must be using his new mug incorrectly – perhaps he had missed an instruction or technique unique to this cup that was designed to help prevent spills or something. No, no, that could not be it — he could pour it out, easily enough, but whenever he brought it to his lips to drink – nothing…
9 Comments | Elementary level, Middle School level, Physics | Tagged: air pressure, homeschool, parent friendly, PBL, phenomenon based learning, phenomenon-based science, science, tornado tube, vortex connector | Permalink
Posted by Tami O'Connor
