Entries by Carl

Anatomy of a chicken egg

I’ve been poking around the internet and books for some cool experiments and information about eggs in general. I came across this really nice breakdown of the various parts of a chicken egg over at edinformatics.com and have duplicated the information below. I’ve always wondered what those white stringy things (Chalaza) are in my eggs […]

How to make a Naked Egg

A “naked egg” is an egg that has no shell. Let me say that again, an egg with no shell. This is not something you normally run across and even when you see a naked egg it’s often hard to understand that even though the shell is gone – the egg stays intact. You might […]

Homemade Ice Cream

Making ice cream at home or in the classroom is easy. With just a few simple supplies you can squish up a batch in just about 15 minutes.

Make a non-toxic lava lamp at home

This is one of our most popular do at home activities! With just a few items from your kitchen you can create a bubbling version of a lava lamp. To get started gather up some vegetable oil, water, food coloring, a plastic bottle and some effervescing (the bubbling kind) antacid tablets.

How to make Slime

Here is our recipe for slime. This polymer goo is similar to flubber and just as much fun. Try making both to see how changing the amounts of ingredients can make a huge change in the end product.

The Amazing expanding bar of soap

Who would have thought that soap could be so much fun? Not only does Ivory soap float in water, but if you heat it in a microwave it will expand into a mass of soap about three times larger than the bar. This experiment also generates some strong soapy smells – so be prepared!