April 20 - All libraries closed for Easter

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Science Saturday -- Eggsperiments

by: 
Jessie, Columbine Library

(Super cheesy, I know. I couldn't resist)

Here are a few eggy experiments to help you celebrate Easter weekend:

Suck an egg into a bottle (from The Naked Scientists): You'll need a hard boiled egg, a bottle with a slightly smaller neck, a little oil and a match (or you can try it with boiling water). You'll light the match and put it in the bottle, with will warm the air inside and cause it to expand. As the air cools, the egg will be sucked into the bottle. Read through the link for full directions, as well as instructions for getting your egg back out again.

Egg Geodes (from The Happy Scientist): You'll need clean egg shells and an egg carton to hold them, epsom salt, food coloring, and hot water. You'll finish with cool crystalized eggs. Read through the link for the directions.

Naked Egg or Rubber Egg (from Steve Spangler Science): You'll need an egg, a glass, and a lot of vinegar. Basically, you let the egg sit in the vinegar until the acetic acid in the vinegar reacts with the calcium carbonate in the egg shell and breaks it down. I saw a few other websites that said you could bounce it against your table, but do so at your own risk! Read through the link for full directions.

What other experiments can you think of?