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You are here: Carl D. Nelson / Science Activities

How to make your own Naked Egg

30 May 2011 / 0 Comments / in Experiments/by Carl

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 I show a naked egg to someone they often just don’t get the idea that the shell is gone – yet the egg stays intact. You might want to check out Read more →

Homemade Ice Cream

06 Jan 2009 / 1 Comment / in Experiments/by Carl

Making ice cream is actually pretty easy to do and you don’t need any fancy equipment if you’re just making small batches for fun. This is a great Saturday afternoon activity. You’ll be surprised at how good it actually tastes. Just keep in mind this is not low-fat low-calorie. In fact you’d be better off calling this the full-fat high-cal version. This recipe is enough for one person to make one dish, but you can always scale it up a bit so you can share with friends as well. Read more →

Make a non-toxic lava lamp at home

06 Jan 2009 / 2 Comments / in Experiments/by Carl

This is a really fun do at home activity. 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. Read more →

How to make Slime

05 Jan 2009 / 2 Comments / in Experiments/by Carl

HHere is a 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 produce. Just be sure you don’t dispose of it down your sink or you will plug your drain for sure! Read more →

The Amazing expanding bar of soap

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05 Jan 2009 / 0 Comments / in Experiments/by Carl

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! Read more →

How to make a shrunken head

30 Dec 2008 / 2 Comments / in Experiments/by Carl

Making a shrunken head for Halloween is fun and it only takes a few items to get started. To create a shrunken head you need just a few items. Gather up an apple, granny smith, red delicious, whatever, pretty much any apple will work. The basic steps for making a shrunken head from an apple are: remove the skin, coat with lemon juice, carve features, soak in saltwater, let shrink for 2 weeks, decorate with optional features. See it’s so easy anyone can do it. Plus if you really mess up you can always eat the apple! Read more →

Create a Gum-drop dome

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26 Dec 2008 / 0 Comments / in Experiments/by Carl

With just a few gumdrops and some toothpicks you can build some pretty cool structures that are amazingly strong yet simple in design.
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Cookie mining

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26 Dec 2008 / 1 Comment / in Experiments/by Carl

Cookie mining is a fun activity that might get you thinking about what it take to mine for minerals in the Earth’s crust. Can you extract the minerals without making a mess or destroying the materials around it?

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Hoop Gliders

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26 Dec 2008 / 1 Comment / in Experiments/by Carl

Hoop gliders are pretty cool cause they look like they shouldn’t really be able to fly as well as they do. Two hoops of paper taped to a soda straw actually fly pretty well. This is a pretty simple activity that you have to try just to see how well it really works! Read more →

Make a balloon flinker

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26 Dec 2008 / 0 Comments / in Experiments/by Carl

A balloon flinker is a fun thing to create if you happen to have some birthday party balloons just floating around the house. The idea is to add just enough weight to the balloon to balance out the lifting force of the helium gas in the balloon. Read more →

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What is this all about?

Hi! I'm Carl Nelson and this is my collection of science activities, videos, photos and other stuff I find interesting. After completing my masters degree in Physics I fell into the world of informal education. I've worked in science centers for the past 16 years and am currently the Chief Scientist and Exhibits Director at Imagination Station, a science center, in Toledo Ohio.

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