Science experiments

Fun with Bubbles!

It's time to break out the pans of soapy water for a wet and wonderful outside Bubble Party. You can buy bubble solution, but it's cheaper to make your own. Take a cup of water, 2 tablespoons of light corn syrup, 4 tablespoons of dishwashing liquid, and mix them together gently. Do not mix it so much that it foams.

Pour it into a shallow pan, or seal it tightly to use later. You can either use store-bought bubble wands, or you can twist wire or pipe cleaners into shapes to catch the film. Make sure you keep your hands nice and wet to keep the bubbles from popping, and don't let the little ones drink the bubble mix.

Your Own Little World: Create a Terrarium

Whether it's filled with mossy rocks and ferns or sands and cactus, a terrarium is an amazingly fun way to learn more about nature. With a terrarium in your room, something of the outdoors can always be inside.

Terrariums that feature plants (not animals!) lock water inside to keep the soil moist. When the plants transpire, they let out water vapor. When the soil gets warm, it lets out water vapor. All this vapor collects against the top and falls back as rain.

Bird Watcher

By David Burnie

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Part of DK Publishing's Nature Activities series for the younger crowd. Lots of photos!

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Science Experiments You Can Eat

By Vicki Cobb

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Experiments with food demonstrate various scientific principles and produce an eatable result. Includes rock candy, grape jelly, cupcakes, and popcorn. Suggested for ages 8-12.
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Zoom! Make and Fly a Paper Airplane

There's your basic paper airplane, the one that's folded fast out of sheet of notebook paper cribbed from your buddy. It will go well enough to fly the few feet to the front of the class --not that we at the library are promoting any such thing, mind you! But the design of your basic paper airplane lacks features that could carry it higher and farther than you might imagine.

Simple Science Experiments with Circles

By Eiji Orii and Masako Orii

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Presents experiments demonstrating properties of circles and loops made of cloth, paper, and string.
Part of the series, Simple Science Experiments.
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Abracadabra!

The purpose of magic has changed since temple priests in ancient times used mechanical devices to make wine pour from statues' mouths and doors open with the sound of thunder. Entertainers in the Middle Ages would try other techniques such as sleight of hand to mystify the crowds as they traveled from city to city.

The Power of Magnetism

What do the Earth, electric motors, and your computer all have in common?
These things are all influenced by magnets.

The Earth has a liquid metal core that acts like a bar magnet. It gets its magnetism from being near electrical currents beneath the surface. Because the Earth is not perfectly shaped, every so often the direction of the field will change. Scientists have found evidence that this has occurred at least 171 times over the past 71 million years. How do they know that? Magnets!