DIY Eggshell Geodes

DIY Eggshell Geodes

Geodes, seemingly ordinary rocks hiding pockets of crystals inside, have fascinated amateur geologists for centuries, but did you know you can make your own geodes with just what’s in your kitchen? Materials: Eggs Something to hold the eggs (a...

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DIY Polar Opposites

DIY Polar Opposites

Oil and water won’t mix no matter how hard you try. They have different densities and different polarities. But what happens when you mix oil and milk? Milk is an emulsion. It is made of mostly water with lipids throughout. Lipids are organic...

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DIY Limestone Caves

DIY Limestone Caves

Most stone is made over millions of years, cooked in the core of our planet. That stone then erodes over time due to wind, acids found in rain and groundwater, and other natural weatherings. Chalk is a type of limestone formed by the shells of...

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DIY Chemistry: Coca-Cola and Milk

DIY Chemistry: Coca-Cola and Milk

Mixing different liquids together to see what they taste like seems like a part of human nature. But have you ever mixed your favorite drinks together just to see if a chemical reaction will occur? This is an experiment that you can easily DIY...

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The Cleaning Secret of Bleach

The Cleaning Secret of Bleach

If you’ve ever done laundry, you know that bleach stains dark clothes and brightens light ones, but why does it do that? Well, the answer is all down to chemistry. Inside the dyes we use in clothes, food, etc., there are chemicals called...

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What Makes a Hot Air Balloon Float?

What Makes a Hot Air Balloon Float?

It’s one of those basic rules we grow up hearing: hot air rises and cool air sinks, but why is that? If you’ve seen our piece on buoyancy, you know that density is one of the key factors in whether an object sinks or floats in a given substance...

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DIY Soda Battery

DIY Soda Battery

Elementary school students the world over are familiar with potato batteries or lemon batteries, but did you know you can make a battery from soda? With just some wire, two different kinds of metals, and your favorite soda, you can build your own...

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Recycling: Turning Styrofoam to Glue

Recycling: Turning Styrofoam to Glue

Today is America Recycles Day, which you can learn more about recycling here. We wanted to take this opportunity to learn something cool about one of the most heinous landfill residents: styrofoam. This lightweight convenient insulating material...

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The Easiest UV Detector Ever

The Easiest UV Detector Ever

Science is full of words to describe the glowing process. We use bioluminescence for the glimmer of plankton, phosphorescence for the slow, ghostly shine of glow-in-the-dark toys, and fluorescence for pigments that emit light while exposed to...

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DIY Fireproof Cash

DIY Fireproof Cash

We soaked this $5 bill in flammable rubbing alcohol and then lit it on fire. So how did it survive? Does it have something to do with the bill itself? This demonstration is impressive with money, but we haven’t been able to find an example of it...

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DIY Science: Make an Egg Bounce

DIY Science: Make an Egg Bounce

What do egg shells, coral reefs, and human bones have in common? They’re all made of calcium carbonate! This brittle mineral compound dissolves in acid. Try submerging an egg in white vinegar (a mild acid) for 24 hours, changing the vinegar, then...

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