Thermochromic Slime Experiment

Thermochromic Slime Experiment

We’ve all experienced a mood ring change color when you put it on your finger. But have you ever seen slime do that? Thermochromism is the property of substances to change color due to a change in temperature. Here is a DIY to make your own thermochromic slime. What you need: ¼ cup white glue

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Magnets: What's New?

Magnets: What's New?

If you think magnets are already like magic, wait until you get your hands on the newest technology from Polymagnets! This new science has opened minds and doors to applied sciences. Polymagnets created the “maxel”, a magnetic pixel, if you will. It is in the same vein of ideas as 3D printing, but with a

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DIY: Diffusion Science Experiment

DIY: Diffusion Science Experiment

Have you ever stopped to notice the beauty of the swirls of color coming from a tea bag into a hot mug of water? Or had a magnificent smell of freshly baked goods waft its way over to your nose? You were experiencing diffusion. Here is a simple DIY experiment for you to try to

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All About Angular Momentum

All About Angular Momentum

The conservation of linear momentum is easy to see, especially when you play billiards! Collisions or impacts are great examples of the conservation of momentum. But have you ever experienced the conservation of angular momentum? If you are a very talented ice skater, then the answer is probably yes, but for the rest of us

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Microwave Plasma

Microwave Plasma

We go through our daily lives encountering three of the states of matter; solid, liquid, and gas; nearly every moment, but the fourth, plasma, is much rarer for most of us. Plasma can be found around most forms of visible electricity, like lightning, but you can find it inside your microwave if you follow the

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The Physics Behind Curveballs

The Physics Behind Curveballs

With the MLB All-Star Game happening, you might be wondering how curveballs and other pitches actually work. Well wonder no longer because Derrick has the answer for you! It all has to do with the 216 raised red stitches altering the airflow around the ball. If the ball leaves the pitcher’s hands spinning counterclockwise like

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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, but a substance’s density doesn’t have

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Lift: The Key to Flight

Lift: The Key to Flight

A Boeing 747 weighs around 750,000 pounds, so how does it manage to get off the ground? It’s all thanks to a force called lift and something you may be familiar with from other AstroCamp videos: Bernoulli’s Principle. Lift is just the name for the force pushing an object up into the air, but Bernoulli’s

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What’s the Matter: Is Fire a Plasma?

What’s the Matter: Is Fire a Plasma?

Is fire a plasma? Turns out it’s not a trivial question! The answer depends on how you define the parameters of the fourth state of matter. Descriptions of plasma commonly include the following points: plasma is what happens when a gas is subjected to lots of ionizing energy. Although thoroughly ionized, it is quasi-neutral. Its

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Refraction: How To Bend a Laser Beam

Refraction: How To Bend a Laser Beam

Light travels at different speeds through different media. Water slows light down more than air, for instance. Corn syrup slows it down even more than water. In this experiment, we create a gradient solution of sugar water in a tank. As a laser beam travels through the liquid, the changing concentration bends its path! The

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From Apples to Inertia

From Apples to Inertia

One day, Isaac Newton was sitting underneath a tree, and an apple falls and bonks him on the head. In a stroke of genius and coincidence, Isaac comes up with the theory of gravity and the rest is history…or so the story goes. This simple anecdote actually does a disservice to just how much of

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