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Magical Floating Water | Science Experiment

Can water defy gravity and float in midair? Not really, but with some help, it can appear to be. Air molecules, which we cannot see with naked eyes, are constantly moving and bombarding everywhere. The resulting force is air pressure. Normally, the air pressure above and below the water are the same. When equal forces …

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Volume Exploration And The Scientific Method

Here is a hands-on STEM exercise for kids. It is fun for the kids and very easy to set up. Use everyday items around the house to illustrate science ideas and theories. Explore volume, shape and size The size of a three-dimensional space is called volume. One simple way to find out which container has a bigger …

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How To Make A Compass For Kids

Compasses are a very important tool explorers. They are useful when you go hiking, camping or other outdoor activities. They help you identify directions so you won’t get lost. Compasses work because there is a giant magnetic field surrounding us on Earth. Did you know that it’s very easy to make your own compass at …

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Finding Iron In Breakfast Cereal

Iron is an essential mineral to our body. It is found in every cell and is used to make hemoglobin, the substance in red blood cells that carries oxygen from your lungs to transport it throughout your body. If we don’t have enough iron, our body will show symptoms including lack of energy, shortness of breath, headache, …

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How To Build Simple DC Motor (Video)

Electrical devices such as refrigerator, television and vacuum cleaners require electricity to operate. Do you know how electricity is created? And how do batteries operate a motor? Electricity is created using magnetic field. If you have a strong magnet and a battery, you can make a simple homemade motor. Try this very cool experiment. And …

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The Science Of Bread Baking

Science is all around us. Oftentimes, we apply the principles of physics, chemistry or biology without even knowing. We can all be scientists and we are by observing and studying carefully what happens around us. Baking is a good example. Kids love baking and playing with the dough. Baking bread is full of teaching moments. Try …

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How Many Drops of Water Can Fit on a Penny Surface Tension Experiment

Surface tension is a force that pulls together the outermost molecules of a liquid. It makes water form tiny beads on a leaf and hold a raindrop in the air. It is also why bubbles can form and then burst. Here’s a STEM challenge. This challenge is to see how many drops of water will …

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How To Keep Crackers Dry Underwater | STEM Challenge

Air can exert pressure on other objects. That force is called the air pressure. After shaking a soda can and open it, the soda explodes. That’s air pressure at work. But you don’t have to use a can of soda to see how air pressure works. There are other, less messy ways. In this air …

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Can A Raw Egg Grow? | Science Experiment

In this experiment, we first see an acid-base reaction. Eggshells contain calcium carbonate which is a base while vinegar contains acetic acid. When you submerge an egg in vinegar, an acid-base reaction causes the calcium carbonate to break down into their calcium and carbonate parts. The calcium ions (as in calcium acetate) stay dissolved in …

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Thunderstorm Convection Experiment (Video)

Even though there is a severe drought in the area where we live, thunderstorms are still a common spring occurrence. I have shown my kid how rain was created before. Now she’s curious how thunderstorms form and what causes them. So what is a thunderstorm? A thunderstorms is a storm with lightnings and thunders. What causes …

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Toothpick Star Trick Science Experiment For Kids

Toothpicks are made of dry wood. Using the absorbing property of wood and the surface tension property of water, you can create a fun trick to impress your kids (or friends). In this simple experiment, we will turn broken toothpicks into an expanding star. Before you start, be sure to watch the video below. The …

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2 Light Refraction Experiments

Refraction Of Light Have you ever noticed if you look through a glass of water, the image behind the glass sometimes looks funny or distorted? It’s like the glass of water is playing tricks on your eyes. The trick is actually created by the refraction of light. Light travels at different speed through different materials. …

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Refraction of Light in Water Experiment (Video)

Have you noticed that things look a little funny when you see them through a glass of water?  Some of the aberrations are caused by the imperfection in the glass production. But there is more to it. Refraction is the bending of light as it passes from one transparent medium into another​1​.  This bending by …

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Balloon Rocket Car Race | Propulsion STEM Activity

Propulsion And Newton’s Third Law How do airplanes fly in the sky, ships move in the water and rockets take off into the space? These movements all have one thing in common — thrust. Newton’s Third Law of action and reaction states that for every action, there is an equal and opposition reaction. For every force, …

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