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Static Electricity and Water

Here is a simple physics experiment using a property called static electricity.  Every object is made up of small particles called atoms. These particles are extremely small and you cannot see them without a microscope. There are two types of charges in every atom — positive change(s) and negative charge(s). Only negative charges are free …

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What Is Surface Tension | Cool Science Experiment

Surface tension is the glue that binds water into a cohesive sphere and the force that makes water bead up on a surface. It is one of the amazing properties of water. Surface tension in water is created by the attractive forces between the water molecules It can be broken up. In this experiment, we …

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Do Grapes Sink Or Float? | Salt Water Density Experiment

Do grapes sink or float? Grapes can do both. Whether a grape sinks or floats depends on its density relative to the water it’s in. An object’s buoyancy is determined by its density compared with the density of the surrounding water. Density of water can be changed by adding salt. Let’s try this experiment to …

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Magical Floating Water Trick | 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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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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The Science Of Bubbles – Can You Poke A Bubble Without Popping It?

Little kids love soap bubbles (a lot of grownups do, too!) Blowing bubbles, chasing them, trying to catch them and eventually popping them can provide hours of fun for kids. It’s one of many children’s favorite outdoor activities. Do you know why bubble pop when they are touched? Is it possible to touch a bubble …

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Magnetic Field Force Experiment

Magnetism is invisible, but it’s all around us. There is a giant magnetic field on Earth. In this experiment, we will see a smaller version of magnetic field. We will use iron filings to see the magnetic field in 3-dimension. (Here’s an example on 2-dimensional magnetic force field.) Magnet attracts iron and the magnetism can …

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Why Are Sunsets Red Orange? Science Experiment | STEM (Video)

Have you tried our popular experiment “Why is the sky blue?” experiment? Now the next question is, “If the sky normally looks blue, why are sunsets orange in color?” From the last experiment, we know that when light (representing the sun) passes through a clear fluid (representing air) holding small particles (representing dusts), blue is scattered …

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Water Cycle

What Is Water Cycle? Water cycle is also known as hydrologic cycle or hydrological cycle. It describes how water moves continuously on Earth. Water loops through different stages – evaporation, condensation, precipitation and flow. It then goes back to the evaporation stage. The whole cycle starts all over again and hence the name “water cycle”. Water Cycle …

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