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3rd Grade Science Projects

Skittles Science Project (Candy)

What do you do when there is an oversupply of candies in the house, like the day after Halloween? (yeah, right.) Candy science experiment, of course! This experiment is really spectacular to watch, but the science behind is pretty complicated… actually, I haven’t found a definitive scientific explanation agreed by all authoritative scientists yet. But …

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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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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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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 Poles For Kids | Science Experiment

Playing with magnets is always fun. We bought some very strong magnets recently and they are perfect to show what magnetic field looks like. Magnet attracts iron and the magnetism can act through many materials such as paper.  When iron filings are spread over the magnets, you can see the outline of the magnetic force or …

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