SciShow
The Surprisingly Useful Physics of Desk Toys
How do Newton's Cradles connect to cancer treatments? Let's unpack the physics of some of our favorite desk toys, from dippy birds to perpetual motion machines, and explore how these scientific principles can be used beyond an office desk.
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Using a Bunch of Mousetraps to Explain How Pandemics Work (feat. @theslowmoguys)
Since the start of the coronavirus COVID-19 pandemic, the term “herd immunity” has been all over the news. But what does it really mean? One thing most people don’t realize about vaccines is that they aren’t just to protect the person...
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From Gardens to Labs: Uncover the Math Behind Scotts Miracle-Gro
Ever wondered how math helps grow beautiful gardens and thriving lawns?🌻 Join us on a behind-the-scenes journey with Scotts Miracle-Gro scientists as they reveal the essential role of math in creating the products that keep your plants...
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Exploring Black Markers with Chromatography
We are using a scientific method called chromatography to see what colours have been used by different manufacturers to make their black markers. Surprisingly black colour hides a bunch of bright colours. To take the experiment a bit...
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Outdoor Activity: Anti-Gravity Water
Alex knows that every time we do an experiment the result should be different from what he normally expects to happen. This time he said that water would not spill if we turn the cup upside down. So I asked him to do just that and water...
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Upside Down Glass of Water Trick
Defying the laws of gravity? Try turning a glass of water upside down without spilling. Place a card over the top of the glass filled with water. Quickly turn the glass upside down, holding the card in place and then, carefully let it...
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Stroop Effect: Tricky Colours Mental Workout
Checking if interference between the contradicting information can cause problems for Alex to do a simple task - naming the colours! Try doing it yourselves! Pause the video and name colours, not the words.
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Science Experiments with Eggs
A quick demonstration of gravity and motion in this experiment with raw eggs before we cook them for breakfast. All we needed was: a toilet paper tube, a paper plate, a glass of water and a bit of curiosity.
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Simple Experiment with Straws
Alex is blowing in and observing how results change depending on the number of straws used to seal a bottle.
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Science Experiment: Magnetic Corn Flakes
A quick experiment with magnetic cornflakes for a breakfast. If you read the label on the pack of corn flakes, you will see a list of vitamins and IRON. Magnet attracts that small amount of iron.
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Science Experiment: Putting Lit Candles Out with Glass
This is a simple science experiment but so much learning is happening here. We confirmed that oxygen is needed for fire to burn and compared how different volume glasses influence the speed with which candles go off.
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Science Experiment: Red Cabbage Changing Colours
A quite dramatic colour change made this chemistry experiment really mesmerizing for Alex. After blending a few red cabbage leaves I poured purple cabbage juice into glasses. I added a little too many leaves, so I had to add more water...
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Science Experiment: Pouring Water Down a String
Alex was really surprised to see what water was able to do when we poured it down a string. All I needed for this simple experiment was 2 cups, piece of string that can absorb water and special properties of water (ability to stick to...
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Noisy Coin in a Balloon Experiment
It is just fun to spin a coin in a balloon. But we used a 7-sided 20p coin that made some interesting noise.
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How to Mix Primary Colours to Get Secondary Colours
A fun demonstration how the primary colours mix and form the secondary colours. Thanks to the fact that water doesn't mix with oil we can observe how primary colours separate back into layers after mixing. For this activity water is...
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How to Make a Lung Model with a Balloon
Here is a quick demonstration how lungs work with a plastic bottle and two balloons I have prepared for Alex. When we pull knotted balloon, more space inside the bottle is created. To fill that space more air is sucked in thru the red...
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How to Make Colours Appear from Words
How cool is this activity with magically appearing colours from words! You would need regular markers, a permanent black marker, paper towel and water.
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How to Make a Lemon Battery
When you run out of batteries, but you have a few lemons at home. To start, we put copper coins and galvanized nails on different sides of lemons. Then we connected the nail to the copper coin on the next lemon in a line with a wire....
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Science Experiment: How Clouds Hold Water
Max is learning the very basic concept of how clouds hold water and when they become too heavy it starts to rain, while practising fine motor skills and eye–hand coordination. For this activity we used clear water, shaving foam and...
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Science Experiment: Spinning Balloon
If you have a balloon and a straw at home, you can make this fun spinning balloon.
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How to Make a Pythagoras Cup
This experiment shows how Pythagoras Cup works. A long time ago Pythagoras made this cup (also known as a Greedy Cup), that empties itself if too much drink is poured.
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How to Make a Lava Lamp
It’s just mesmerising to watch water beads lava lamp powered by Alka-Seltzer.
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How to Make a Glass Object Disappear
Don't trust your eyes! If you cannot see it, it doesn't mean that it is not there. When you place a Pyrex stir rod in the vegetable oil, it disappears. The secret here is that vegetable oil has nearly the same index of refraction as...