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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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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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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...
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Science Experiment: How Strong is Spaghetti
Checking with Alex how strong spaghetti actually is. First, we easily break just one piece but have a look how easy it is to break a bunch of them.
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Science Experiment: Funnels
This is fun funnel experiment that proves that an empty bottle isn't, in fact, empty and to fill it with water we need to make sure that air can escape. If a funnel is properly sealed to a bottle and a lot of water is poured into it at...
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Science Experiment: Egg in a Bottle
Classic egg in a bottle experiment turned upside down. We used hard boiled egg, birthday cake candles and a bottle with wide neck.
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Science Experiment: Color Mixing
We do different types of activities with boys, but mixing is Max's most favourite thing. Here Max is mixing Yellow and Blue colours with a help of baking soda and vinegar reaction.
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Bubble Science Experiments
We mixed dish soap with water in a big container to experiment with 3-dimensional shapes and bubbles.
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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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Science Experiment: What Shape is Strongest?
Here is a fun engineering challenge that is easy to do if you have paper and books at home. Fold three pieces of paper in differently shaped columns and compare how many books you can put on top of each!
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Science Experiment: Static Electricity
Isn't it a magic when you can move a pencil without touching it?! We are exploring the magical world of static electricity.
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Simple Music Science Experiment
When Alex played music this way no one could hear it but him. To change the sound he pulled the string a bit tighter or slid hand that was holding the string to change the length of it.
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Physics for Kids: Centrifugal Force Demonstration
Here is a simple DIY demonstration of centrifugal force. This physics experiment shows how two ping pong balls move away from the centre when we start spinning.
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Science Experiment: Water Siphon
In this simple presentation, we see how siphons work. I asked Alex and Max to pay attention and tell me at what level should be water so that it starts going through the straw. So they did, had fun and learned something new. A siphon can...