Antibubbles
Simon having fun making antibubbles – bubbles that have water inside them instead of air. Learned this from a Physics Girl video and this online instruction: https://www.antibubble.org/page2.html
Tag: homeschooling
Object inside rolling cylinder
Simon took a cylinder and put a chalk inside. When the cylinder rolls, what will the chalk do? Will it move and how will it move? And more importantly, why? … Continue reading Object inside rolling cylinder
Color Opposites
Here Simon placed the primary colors in the next to the secondary ones (that he mixed using only the three primary colors) so that the colors that are absolute opposites … Continue reading Color Opposites
How much iron is there in your favorite cereal?
If you put a cereal flake in a bowl of water you can steer it with a strong magnet. The magnets above aren’t strong enough, but the really powerful ones … Continue reading How much iron is there in your favorite cereal?
Hexaflexing
Simon has been into making various hexaflexagons, inspired by the Vihart channel. It was tough at first, but later the same day he didn’t need any help anymore and flexed … Continue reading Hexaflexing
Experimenting with electromagnetism
Here Simon tried to induce a magnetic field by allowing electric current to go through a conductor that is normally not magnetic (copper wire). The green stick is a magnet … Continue reading Experimenting with electromagnetism
Magic Prime Number Pencils
No matter how much you sharpen either one of these pencils, it will keep having a prime number written on it. Simon adorned them with the largest truncatable prime and … Continue reading Magic Prime Number Pencils
Some basic molecules
Above: “Mom, look, this is what we breathe in and this is what we breathe out!” Looking for a better organic chemistry set now, with plenty of carbon and hydrogen … Continue reading Some basic molecules
Some more memories from Friesland. Binary Calculator.
A couple more images from our trip to Friesland. Simon’s binary calculator: Doing math at a restaurant where we were celebrating his friend’s birthday:
Optical Illusions in Leeuwarden, Friesland
Simon loved the optical illusions scattered around the town.
The Leaning Tower of Lire
Also known as the Book-Stacking Problem. Simon had tried to build this tower at the Fries Museum where we visited a huge Escher exhibition (to the annoyance of the museum … Continue reading The Leaning Tower of Lire
Geeks out of the box 