Blog: 2025-09-18

https://learnstudymaths.blogspot.com/2014/05/tangram-puzzles-with-solutions.html tangram

https://www.tangram-channel.com/crafts-activities/tangrams-to-cut-out/four-sets-of-tangram-pieces-free-template/ tangram template

https://en.wikipedia.org/wiki/Jeri_Ellsworth "She taught herself to program by reading the manual."

https://www.youtube.com/watch?v=T1lah7XGMxU engine pistons #science

Ideas for CS science

sword as lever - move handle small amount, get large output

axe as opposite - move handle a large amount, blade moves a small amount

balance - fork and toothpick

build something out of toothpicks

Gears

Pulley - this one is cool

Muscles as simple machines

https://www.youtube.com/watch?v=PfxGZ695WzA - forging a decorative leaf - for midieval future history unit?

Make a waterwheel out of a piece of wood and a couple screws on the long side so it rotates around the center

Balsa wood glider

Carve a seal out of rubber or foam or clay, use it to stamp