ཚན་རིག
བིལུ་པིརིན་ཊི ༡,༦༨༩ ཡོད • ཡན་ལག་དབྱེ་རིམ ༡༡
ཡན་ལག་དབྱེ་རིམ་ལྟ་བཤེར
བིལུ་པིརིན་ཊི (༡,༦༨༩)
Saving Carrot Seeds — The Two-Year Biennial
Bob གྱིས
ཟ་འབྲུ་རིག
Saving Bean and Pea Seeds — The Easiest First Seed to Save
Bob གྱིས
ཟ་འབྲུ་རིག
Overwintering Roots for Seed — Getting a Biennial Through Winter
Bob གྱིས
ཟ་འབྲུ་རིག
Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night
Astro གྱིས
བར་དུས
Zero and Place-Value — Build an Abacus and Count Like the World Does
Mark གྱིས
བར་དུས
Projectile Motion — Launch a Ball and Measure Its Flight
Penny གྱིས
Scientific Revolution (1600–1760)
Hooke's Law — Stretch a Spring and Find Its Stiffness
Penny གྱིས
School Projects 11-15
The Pendulum — Time a Swing and Weigh Gravity
Martin གྱིས
Scientific Revolution (1600–1760)
The Sand Reckoner — Count the Grains and Tame Huge Numbers
Mark གྱིས
སྔོན་རབས
Air Has Weight — The Upside-Down Glass and Torricelli's Barometer
Penny གྱིས
Scientific Revolution (1600–1760)
Boyle's Law — Squeeze a Syringe of Air
Charlie གྱིས
Scientific Revolution (1600–1760)
Magic Squares — Arrange Numbers So Every Line Adds the Same
Mark གྱིས
སྔོན་རབས
The Mercator Map — Peel an Orange and See Why Flat Maps Lie
Mark གྱིས
Renaissance (1400–1600)
Snell's Law — Measure How Light Bends (Laser and Protractor)
Penny གྱིས
Scientific Revolution (1600–1760)
Trigonometry — Build a Clinometer and Measure a Tree's Height
Mark གྱིས
སྔོན་རབས
Galileo's Falling Bodies — Race a Ball Down a Ramp
Penny གྱིས
Scientific Revolution (1600–1760)
Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String
Astro གྱིས
Scientific Revolution (1600–1760)
The Number e — Grow Money and Meet the Constant of Change
Mark གྱིས
Scientific Revolution (1600–1760)
The Birth of Probability — Roll the Dice and Find the Odds
Mark གྱིས
Scientific Revolution (1600–1760)
Descartes' Coordinates — Plot a Treasure Map and Draw with Numbers
Mark གྱིས
Scientific Revolution (1600–1760)
Napier's Logarithms — Build a Paper Slide Rule and Multiply by Sliding
Mark གྱིས
Scientific Revolution (1600–1760)
Newton's Method — Chase a Root Down Tangent Lines You Draw
Mark གྱིས
Scientific Revolution (1600–1760)
Pascal's Triangle — Build a Pyramid of Numbers by Adding
Mark གྱིས
Scientific Revolution (1600–1760)
Al-Khwarizmi's Algebra — Complete the Square with Paper Tiles
Mark གྱིས
བར་དུས