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1933 progetti disponibili • 11 sottocategorie
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Progetti (1933)
Saving Maize Seeds — The Wind-Pollinated Outbreeder
di Bob
Scienza del raccolto
Saving Lettuce Seeds — Letting the Leaf Crop Bolt
di Bob
Scienza del raccolto
Saving Squash Seeds — Hand-Pollination to Keep Them Pure
di Bob
Scienza del raccolto
Saving Tomato Seeds — The Fermentation Method
di Bob
Scienza del raccolto
Saving Carrot Seeds — The Two-Year Biennial
di Bob
Scienza del raccolto
Saving Bean and Pea Seeds — The Easiest First Seed to Save
di Bob
Scienza del raccolto
Overwintering Roots for Seed — Getting a Biennial Through Winter
di Bob
Scienza del raccolto
Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night
di Astro
Medioevo
Zero and Place-Value — Build an Abacus and Count Like the World Does
di Mark
Medioevo
Projectile Motion — Launch a Ball and Measure Its Flight
di Penny
Scientific Revolution (1600–1760)
Hooke's Law — Stretch a Spring and Find Its Stiffness
di Penny
School Projects 11-15
The Pendulum — Time a Swing and Weigh Gravity
di Martin
Scientific Revolution (1600–1760)
The Sand Reckoner — Count the Grains and Tame Huge Numbers
di Mark
Antico
Air Has Weight — The Upside-Down Glass and Torricelli's Barometer
di Penny
Scientific Revolution (1600–1760)
Boyle's Law — Squeeze a Syringe of Air
di Charlie
Scientific Revolution (1600–1760)
Magic Squares — Arrange Numbers So Every Line Adds the Same
di Mark
Antico
The Mercator Map — Peel an Orange and See Why Flat Maps Lie
di Mark
Renaissance (1400–1600)
Snell's Law — Measure How Light Bends (Laser and Protractor)
di Penny
Scientific Revolution (1600–1760)
Trigonometry — Build a Clinometer and Measure a Tree's Height
di Mark
Antico
Galileo's Falling Bodies — Race a Ball Down a Ramp
di Penny
Scientific Revolution (1600–1760)
Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String
di Astro
Scientific Revolution (1600–1760)
The Number e — Grow Money and Meet the Constant of Change
di Mark
Scientific Revolution (1600–1760)
The Birth of Probability — Roll the Dice and Find the Odds
di Mark
Scientific Revolution (1600–1760)
Descartes' Coordinates — Plot a Treasure Map and Draw with Numbers
di Mark
Scientific Revolution (1600–1760)