НАУКИ
2 506 чертежей доступно • 11 подкатегорий
Обзор подкатегорий
Чертежи (2 506)

Saving Tomato Seeds — The Fermentation Method
от Bob
Растениеводство

Saving Carrot Seeds — The Two-Year Biennial
от Bob
Растениеводство

Saving Bean and Pea Seeds — The Easiest First Seed to Save
от Bob
Растениеводство

Overwintering Roots for Seed — Getting a Biennial Through Winter
от Bob
Растениеводство

Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night
от Astro
Средние века

Zero and Place-Value — Build an Abacus and Count Like the World Does
от Mark
Средние века

Projectile Motion — Launch a Ball and Measure Its Flight
от Penny
Scientific Revolution (1600–1760)

Hooke's Law — Stretch a Spring and Find Its Stiffness
от Penny
School Projects 11-15

The Pendulum — Time a Swing and Weigh Gravity
от Martin
Scientific Revolution (1600–1760)

The Sand Reckoner — Count the Grains and Tame Huge Numbers
от Mark
Древний

Air Has Weight — The Upside-Down Glass and Torricelli's Barometer
от Penny
Scientific Revolution (1600–1760)

Boyle's Law — Squeeze a Syringe of Air
от Charlie
Scientific Revolution (1600–1760)

Magic Squares — Arrange Numbers So Every Line Adds the Same
от Mark
Древний

The Mercator Map — Peel an Orange and See Why Flat Maps Lie
от Mark
Renaissance (1400–1600)

Snell's Law — Measure How Light Bends (Laser and Protractor)
от Penny
Scientific Revolution (1600–1760)

Trigonometry — Build a Clinometer and Measure a Tree's Height
от Mark
Древний

Galileo's Falling Bodies — Race a Ball Down a Ramp
от Penny
Scientific Revolution (1600–1760)

Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String
от Astro
Scientific Revolution (1600–1760)

The Number e — Grow Money and Meet the Constant of Change
от Mark
Scientific Revolution (1600–1760)

The Birth of Probability — Roll the Dice and Find the Odds
от Mark
Scientific Revolution (1600–1760)

Descartes' Coordinates — Plot a Treasure Map and Draw with Numbers
от Mark
Scientific Revolution (1600–1760)

Napier's Logarithms — Build a Paper Slide Rule and Multiply by Sliding
от Mark
Scientific Revolution (1600–1760)

Newton's Method — Chase a Root Down Tangent Lines You Draw
от Mark
Scientific Revolution (1600–1760)

Pascal's Triangle — Build a Pyramid of Numbers by Adding
от Mark
Scientific Revolution (1600–1760)