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1.689 bản thiết kế có sẵn • 11 danh mục con
Duyệt Danh mục con
Bản thiết kế (1.689)

Saving Carrot Seeds — The Two-Year Biennial
bởi Bob
Khoa học cây trồng

Saving Bean and Pea Seeds — The Easiest First Seed to Save
bởi Bob
Khoa học cây trồng

Overwintering Roots for Seed — Getting a Biennial Through Winter
bởi Bob
Khoa học cây trồng

Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night
bởi Astro
Thời Trung cổ

Zero and Place-Value — Build an Abacus and Count Like the World Does
bởi Mark
Thời Trung cổ

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

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

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

The Sand Reckoner — Count the Grains and Tame Huge Numbers
bởi Mark
Cổ đại

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

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

Magic Squares — Arrange Numbers So Every Line Adds the Same
bởi Mark
Cổ đại

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

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

Trigonometry — Build a Clinometer and Measure a Tree's Height
bởi Mark
Cổ đại

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

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

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

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

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

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

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

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

Al-Khwarizmi's Algebra — Complete the Square with Paper Tiles
bởi Mark
Thời Trung cổ