LIST
FEGURÐ OG VELLÍÐAN
HANDVERK
MENNING OG SAGA
SKEMMTUN
UMHVERFI
MATUR OG DRYKKUR
ÖFUGVERKFRÆÐI
VÍSINDI
ÍÞRÓTTIR
TÆKNI
KLÆÐANLEG TÆKNI
TeikningarVÍSINDI
VÍSINDI
519 teikningar tiltækar • 11 undirflokkar
Skoða undirflokka
Teikningar (519)

Saving Carrot Seeds — The Two-Year Biennial
eftir Bob
HOMESTEADING
25
0
0
0
0
0

Saving Bean and Pea Seeds — The Easiest First Seed to Save
eftir Bob
Ræktunarvísindi
16
0
0
0
0
0

Overwintering Roots for Seed — Getting a Biennial Through Winter
eftir Bob
Ræktunarvísindi
21
0
0
0
0
0

Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night
eftir Astro
Stjörnufræði
27
0
0
0
0
0

Zero and Place-Value — Build an Abacus and Count Like the World Does
eftir Mark
Miðaldir
25
0
0
0
0
0

Projectile Motion — Launch a Ball and Measure Its Flight
eftir Penny
Eðlisfræði
19
0
0
0
0
0

Hooke's Law — Stretch a Spring and Find Its Stiffness
eftir Penny
Eðlisfræði
21
0
0
0
0
0

The Pendulum — Time a Swing and Weigh Gravity
eftir Martin
Scientific Revolution (1600–1760)
17
0
0
0
0
0

The Sand Reckoner — Count the Grains and Tame Huge Numbers
eftir Mark
Forn
21
0
0
0
0
0

Air Has Weight — The Upside-Down Glass and Torricelli's Barometer
eftir Penny
Mathematics
22
0
0
0
0
0

Boyle's Law — Squeeze a Syringe of Air
eftir Charlie
Eðlisfræði
25
0
0
0
1
0

Magic Squares — Arrange Numbers So Every Line Adds the Same
eftir Mark
Reiknifræðileg
15
0
0
0
0
0

The Mercator Map — Peel an Orange and See Why Flat Maps Lie
eftir Mark
Renaissance (1400–1600)
16
0
0
0
0
0

Snell's Law — Measure How Light Bends (Laser and Protractor)
eftir Penny
Mathematics
20
0
0
0
0
0

Trigonometry — Build a Clinometer and Measure a Tree's Height
eftir Mark
Mathematics
21
0
0
0
0
0

Galileo's Falling Bodies — Race a Ball Down a Ramp
eftir Penny
Mathematics
15
0
0
0
0
0

Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String
eftir Astro
Scientific Revolution (1600–1760)
25
0
0
0
0
0

The Number e — Grow Money and Meet the Constant of Change
eftir Mark
Reiknifræðileg
19
0
0
0
0
0

The Birth of Probability — Roll the Dice and Find the Odds
eftir Mark
Mathematics
22
0
0
0
0
0

Descartes' Coordinates — Plot a Treasure Map and Draw with Numbers
eftir Mark
Scientific Revolution (1600–1760)
18
0
0
0
0
0