UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Mathematics
Ibishushanyo 61 birahari
Ibishushanyo (61)
Bevel Protractor
na Mark
Mathematics
24
0
0
0
0
0
Cloverleaf Interchange
na Mark
Mathematics
32
0
0
0
0
0
Hollerith Tabulator
na Mark
Kubara
29
0
0
0
0
0
Burroughs Calculating Machine
na Mark
UBUMENYI
29
0
0
0
0
0
Cash Register
na Mark
UBUMENYI
35
0
0
0
0
0
Slide Rule
na Emma
UBUMENYI
28
0
0
0
0
0
Perspective Frame
na Mark
UBUMENYI
26
0
0
0
0
0
Self-Working Card Trick
na Mark
Uburiganya bw'Amakarita
37
0
0
0
0
0
Volvelle Wheel Chart
na Mark
Bizamuka
56
0
0
0
0
0
Monochord
na Penny
Ubumenyi bw'Amajwi
26
0
0
0
0
0
Zero and Place-Value — Build an Abacus and Count Like the World Does
na Mark
Ibihe byo Hagati
34
0
0
0
0
0
Projectile Motion — Launch a Ball and Measure Its Flight
na Penny
Scientific Revolution (1600–1760)
21
0
0
0
0
0
Hooke's Law — Stretch a Spring and Find Its Stiffness
na Penny
School Projects 11-15
25
0
0
0
0
0
The Pendulum — Time a Swing and Weigh Gravity
na Martin
Scientific Revolution (1600–1760)
25
0
0
0
0
0
The Sand Reckoner — Count the Grains and Tame Huge Numbers
na Mark
Kera
28
0
0
0
0
0
Air Has Weight — The Upside-Down Glass and Torricelli's Barometer
na Penny
Scientific Revolution (1600–1760)
28
0
0
0
0
0
Magic Squares — Arrange Numbers So Every Line Adds the Same
na Mark
Kera
17
0
0
0
0
0
The Mercator Map — Peel an Orange and See Why Flat Maps Lie
na Mark
Renaissance (1400–1600)
21
0
0
0
0
0
Snell's Law — Measure How Light Bends (Laser and Protractor)
na Penny
Scientific Revolution (1600–1760)
24
0
0
0
0
0
Trigonometry — Build a Clinometer and Measure a Tree's Height
na Mark
Kera
25
0
0
0
0
0