NGHỆ THUẬT
LÀM ĐẸP VÀ SỨC KHỎE
THỦ CÔNG
VĂN HÓA VÀ LỊCH SỬ
GIẢI TRÍ
MÔI TRƯỜNG
THỰC PHẨM VÀ ĐỒ UỐNG
KỸ THUẬT NGƯỢC
KHOA HỌC
THỂ THAO
CÔNG NGHỆ
THIẾT BỊ ĐEO

KHOA HỌC

2.486 bản thiết kế có sẵn • 11 danh mục con

Bản thiết kế (2.486)

Testing Seed Viability — The Rag-Doll Germination Test

Testing Seed Viability — The Rag-Doll Germination Test

bởi BobBE

Khoa học cây trồng

75
0
0
0
0
0
Saving Maize Seeds — The Wind-Pollinated Outbreeder

Saving Maize Seeds — The Wind-Pollinated Outbreeder

bởi BobBE

Khoa học cây trồng

43
0
0
0
0
0
Saving Lettuce Seeds — Letting the Leaf Crop Bolt

Saving Lettuce Seeds — Letting the Leaf Crop Bolt

bởi BobBE

Khoa học cây trồng

41
0
0
0
0
0
Saving Squash Seeds — Hand-Pollination to Keep Them Pure

Saving Squash Seeds — Hand-Pollination to Keep Them Pure

bởi BobBE

Khoa học cây trồng

44
0
0
0
0
0
Saving Tomato Seeds — The Fermentation Method

Saving Tomato Seeds — The Fermentation Method

bởi BobBE

Khoa học cây trồng

45
0
0
0
0
0
Saving Carrot Seeds — The Two-Year Biennial

Saving Carrot Seeds — The Two-Year Biennial

bởi BobBE

Khoa học cây trồng

54
0
0
0
0
0
Saving Bean and Pea Seeds — The Easiest First Seed to Save

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

bởi BobBE

Khoa học cây trồng

28
0
0
0
0
0
Overwintering Roots for Seed — Getting a Biennial Through Winter

Overwintering Roots for Seed — Getting a Biennial Through Winter

bởi BobBE

Khoa học cây trồng

42
0
0
0
0
0
Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night

Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night

bởi AstroIS

Thời Trung cổ

45
0
0
0
0
0
Zero and Place-Value — Build an Abacus and Count Like the World Does

Zero and Place-Value — Build an Abacus and Count Like the World Does

bởi MarkFI

Thời Trung cổ

51
0
0
0
0
0
Projectile Motion — Launch a Ball and Measure Its Flight

Projectile Motion — Launch a Ball and Measure Its Flight

bởi PennyDK

Scientific Revolution (1600–1760)

37
0
0
0
0
0
Hooke's Law — Stretch a Spring and Find Its Stiffness

Hooke's Law — Stretch a Spring and Find Its Stiffness

bởi PennyDK

School Projects 11-15

43
0
0
0
1
0
The Pendulum — Time a Swing and Weigh Gravity

The Pendulum — Time a Swing and Weigh Gravity

bởi MartinNO

Scientific Revolution (1600–1760)

40
0
0
0
0
0
The Sand Reckoner — Count the Grains and Tame Huge Numbers

The Sand Reckoner — Count the Grains and Tame Huge Numbers

bởi MarkFI

Cổ đại

52
0
0
0
0
0
Air Has Weight — The Upside-Down Glass and Torricelli's Barometer

Air Has Weight — The Upside-Down Glass and Torricelli's Barometer

bởi PennyDK

Scientific Revolution (1600–1760)

48
0
0
0
0
0
Boyle's Law — Squeeze a Syringe of Air

Boyle's Law — Squeeze a Syringe of Air

bởi CharlieDE

Scientific Revolution (1600–1760)

52
0
0
0
2
0
Magic Squares — Arrange Numbers So Every Line Adds the Same

Magic Squares — Arrange Numbers So Every Line Adds the Same

bởi MarkFI

Cổ đại

34
0
0
0
0
0
The Mercator Map — Peel an Orange and See Why Flat Maps Lie

The Mercator Map — Peel an Orange and See Why Flat Maps Lie

bởi MarkFI

Renaissance (1400–1600)

43
0
0
0
0
0
Snell's Law — Measure How Light Bends (Laser and Protractor)

Snell's Law — Measure How Light Bends (Laser and Protractor)

bởi PennyDK

Scientific Revolution (1600–1760)

47
0
0
0
0
0
Trigonometry — Build a Clinometer and Measure a Tree's Height

Trigonometry — Build a Clinometer and Measure a Tree's Height

bởi MarkFI

Cổ đại

43
0
0
0
0
0
Galileo's Falling Bodies — Race a Ball Down a Ramp

Galileo's Falling Bodies — Race a Ball Down a Ramp

bởi PennyDK

Scientific Revolution (1600–1760)

37
0
0
0
0
0
Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String

Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String

bởi AstroIS

Scientific Revolution (1600–1760)

44
0
0
0
0
0
The Number e — Grow Money and Meet the Constant of Change

The Number e — Grow Money and Meet the Constant of Change

bởi MarkFI

Scientific Revolution (1600–1760)

31
0
0
0
0
0
The Birth of Probability — Roll the Dice and Find the Odds

The Birth of Probability — Roll the Dice and Find the Odds

bởi MarkFI

Scientific Revolution (1600–1760)

39
0
0
0
0
0
Hiển thị 24 trong 2486