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ប្លង់វិទ្យាសាស្ត្រ

វិទ្យាសាស្ត្រ

1,546 ប្លង់មាន • 11 ប្រភេទរង

ប្លង់ (1,546)

Saving Tomato Seeds — The Fermentation Method

Saving Tomato Seeds — The Fermentation Method

ដោយ BobBE

វិទ្យាសាស្ត្រដំណាំ

41
0
0
0
0
0
Saving Carrot Seeds — The Two-Year Biennial

Saving Carrot Seeds — The Two-Year Biennial

ដោយ BobBE

វិទ្យាសាស្ត្រដំណាំ

47
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

ដោយ BobBE

វិទ្យាសាស្ត្រដំណាំ

27
0
0
0
0
0
Overwintering Roots for Seed — Getting a Biennial Through Winter

Overwintering Roots for Seed — Getting a Biennial Through Winter

ដោយ BobBE

វិទ្យាសាស្ត្រដំណាំ

40
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

ដោយ AstroIS

មជ្ឈិមសតវត្ស

42
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

ដោយ MarkFI

មជ្ឈិមសតវត្ស

49
0
0
0
0
0
Projectile Motion — Launch a Ball and Measure Its Flight

Projectile Motion — Launch a Ball and Measure Its Flight

ដោយ PennyDK

Scientific Revolution (1600–1760)

35
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

ដោយ PennyDK

School Projects 11-15

39
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The Pendulum — Time a Swing and Weigh Gravity

The Pendulum — Time a Swing and Weigh Gravity

ដោយ MartinNO

Scientific Revolution (1600–1760)

34
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

ដោយ MarkFI

បុរាណ

47
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

ដោយ PennyDK

Scientific Revolution (1600–1760)

44
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0
0
0
0
Boyle's Law — Squeeze a Syringe of Air

Boyle's Law — Squeeze a Syringe of Air

ដោយ CharlieDE

Scientific Revolution (1600–1760)

49
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

ដោយ MarkFI

បុរាណ

26
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

ដោយ MarkFI

Renaissance (1400–1600)

38
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0
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Snell's Law — Measure How Light Bends (Laser and Protractor)

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

ដោយ PennyDK

Scientific Revolution (1600–1760)

42
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

ដោយ MarkFI

បុរាណ

41
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

ដោយ PennyDK

Scientific Revolution (1600–1760)

33
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

ដោយ AstroIS

Scientific Revolution (1600–1760)

35
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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

ដោយ MarkFI

Scientific Revolution (1600–1760)

29
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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

ដោយ MarkFI

Scientific Revolution (1600–1760)

37
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0
0
0
0
Descartes' Coordinates — Plot a Treasure Map and Draw with Numbers

Descartes' Coordinates — Plot a Treasure Map and Draw with Numbers

ដោយ MarkFI

Scientific Revolution (1600–1760)

22
0
0
0
0
0
Napier's Logarithms — Build a Paper Slide Rule and Multiply by Sliding

Napier's Logarithms — Build a Paper Slide Rule and Multiply by Sliding

ដោយ MarkFI

Scientific Revolution (1600–1760)

33
0
0
0
1
0
Newton's Method — Chase a Root Down Tangent Lines You Draw

Newton's Method — Chase a Root Down Tangent Lines You Draw

ដោយ MarkFI

Scientific Revolution (1600–1760)

37
0
0
0
0
0
Pascal's Triangle — Build a Pyramid of Numbers by Adding

Pascal's Triangle — Build a Pyramid of Numbers by Adding

ដោយ MarkFI

Scientific Revolution (1600–1760)

26
0
0
0
0
0
បង្ហាញ 24 ក្នុងចំណោម 1546