結果 : examples of first class lever simple machines
2:44

Simple Machines:Levers

MooMooMath and Science
711,384 回視聴 - 4 年前
4:33

Simple Machines | Animation

EarthPen
160,596 回視聴 - 2 年前
1:52

Difference between 1st, 2nd, and 3rd class levers

MooMooMath and Science
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3:24

Types of Levers

Next Generation Science
105,366 回視聴 - 3 年前

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6:22

Simple Machines - The Lever

The Organic Chemistry Tutor
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5:42

What Are Simple Machines? | Types Of Simple Machines | The Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz
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5:51

Simple Machines: The Lever

funsciencedemos
437,977 回視聴 - 8 年前

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1:57

Simple Machines – Levers

Next Generation Science
15,933 回視聴 - 1 年前
11:00

Types of Levers: Simple Machine (Grade 4 & 5 Science) | TutWay

TutWay
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3:20

Super Simple Machines: Levers

SciShow Kids
978,258 回視聴 - 8 年前
2:19

Simple machines: Classes of Levers (Definition & Examples)

Science with Mr. Knight
2,870 回視聴 - 3 年前
3:53

Simple Machines: Classifications Of Levers

Sugar TV
37,314 回視聴 - 4 年前
11:41

First Class Lever Science Projects

DIY Projects
54,709 回視聴 - 1 年前
3:12

HOTS Questions | Simple Machines | What Are The Different Kinds of Levers?

ExperiHub
560 回視聴 - 3 年前
4:46

The mighty mathematics of the lever - Andy Peterson and Zack Patterson

TED-Ed
1,179,900 回視聴 - 9 年前
25:39

Simple Machines: Level 1

Mr. Dillman's Tech Channel
5,198 回視聴 - 3 年前
1:17

Simple Machines: A Tin (lid) Opener, Scissors, and a Claw Hammer

CBC Online Academy
208 回視聴 - 2 年前
0:43

Simple Machines - Lever Examples

MrBernstein
2,694 回視聴 - 6 年前
7:02

Simple Machines for Kids | Learn all about the 6 simple machines!

Learn Bright
1,592,957 回視聴 - 5 年前
3:43

School Science Projects | Cardboard Scissor | First Class Lever

DIY Projects
74,278 回視聴 - 3 年前