結果 : what is mass and matter in science
2:03

Evaluate: Mass, Volume, and Density

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3:10

Mass, Volume, Density Song

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3:20

Difference between MASS and WEIGHT

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3:15

The Difference Between Mass and Weight

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9:40

What Is Matter? - General Science for Kids!

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1:55

Kid Science - Density, volume & mass

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1:04

What is Mass?

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2:17

Mass - the amount of matter

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0:41

What is Antimatter

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49:36

The Concept of Mass - with Jim Baggott

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12:06

Mass, Volume, and Density - Integrated Physics & Chemistry for Teens!

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10:48

The True Nature of Matter and Mass | Space Time | PBS Digital Studios

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1:52

How do we Classify Matter by Mass? | [Volume, Density & Mass]

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4:08

Cartoon for kids! Mass and Volume. Science for kids

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7:41

What the HECK is Mass?

The Science Asylum
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4:37

The law of conservation of mass - Todd Ramsey

TED-Ed
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1:40

How do We Classify Matter by Density? | Mass & Volume Part 1 #steamspirations #steamspiration

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7:39

Properties of Matter: Mass and Weight

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4:51

Matter: mass, volume & density.

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4:09

Vacation or Conservation (Of Mass): Crash Course Kids #23.1

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