結果 : what is sound wave
1:45

Understanding Sound Waves | MED-EL

MED-EL
200,484 回視聴 - 11 年前
3:54

What is Sound? | The Dr. Binocs Show | Learn Videos For Kids

Peekaboo Kidz
2,846,044 回視聴 - 8 年前
6:03

Sound Wave Experiments | Waves | Physics | FuseSchool

FuseSchool - Global Education
419,506 回視聴 - 4 年前
9:41

What is Sound? The Fundamental Science Behind Sound

Branch Education
511,523 回視聴 - 6 年前
3:58

What is Sound? | Physics for Kids | SciShow Kids

SciShow Kids
2,887,298 回視聴 - 8 年前
5:08

GCSE Physics - Sound Waves and Hearing #73

Cognito
282,977 回視聴 - 4 年前
9:39

Sound: Crash Course Physics #18

CrashCourse
1,685,573 回視聴 - 8 年前
5:49

Sound: Wavelength, Frequency and Amplitude.

Science Sauce
490,048 回視聴 - 6 年前

-
0:44

Why Your Voice Sounds Different in Recordings: The Science Explained

InfoPulse
725 回視聴 - 2 日前
5:16

Sound Properties (Amplitude, Period, Frequency, Wavelength) | Physics | Khan Academy

khanacademymedicine
644,638 回視聴 - 10 年前
3:42

2. What is Sound?

Walk That Bass
198,874 回視聴 - 7 年前

-
2:32

What Does Sound Look Like? | SKUNK BEAR

NPR
1,955,037 回視聴 - 10 年前
5:15

Sound Waves

NBC News Learn
22,519 回視聴 - 4 年前
1:55

Properties of Sound Waves Lesson Loudness Pitch and Quality

Physicshelp Canada
128,078 回視聴 - 11 年前
6:22

SOUND for Kids 🔊📣 Loundness, Pitch and Timbre 🎵🎧 Science for Kids

Smile and Learn - English
194,599 回視聴 - 2 年前
0:22

Sound Wave Animation

jovansystem
108,855 回視聴 - 12 年前
8:20

The Speed of Sound & How does Sound Travel? A Fundamental Understanding

Branch Education
351,503 回視聴 - 6 年前
4:19

Sound Waves In Action | Waves | Physics | FuseSchool

FuseSchool - Global Education
252,000 回視聴 - 4 年前
3:32

What is a Sound Wave?

NgenTVAfrica
1,120 回視聴 - 3 年前
8:19

Every sound is SINE

Posy
979,377 回視聴 - 3 年前