Lesson 1- Sound waves

117,693 views

Sciences physiques à Stella

Published on Oct 9, 2020

About :

vidoe Comments

Trend Videos

5:10

I got an email from YouTube regarding my subscriber count.

보겸s

668,045 views 2 days ago

35:37

※The greatest reversal of roles※ NCT DREAM, who swallowed Mimimi and even digested it, take a picture of Ja-con and leave. Are you popular? Season 2 EP.35

모비딕 Mobidic

356,418 views 1 day ago

23:39

My sister-in-law, a foreigner who suddenly wants to live in Korea while out and about in Seoul wearing a hanbok for the first time in her life (feat. Horonggak)

예나러브 [Jun & Yena]

178,799 views 2 days ago

11:44

HAON - Skrr (feat. GISELLE of aespa) [Official KCam] ENG/KOR

KC 케이씨

384,341 views 1 day ago

21:42

I'm going to take a break.

LeoJ Makeup

421,634 views 2 days ago

14:54

Where will Son Heung-min go if he leaves Tottenham?

김진짜 Real KIM

1,005,013 views 7 days ago

17:57

What happens when you run 100km in 7 days

고재영

1,139,275 views 6 days ago

25:39

[SUB] Byun Woo-seok's birthday party where you can't laugh

유병재

1,561,433 views 1 day ago

16:46

Sold out in 10 minutes. Samsung Galaxy Z Fold SE... What are your thoughts after using it for a week?

ITSub잇섭

1,065,724 views 7 days ago

7:01

I did well on the CSAT (Myrin, a high school senior, shares her story on the 2025 CSAT) Myrin TV

마이린 TV

480,944 views 5 days ago

25:39

[SUB] Byun Woo-seok's birthday party where you can't laugh

유병재

1,561,433 views 1 day ago

19:57

[VLOG] Tearful Taeyomine Dongdong's Birth Vlog 👼🏻

태요미네

1,675,733 views 7 days ago

15:08

I cried for the first time after watching a movie.. Attack on Titan finaleㅇㅅㅇ

아이자와 유우키

100,178 views 2 days ago

14:56

🐺 : You... are you an imposter? 🐐 : Get to work Old SKT Association feat. Jiseon, Gumayushi Lockdown Protocol

울프 이재완

531,674 views 5 days ago

8:45

Understanding the intention of the questioner

너덜트

2,148,313 views 7 days ago

37:22

Delicious VS Untasty for 24 hours!! What is the most untasty way to eat Jjajangmyeon?!

파뿌리

651,648 views 4 days ago

21:43

[VLOG] Our family is very united‼ 2 days and 1 night in a quiet country life (with boyfriend's family)

지유롭게

185,682 views 3 days ago

33:00

Broken Taxi, Strange Taxi Driver and 2 Days & 1 Night - Tajikistan (3)

곽튜브

732,342 views 5 days ago

23:49

🔥Love counseling is back and it's even hotter🌶️🔥 with Eunji from the Jongji couple

아옳이

409,825 views 2 days ago

26:41

Reasons for not getting married. No, I can't... No, I won't...

걍밍경

1,099,651 views 7 days ago

11:12

stupid flirt

짧은대본 ShortPaper

719,082 views 12 days ago

35:37

※The greatest reversal of roles※ NCT DREAM, who swallowed Mimimi and even digested it, take a picture of Ja-con and leave. Are you popular? Season 2 EP.35

모비딕 Mobidic

356,418 views 1 day ago

24:30

The home of a shopaholic whose wardrobe is finally starting to burst

원지의하루

493,394 views 3 days ago

8:45

Understanding the intention of the questioner

너덜트

2,148,313 views 7 days ago

3:15

MEOVV - 'TOXIC' M/V

THEBLACKLABEL

8,267,974 views 3 days ago

13:36

Hongsoyuk: The most popular pork belly dish in the world! I think this is better than Dongpoyuk. (Shanghai Authentic Recipe)

육식맨 YOOXICMAN

765,284 views 3 days ago

21:05

The most expensive country... the world's cheapest Michelin 1 star

잡재홍

290,394 views 3 days ago

35:03

[EN/JP] 1st Zico Shareholders' Meeting Lee Yong-jin, Sunmi, Do Kyung-soo, Jeon So-yeon, Woo Tae-woon, Block B (Jaehyo, U-kwon, P.O), Boynextdoor (Myung Jae-hyun, Taesan, Woonhak)

df 디에프

1,899,871 views 5 days ago

40:41

[SUB] ※Essential knowledge for freshmen※ Surviving the drinking party [I didn't prepare anything] EP.34 #Lee Young-ji #Twice #TXT

차린건 쥐뿔도 없지만

3,341,356 views 6 days ago

19:04

[ENG] Mimi Minu's Super-fast Breakup Date Course! (w. Chaeyoung) Tertrip 3 EP.1

LG Uplus

1,231,075 views 7 days ago

21:42

I'm going to take a break.

LeoJ Makeup

421,634 views 2 days ago

41:48

When cooking, panic. The first great step to conquering the kitchen. [Night Chef]

김풍천국

216,448 views 1 day ago

Google AdSense
336 x 280

Up Next

13:35

LEARN TO THINK POSITIVELY... DESPITE EVERYTHING Marcos Lacerda, psychologist

Nós da Questão

217,709 views
1 year ago

25:34

The Power of Thoughts and Words -1 Joyce Meyer

Joyce Meyer Ministries Portugues

513,574 views
1 year ago

23:07

7 attitudes of organized people – How to be a more organized person

Geronimo Theml

471,977 views
2 years ago

12:33

HOW TO INCREASE YOUR ENERGY LEVEL TO HAVE AN EXTRAORDINARY LIFE

Geronimo Theml

356,436 views
7 years ago

10:52

6 ATTITUDES THAT STEAL YOUR ENERGY, DESTROY YOUR PRODUCTIVITY AND MAYBE EVEN YOUR LIFE

Geronimo Theml

370,050 views
6 years ago

10:30

HOW TO STAY FOCUSED ON A LONG-TERM GOAL AND NOT GIVE UP?

Geronimo Theml

658,893 views
7 years ago

7:25

HOW TO HAVE MORE DISCIPLINE TO ACHIEVE YOUR GOALS?

Geronimo Theml

311,739 views
7 years ago

2:55

HOW TO HAVE POSITIVE THOUGHTS AND ATTRACT GOOD THINGS INTO YOUR LIFE JOTA JOTA PODCAST #62

Joel Jota

19,619 views
2 years ago

12:44

REALITY CYCLE: THE FIRST AND MOST IMPORTANT CHANGE TO BE SUCCESSFUL IN LIFE

Geronimo Theml

450,218 views
8 years ago

12:54

HOW TO STOP YOUR NEGATIVE THOUGHTS Marcos Lacerda, psychologist

Nós da Questão

430,032 views
1 year ago

11:39

3 Steps to Success in Life Geronimo Theml

Geronimo Theml

246,988 views
9 years ago

1:04:49

9 Things to STOP Doing When You Wake Up in the Morning Sai da Média Podcast #137

Geronimo Theml

237,117 views
1 year ago

4:40

How to AVOID NEGATIVE THOUGHTS - Dr. Ana Beatriz Barbosa

Lugar da Mente

408,272 views
2 years ago

8:44

The Power of Positive Thinking (Be Careful With Your Thought Types) - Motivation

Você Pode Realizar

218,194 views
4 years ago

7:06

Are you unhappy at work? It's time to change jobs!

Henrique Baião

10,385 views
2 years ago

11:15

CRY AGAINST DESPAIR IN THE SOUL CM

Diego Menin

14,243 views
2 days ago

1:14

Perfectionist Profile - DISC Behavioral Test

Recrutei | Software de Recrutamento e Seleção

368 views
2 years ago

16:22

THOUGHTS THAT ATTRACT BLESSINGS [ JOYCE MEYER ]

Fortalecendo Vidas

948,359 views
1 year ago

7:30

HOW TO TRAIN YOUR MIND TO HAVE POSITIVE THOUGHTS

Natalia Branco

128,953 views
5 years ago

24:53

FIXED INCOME 20% PER YEAR Is It Time to Change Strategy? Fixed Income or Stock Exchange?

Geração Dividendos

45,149 views
2 days ago

19:18

ANXIETY: the best video you will ever see on how to overcome anxiety

Geronimo Theml

46,254 views
3 years ago

55:14

4 steps to have absolute FOCUS on those DIFFICULT days Sai da Média Podcast #211

Geronimo Theml

12,576 views
13 days ago

9:55

WHAT IS EMOTIONAL INTELLIGENCE AND HOW TO DEVELOP IT

Geronimo Theml

157,044 views
5 years ago

19:12

How to master your emotions? Ask the Coach #034

Geronimo Theml

21,371 views
3 years ago

17:46

HOW TO START A BUSINESS AND LEAVE A MEDIOCRE JOB (#PROJECT82 Video 003 of 082)

Geronimo Theml

20,637 views
3 years ago

1:17:20

INVISIBLE TRAUMAS in raising your CHILDREN - with Telma Abrahão Sai da Média Podcast #212

Geronimo Theml

7,690 views
6 days ago

13:26

HOW TO FACE LIFE'S CHALLENGES #Project82 Video 002 of 082

Geronimo Theml

14,365 views
3 years ago

14:39

HOW TO STOP PROCRASTINING IN 2021... IN PRACTICE AND WITHOUT WHINING

Geronimo Theml

67,215 views
3 years ago

9:24

3 Techniques to Help You Have More Emotional Intelligence

Geronimo Theml

61,386 views
4 years ago

1:02:10

How to set GOALS clearly and REALISTICLY (to actually ACHIEVE THEM) Sai da Média Podcast #207

Geronimo Theml

22,068 views
1 month ago

14:14

HOW TO HAVE MORE SELF-CONFIDENCE to do what needs to be done and make your dreams come true (video 026)

Geronimo Theml

24,119 views
3 years ago

13:21

3 STEPS TO AN EXTRAORDINARY LIFE... a complete guide to waking up #Project82 video 016 of 082

Geronimo Theml

11,249 views
3 years ago

33:16

How not to give up along the way (4 steps) Get Out of Average #64

Geronimo Theml

72,927 views
4 years ago

10:25

COMPETING AGAINST SOMEONE HELP OR HINDRANCE? #Project82 (1 of 82)

Geronimo Theml

10,685 views
3 years ago

33:27

These 7 attitudes destroy your productivity Get Out of Average #61

Geronimo Theml

80,234 views
4 years ago

42:56

5 steps to turn DREAMS into RESULTS (Proven!) Sai da Média Podcast #209

Geronimo Theml

13,073 views
1 month ago

11:14

If you are NORMAL... you are in big trouble #project82 video 008 of 082

Geronimo Theml

9,766 views
3 years ago

30:18

Four Steps to Creating Healthy Habits Get Out of the Average #71

Geronimo Theml

507,522 views
4 years ago

57:39

What they never told you about career TRANSITION Leave the Media Podcast #208

Geronimo Theml

9,393 views
1 month ago

7:06

Are you unhappy at work? It's time to change jobs!

Henrique Baião

10,385 views
2 years ago

Google AdSense
336 x 280

SUBSCRIPTIONS