My feeds
Popular
Editors’ Picks
Best coubs
Stories
Who to follow
What is a coub?
Communities
Animals & Pets
Blogging
Stand-up & Jokes
Mashup
Movies & TV
Gaming
Cartoons
Art & Design
Live Pictures
Music
Sports
Science & Technology
Food & Kitchen
Celebrity
Nature & Travel
Fashion & Beauty
Dance
Auto & Technique
Memes
Anime
18+
Join our community
Create a coub
Insider
Loading…
Sign in
Coub Insider
What is a coub?
Mobile apps
Terms of Service
Community Rules
DMCA policy
Privacy Policy
Language:
English
English
Русский
Українська
Português (Brasil)
Español
हिन्दी
Deutsch
简体中文
Magyar
Navigation
Popular
Editors’ Picks
Best coubs
Sign in
#science kids
Popular
Most liked
Most viewed
Fresh
persusfinz
·
Mar 22, 2019
What is an Earthquake?
145
0
1
1.3K
Movies & TV
1
Sources are the materials that were used to create this coub.
Video
YouTube
What is an Earthquake?
#
20
earthquake
what is an earthquake
what is earthquake
what is an earthquake for kids
what causes an earthquake
earthquake video
how earthquakes happen
what is an earthquake?
all about earthquake
doodle
cute drawings
how to draw
science for kids
science experiments
kids science experiments
science kids
science videos for kids
science projects
kids videos
diy science
What is an Earthquake?
IW Chiller
·
Jan 28, 2025
How focal length depends on lens thickness
69
7
7
9.4K
Science & Technology
#
15
@sciencekids3845
science kids
physics
optics
оптические эффекты
optical effects
science
experiment
physics experiments
phisical phenomenon
yeah science bitch
iwchiller_tech
承利 - dreamland
承利
dreamland
Зависимость длины фокуса от толщины линзы