ClassX Video Lessons Grade Grade 9

Category: Grade 9

What Happens to Lasers Underwater? (Total internal reflection) – Smarter Every Day 219

Read Now →

I Didn’t know Birds use Math in Murmurations! – Smarter Every Day 234

Read Now →

How Weed Eaters Work (at 62,000 FRAMES PER SECOND) – Smarter Every Day 236

Read Now →

YouTube Shorts is Changing YouTube – Smarter Every Day 266

Read Now →

What does a Gong Sound Like when Hit with a 1189mph Baseball? – Smarter Every Day 267

Read Now →

How Does Kodak Make Film? (Kodak Factory Tour Part 1 of 3) – Smarter Every Day 271

Read Now →

Prince Rupert’s Drop EXPLODING in Epoxy Resin at 456,522 fps – Smarter Every Day 273

Read Now →

How the Warhead on the AIM-9 Sidewinder Works – Smarter Every Day 282

Read Now →

Touring the Vulcan Rocket on the Launch Pad – Smarter Every Day 297

Read Now →

NASA & SpaceX Successfully Launch First Crewed Spaceflight from US in 10 Years

Read Now →