Mark Rober Is Your Favorite Science Teacher: 1st place science fair ideas- 10 ideas and tricks to WIN!
Mark walks you through 10 of his favorite science fair experiments.
2026-07-19 22:00:08 +0000 UTC→2026-07-19 22:13:34 +0000 UTC(13m)
Schedule for Mark Rober TV
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Car Thief Gets Instant Karma (the FINAL Glitterbomb 6.0)
Couldn't have picked a better reaction to end the whole series with :)
2026-07-21 01:13:02 +0000 UTC→2026-07-21 01:36:58 +0000 UTC(23m)
Engineering Payback
Part 2! Mark found how he could improve his designs to make the Glitterbomb better than ever.
2026-07-21 00:55:29 +0000 UTC→2026-07-21 01:13:02 +0000 UTC(17m)
Destructive Science
Lava vs Lasers - Which Is More Destructive?
2026-07-21 00:26:22 +0000 UTC→2026-07-21 00:55:29 +0000 UTC(29m)
Destructive Science
Mark attempts to beat a world record, and surprise a very special fan!
2026-07-21 00:06:43 +0000 UTC→2026-07-21 00:26:22 +0000 UTC(19m)
Mark Rober Mega Experiments: World's Largest Nerf Crossbow! w/Jesser
Mark & Jesser compete using the world's largest Nerf crossbow!
2026-07-20 23:52:35 +0000 UTC→2026-07-21 00:06:43 +0000 UTC(14m)
Destructive Science
The grand finale! Are lasers really the most destructive thing Mark can get his hands on?
2026-07-20 23:18:05 +0000 UTC→2026-07-20 23:52:35 +0000 UTC(34m)
Turning Kids Drawings Into Real Toys
Who knew brussel sprouts could be so much fun? They still dont taste good though…
2026-07-20 23:08:18 +0000 UTC→2026-07-20 23:18:05 +0000 UTC(9m)
World's Largest Elephant Toothpaste Experiment
I'm not a chemist. Elephant toothpaste (aka slime foam) has sort been done so many times I wanted to do it really big. We did a ton of testing.
2026-07-20 22:55:56 +0000 UTC→2026-07-20 23:08:18 +0000 UTC(12m)
Destructive Science
Mark dropped a car on the world's largest trampoline to test the limits of mechanical engineering!
2026-07-20 22:38:01 +0000 UTC→2026-07-20 22:55:56 +0000 UTC(17m)
Destructive Science
Part 1! Have you ever wondered if acid can melt things faster than lava can?
2026-07-20 22:13:55 +0000 UTC→2026-07-20 22:38:01 +0000 UTC(24m)
This Arcade Game is a SCAM (I have proof)
Don't feel bad. You don't suck, the game makers do.
2026-07-20 22:05:32 +0000 UTC→2026-07-20 22:13:55 +0000 UTC(8m)
Mark Rober Is Your Favorite Science Teacher
Mark demonstrates the relative scale of the planets using a host of household objects.
2026-07-20 21:56:14 +0000 UTC→2026-07-20 22:05:32 +0000 UTC(9m)
Engineering Payback
Sometimes a standard car honk is too aggressive, so Mark made his own "courtesy" horn.
2026-07-20 21:50:06 +0000 UTC→2026-07-20 21:56:14 +0000 UTC(6m)
SCIENCE CLASS #3- Why is the Sky Blue?
Let's get a better mental model beyond just "because blue light scatters more".
2026-07-20 21:16:41 +0000 UTC→2026-07-20 21:50:06 +0000 UTC(33m)
Amazing Animals
Mark tests his pet octopus' survival skills & puzzle-solving abilities
2026-07-20 20:57:39 +0000 UTC→2026-07-20 21:16:41 +0000 UTC(19m)
This Arcade Game is a SCAM (I have proof)
Don't feel bad. You don't suck, the game makers do.
2026-07-20 20:49:16 +0000 UTC→2026-07-20 20:57:39 +0000 UTC(8m)
Mark Rober Is Your Favorite Science Teacher
Mark walks you through 10 of his favorite science fair experiments.
2026-07-20 20:35:50 +0000 UTC→2026-07-20 20:49:16 +0000 UTC(13m)
Engineering For Humanity: Using Drones to Plant 20,000,000 Trees
Mark teams up with MrBeast to plant 20,000,000 trees and combat climate change!
2026-07-20 20:22:26 +0000 UTC→2026-07-20 20:35:50 +0000 UTC(13m)
Mark Rober's Mega Experiments: 1500 Water Balloons + Trampoline- SLO MO!!
Mark wanted to know what it would be like to to bounce on a trampoline with 1,500 water balloons, so he built it, filmed it, and put it in slow mo!
2026-07-20 20:17:12 +0000 UTC→2026-07-20 20:22:26 +0000 UTC(5m)
Amazing Animals
Mark gives his neighborhood crows the ultimate test of their intelligence.
2026-07-20 19:50:48 +0000 UTC→2026-07-20 20:17:12 +0000 UTC(26m)
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