Physics Puzzles
Flex your skills with some quick and fun physics puzzles.
A Suitably Sturdy Slide
Under Pressure
How Can We Keep Our Plants Watered While We're Away?
Haunted Pipes
The Peachoid
You Eat Like a Bird
What Is the Safest Shape of Plutonium?
Can Plants Prevent Mass Extinction?
Exploding Barrels
An Ocean in the Sky
Flowing Through a Bottleneck
Can Air Conditioners Reverse Global Warming?
Have You Tried the Cold Thanksgiving Diet?
If You Are What You Eat, What Are Plants?
Where Is the Highest Pressure in a Bottleneck?
Rope Ripping
A Cold Day on Mercury
Can You Hit a Ball Around a Corner?
Doctor Brilliantstein
Raising the Roof
How Wet Will You Get?
Build It Taller
Cooking for Fifty
Santa vs. a World of Cookies
High-Heeled Elephants
Sustainable Oil
How Do You Build A Sturdy Structure?
World Freestyle Falling-Down-a-Hill Championships
Should You Walk or Run in Windy Rain?
It's All Relative
Motocross Double Flip
How Much Bigger Were Prehistoric Bugs?
Could a Giant Basketball Player Jump Over a Building?
Can You Predict Which Way This Gear Will Turn?
Twinkle, Twinkle, Little Mouse
Why Are Some Supernovae Dimmer Than Expected?
The Transparent Universe
The Distant Horizon
How Do We Measure the Distance to Another Galaxy?
What Does a Thermometer Read in Space?
What Kind of Exoplanet Have You Discovered?
Could the Ancient Greeks Disprove the Flat Earth Theory?
A Meter Stick for the Stars
Sailing Out of Orbit
What is the Cosmic Microwave Background Trying to Tell Us?
A Gravitational Mystery
Olbers' Paradox
Finding Planets With Starlight You Don't See
Lights in the Night
The Cosmological Principle
A Teaspoon of Neutron Star
How Fast Is the Universe Expanding?
How Deep Is Our Gravity Well?
Interplanetary Speedup
Why Astronauts Can’t Have Crème Brûlée
Shooting from the Moon
Why Can't You See the Far Side of the Moon?
How Did Prehistoric Humans Track the Time of Year?
Rocket Earth
How To Climb Out Of A Gravity Well
Do You Weigh More in Helsinki or Mexico City?
The Flat Earth Conspiracy
How Did Voyager Get so Far?
Blowing Up an Asteroid
A Jovian Moon Puzzle
Cones of Possibility
Creating or Destroying Mass
Time Flies When You Turn Around
Cycling Through Spacetime
Who Moved First, Near the Speed of Light?
How Old Is Your Twin?
The Twin Looks Back
How Do the Muons Reach the Ground?
Course description
Flex your skills with some quick and fun physics puzzles.