Skip to main content
Practical Uses of Math And Science
Math Skills By Grade Group
Thinking and Learning Characteristics
Benchmarks and Standards
Your email address
Example for comment
- Select a value -
Algebra Magic - Create Your Own Number Puzzles
Automatic Windshield Wipers
Can an Astronaut on Mars distinguish the Earth from its Moon?
Coastal Threat: A Story In Unit Conversions
Color and Spectrum
Contouring and Topo Maps
Could a World of Swimmers Raise Sea Level?
Cross Section and Slope
Determining the Altitude of Iridium Flares
Dollar$ or Cent$?
Dr. Smith vs. The Lawyer
Earth Turns? Prove It!
Geometric Addition + Logarithms = Geometric Multiplication
Geometry to the Rescue: A Story in Pictures
Grandpa's Social Security
How Far Can You See?
How Many Days Are in a Year?
How Now, Pythagoras?
How Thick is the Atmosphere?
Hypothermia in the Little House
Ice Sheets and Sea Level Rise
Just What is a Logarithm, Anyway?
Learning from Slide Rules
Learning to Think Globally
Length of the Day
Logarithms: Taking the Curve Out
Mixing and Stirring
Modeling the Motions of the Earth, Moon and Sun
Modulus in Real Life
Now You See It, Now You Don't
Particle Man and the Photon
Pilots, Airplanes, and the Tangent of Three (3) Degrees
Probability and Traffic Signals
Right Place, Wrong Time
Rotational Motion and Rocket Launches
Sand or Rock? Finding Out from 1,000 km
Scavenger Hunt: Simulating Natural Selection
Seeing Interference Fringes
Seeing Interference Fringes with a Telescope
Snowmelt and Floods
Square Root of 2: Irrational, Yes! Impractical, No!
Square Roots Using a Carpenter's Square
Teaching Atomic Structure Using Cooperative Learning
Teaching Radicals in Less than Five Minutes
The Cause of the Earth's Seasons
The Cause of the Phases of the Moon
The Fall of the Ruler
The Mathematical Implications of Lying
The Moon Orbits the Sun?!?!
The Rubber Band Problem
The Shadow of the Dog
There's Air in There!
Two Answers are Better than One
Volcanic Clouds and the Atmosphere
Volcanoes and Urban Planning
Water Bottles, Root Beer, and Air
What is Wind Chill?
What the Doppler Effect Tells Us About Distant Stars and Planets
When a Ruler Is Too Short
Who Hits Harder: The Nordic Skier or Aerial Jumper?
Why Don't Clouds Fall Out of the Sky?
Why is Summer Hot?
Domino Multiple Game
Thermo and Fluid Dynamics of a Homemade Lava Lamp
Mapping Your State and Community
Making Clouds: Aerosol-Cloud Interactions in a Beaker
Studies of a Population of Stars: Distances and Motions
Studies of a Population of Stars: How Bright Are the Stars, Really?
Studies of a Population of Stars: Mapping the Positions of Stars
Why Is There a Tidal Bulge Opposite the Moon?
It's Raining Cats and Dogs...and Fish and Frogs...and Birds
Estimating Planar Areas Using Analogue Methods
Why Tailgating on Freeways is Unsafe: A Real-life Example Using Quadratic Equations
How Big Is the Earth?
Lower Calories, Lower Fat: Making a Healthier Cake Without Loss of Taste
Finding All Solutions to a Puzzle
Measuring the Earth
What makes cities hot? An urban heat island activity
Confidence in Medical Tests
Motivating Honest Budgets and Hard Work Simultaneously
Battle Strategies in the Bismarck Sea
How to Win at Rock-Paper-Scissors
An Example of the Value of Information
Proving the Pythagorean Theorem
Choose the Example you wish to comment on from the list above.
6 + 14 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.
Leave this field blank