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Mathematics: Measurement

Resource Grade Level Media Type
Anatomy of a Firework  

Anatomy of a Firework
There's more to a fireworks display than meets the eye. This interactive activity from the NOVA Web site looks at the technology behind each burst of light.

6-12 Flash Interactive
Antarctica: A Challenging Work Day  

Antarctica: A Challenging Work Day
What happens when the ground under your feet is ice and it's moving? This video segment adapted from NOVA features some of the dangers faced by scientists conducting research in Antarctica.

3-12 QuickTime Video
Bee Navigation  

Bee Navigation
This video segment from NOVA: "The Mystery of Animal Pathfinders" explores honeybee communication and navigation.

6-8 QuickTime Video
Birth of a Supernova, Type Ia  

Birth of a Supernova, Type Ia
In this interactive activity from NOVA Online, learn about a type of exploding star — a Type Ia supernova — that is so bright that astronomers can measure the distance to the galaxy in which it resides, and even learn which elements make up the star.

6-12 Flash Interactive
Buoyancy Basics  

Buoyancy Basics
This illustrated demonstration from the NOVA Web site explains the concepts of buoyancy and density by showing what happens when different kinds of wood blocks are dropped in water.

3-8 HTML Document
Buoyancy Brainteasers: Balloon-in-Car Puzzler  

Buoyancy Brainteasers: Balloon-in-Car Puzzler
This interactive brainteaser from the NOVA Web site challenges you to explain the behavior of a helium-filled balloon in a moving car.

3-8 HTML Interactive
Buoyancy Brainteasers: Boat-in-Pool Puzzler  

Buoyancy Brainteasers: Boat-in-Pool Puzzler
This interactive brainteaser from the NOVA Web site challenges you to figure out what happens to the water level when a rock is resting in a boat and when it is submerged in water.

3-8 HTML Interactive
Buoyancy Brainteasers: Buoyancy Question  

Buoyancy Brainteasers: Buoyancy Question
This interactive brainteaser from the NOVA Web site challenges you to figure out what causes an object to sink.

3-8 HTML Interactive
Earthquakes: The Seismograph  

Earthquakes: The Seismograph
This video segment adapted from NOVA uses historical illustrations, photographs, and animations to explain how seismographs work, the difference between P and S waves, and the Richter scale.

6-12 QuickTime Video
Einstein's Special Theory of Relativity  

Einstein's Special Theory of Relativity
What happens when you approach the speed of light? This video segment adapted from NOVA follows one of Albert Einstein's thought experiments and his quest to find the answer.

9-12 QuickTime Video
Einstein's Thoughts on the Ether  

Einstein's Thoughts on the Ether
Do light waves travel through the ether like waves on a lake travel through water? In this video segment adapted from NOVA, a young Albert Einstein grapples with this question while examining the speed of light.

6-12 QuickTime Video
Everest: Test Your Brain  

Everest: Test Your Brain
This interactive feature from the NOVA "Everest" Web site lets you take the same brain quizzes that researchers used to test the brain function of climbers on Mount Everest.

6-8 Shockwave Interactive
Fastest Glacier  

Fastest Glacier
In this video segment adapted from NOVA scienceNOW, scientists in western Greenland explain how a glacier there is shrinking and moving faster due to increased melting.

6-12 QuickTime Video
Fireworks! Making Color  

Fireworks! Making Color
What gives a fireworks display its brilliant blue, green, and red colors? Learn how pyrotechnicians give fireworks color in this video segment adapted from NOVA.

6-12 QuickTime Video
Galileo: His Experiments  

Galileo: His Experiments
This interactive activity from the NOVA Web site samples Galileo's experiments with falling objects, projectiles, inclined planes, and pendulums.

6-12 Flash Interactive
Galileo: His Place in Science  

Galileo: His Place in Science
Einstein called Galileo the "father of modern physics." This media-rich essay from the NOVA Web site looks at Galileo's quest to understand the mathematics of motion.

6-12 HTML Document
Galileo's Inclined Plane  

Galileo's Inclined Plane
How did Galileo figure out the mathematics of falling bodies? This video segment adapted from NOVA examines Galileo's work on motion.

6-12 QuickTime Video
Galileo's Telescope  

Galileo's Telescope
The invention of the telescope helped change our understanding of the universe. This video segment adapted from NOVA looks at Galileo's contribution to this technology.

6-12 QuickTime Video
Galileo: Timeline of His Life  

Galileo: Timeline of His Life
This illustrated timeline from the NOVA Web site turns back the clock to the late 1500's to relive the dramatic life of one of the world's most renowned scientists.

6-12 HTML Document
Gravity at Earth's Center  

Gravity at Earth's Center
In this video segment from NOVA scienceNOW, learn about the effects of gravity as astrophysicist Neil deGrasse Tyson falls through a virtual hole through Earth's center.

6-12 QuickTime Video
History of the Universe  

History of the Universe
This interactive timeline from the NOVA Web site recaps the theoretical origin and formation of the universe, and forecasts its eventual fate.

6-12 Shockwave Interactive
How Big Is the Universe?  

How Big Is the Universe?
In this media-rich essay from the NOVA Web site, astronomer Brent Tully of the University of Hawaiʻi walks you through the latest scientific theories about the size of the universe.

6-12 HTML Document
Hurricanes: New Tools for Predicting  

Hurricanes: New Tools for Predicting
This video segment adapted from NOVA scienceNOW features new advances in predicting the intensity of hurricanes.

6-12 QuickTime Video
Imaging with Radar  

Imaging with Radar
This interactive activity from NOVA features synthetic aperture radar (SAR), which uses radio waves to create high-quality images. Examine SAR images of Washington, D.C., and learn about this technology's unique advantages.

6-12 Flash Interactive
The Leaning Tower: Where It Stands Today  

The Leaning Tower: Where It Stands Today
Will the Leaning Tower of Pisa give way to gravity? In this interview from the NOVA Web site, engineer John Burland relates the difficult job of saving the tower.

6-12 HTML Document
Mount Pinatubo: Predicting a Volcanic Eruption  

Mount Pinatubo: Predicting a Volcanic Eruption
This video segment adapted from NOVA relates the dramatic story of vulcanologists trying to predict the timing of the cataclysmic eruption of Mount Pinatubo in the Philippines.

6-12 QuickTime Video
Raising an Obelisk: An Engineering Puzzle  

Raising an Obelisk: An Engineering Puzzle
This video segment adapted from NOVA follows two teams as they each test a different engineering design in an effort to explain how ancient Egyptians raised a giant stone obelisk.

3-12 QuickTime Video
Relativity and the Cosmos  

Relativity and the Cosmos
This illustrated essay from the NOVA Web site introduces the basic concepts of Einstein's General Theory of Relativity and what we know about cosmology as a result.

6-12 HTML Document
Robot Race  

Robot Race
In this video segment adapted from NOVA, cars drive themselves. Teams of designers using different technologies compete for a two-million-dollar prize to see which unmanned vehicle will make it to the finish line first.

3-12 QuickTime Video
Sagan on Time Travel  

Sagan on Time Travel
Astronomer Carl Sagan discusses the possibility of time travel in this audio-enhanced interview from the NOVAWeb site.

9-12 HTML Document
Shipwrecks Reveal Ocean Currents  

Shipwrecks Reveal Ocean Currents
In this video segment adapted from NOVA, a detailed map showing the trajectories of abandoned ships from the late 1800's is used to reveal the routes of surface currents in the Atlantic Ocean. Animations illustrate the role played by ocean currents in the colonization of North America.

6-12 QuickTime Video
Sound Waves Underwater: Experiment with Sonar  

Sound Waves Underwater: Experiment with Sonar
This animation from the NOVA Web site describes how sonar uses sound waves to "see" underwater.

6-12 HTML Document
Speed of Light: How Fast Is That?  

Speed of Light: How Fast Is That?
How fast is 300,000 kilometers per second? This text from the NOVA Web site offers a few real-world comparisons for the speed of light.

6-12 HTML Document
Speed of Light: Time Traveler  

Speed of Light: Time Traveler
This interactive game from the NOVA Web site explores what happens to time as a traveler approaches the speed of light.

6-12 Shockwave Interactive
Stellar Velocity: The Doppler Effect  

Stellar Velocity: The Doppler Effect
This interactive activity from the NOVA Web site illustrates the Doppler effect and shows how it applies to measuring the direction and speed of stellar objects.

6-12 Flash Interactive
String Theory: A New Picture of Gravity  

String Theory: A New Picture of Gravity
This video segment from NOVA describes the general theory of relativity and the theory of electromagnetism.

6-12 QuickTime Video
String Theory: A Sense of Scale  

String Theory: A Sense of Scale
This interactive activity from the NOVA Web site puts the infinitesimally small world of string theory into perspective.

6-12 Flash Interactive
String Theory: A Strange New World  

String Theory: A Strange New World
This video segment from NOVA chronicles Einstein's quest to unify the forces of electromagnetism and gravity.

6-12 QuickTime Video
String Theory: A Theory of Everything?  

String Theory: A Theory of Everything?
This video segment from NOVA introduces the basic ideas behind string theory and looks at the quest for unification.

9-12 QuickTime Video
String Theory: Elementary Particles  

String Theory: Elementary Particles
This interactive activity from the NOVA Web site looks at the fundamental forces and particles that make up all matter.

6-12 Flash Interactive
String Theory: Gravity - The Odd Man Out  

String Theory: Gravity - The Odd Man Out
This video segment from NOVA describes the discovery in the 1930s of two forces in addition to electromagnetism: the strong nuclear force and the weak nuclear force.

9-12 QuickTime Video
String Theory: Science or Philosophy?  

String Theory: Science or Philosophy?
This video segment from NOVA discusses the challenge of proving the scientific validity of string theory, in question because strings may be too small to ever be seen or detected, and therefore tested.

9-12 QuickTime Video
String Theory: Strings to the Rescue  

String Theory: Strings to the Rescue
This video segment from NOVA discusses the challenge of unifying the force of gravity and the forces described by quantum mechanics into a single theory of unification.

9-12 QuickTime Video
Taking the Earth's Temperature  

Taking the Earth's Temperature
This video segment from FRONTLINE/NOVA: "What's Up with the Weather?" depicts research efforts to record Earth's past and present temperatures shifts.

9-12 QuickTime Video
Think Like Einstein  

Think Like Einstein
This interactive activity from the NOVA Web site challenges you to think like Einstein and understand how time travel might be possible.

6-12 HTML Interactive
To Survive at High Velocity  

To Survive at High Velocity
This video segment adapted from NOVA looks at speed, velocity, and centripetal force on the racetrack.

6-12 QuickTime Video