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Adaptation of Butterflies
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One of the bellwether species on the impact of climate change to our environment is the butterfly. Scientists say that warmer temperatures are affecting where butterflies live and breed, causing some species to migrate toward cooler climates near the earths poles. "Changing Planet" is produced in partnership with the National Science Foundation.

Subject:
Life Science
Ecology
Forestry and Agriculture
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Changing Planet
Author:
National Science Foundation
NBC Learn
Black Carbon
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Black carbon, composed of tiny particles of soot, is produced whenever organic substances like fossil fuels, firewood or coal is incompletely burned. These particles are polluting the air and causing serious health and environmental concerns for people around the world. "Changing Planet" is produced in partnership with the National Science Foundation.

Subject:
Life Science
Ecology
Forestry and Agriculture
Chemistry
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Changing Planet
Author:
National Science Foundation
NBC Learn
Coral Reefs
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Scientists are studying coral reefs around the world to discover the impact that warmer temperatures and increased carbon dioxide may have on the life cycle of corals. "Changing Planet" is produced in partnership with the National Science Foundation.

Subject:
Life Science
Ecology
Forestry and Agriculture
Chemistry
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Changing Planet
Author:
National Science Foundation
NBC Learn
Fresh Water in the Arctic
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Scientists are watching the Arctic Ocean closely, and measuring the growing amount of fresh water to see how it could affect the Earth's climate. "Changing Planet" is produced in partnership with the National Science Foundation.

Subject:
Ecology
Forestry and Agriculture
Chemistry
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Changing Planet
Author:
National Science Foundation
NBC Learn
Infectious Diseases
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With the threat of a warmer, wetter world and a larger global population, scientists are researching how climate change may impact the spread of infectious diseases,such as cholera and dengue fever, and how outbreaks may be prevented. "Changing Planet" is produced in partnership with the National Science Foundation.

Subject:
Life Science
Ecology
Forestry and Agriculture
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Changing Planet
Author:
National Science Foundation
NBC Learn
Lake Temperatures
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Scientists studying large lakes in northern and tropical latitudes are finding that rising water temperatures are affecting the ecosystems of these lakes. "Changing Planet " is produced in partnership with the National Science Foundation.

Subject:
Life Science
Biology
Ecology
Forestry and Agriculture
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Changing Planet
Author:
National Science Foundation
NBC Learn
Melting Mountain Glaciers
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The world's glaciers are shrinking at alarming rates, and many scientists believe it is due to changes in climate. Dr. Lonnie Thompson of Ohio State University and Dr. Douglas Hardy of UMass-Amherst discuss glaciers and how they melt, and pay special attention to Africa's tallest mountain, Mt. Kilimanjaro. "Changing Planet" is produced in partnership with the National Science Foundation.

Subject:
Ecology
Forestry and Agriculture
Mathematics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Changing Planet
Author:
National Science Foundation
NBC Learn
Ocean Acidification
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As higher amounts of carbon dioxide become absorbed by the oceans, some marine organisms are struggling to adjust. "Changing Planet" is produced in partnership with the National Science Foundation.

Subject:
Life Science
Ecology
Forestry and Agriculture
Chemistry
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Changing Planet
Author:
National Science Foundation
NBC Learn
Ocean Temperatures
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Bermuda may be known as a luxurious vacation destination, but it also houses one of the world's leading institutes for ocean studies, called BIOS. Dr. Tony Knap explains how climate change is causing ocean temperatures to rise, and what impacts it may bring around the world. "Changing Planet" is produced in partnership with the National Science Foundation.

Subject:
Life Science
Ecology
Forestry and Agriculture
Mathematics
Chemistry
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Changing Planet
Author:
National Science Foundation
NBC Learn
Rising Sea Levels
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In the past century, as the climate has warmed, sea level rise has accelerated. Scientists predict it will only increase, and they're studying changes in the ocean and land to better understand how and why the water is rising. "Changing Planet" is produced in partnership with the National Science Foundation.

Subject:
Ecology
Forestry and Agriculture
Mathematics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Changing Planet
Author:
National Science Foundation
NBC Learn
Science Behind the News
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NBC Learn, in partnership with the National Science Foundation, explores the science, technology, engineering and math found in current events.

Subject:
Journalism
Material Type:
Lecture
Provider:
NBC Learn
Science and Engineering of the 2014 Olympic Winter Games
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NBC Learn and NBC Sports, in partnership with the National Science Foundation, explore the science, technology, engineering and math at the 2014 Olympic Winter Games. Lesson plans and activities are provided by the National Science Teachers Association.

Subject:
Physics
Material Type:
Activity/Lab
Diagram/Illustration
Lecture
Lesson Plan
Unit of Study
Provider:
NBC Learn
Science of NFL Football:  Geometric Shapes:  Spheres, Ellipses & Prolate Spheroids
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NBC's Lester Holt explores the prolate spheroid, the three-dimensional shape of a football, and how it helps an NFL quarterback throw a hard, accurate pass. "Science of NFL Football" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Football League.

Subject:
Geometry
Physics
Material Type:
Lecture
Lesson Plan
Simulation
Provider:
NBC Learn
Provider Set:
Science of NFL Football
Author:
National Football League
National Science Foundation
NBC Learn
Science of NFL Football: Kinematics - Position, Velocity & Acceleration
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NBC's Lester Holt and former NFL running back Deuce McAllister explore kinematics on the playing field. NSF-funded scientists Tony Schmitz from the University of Florida and John Ziegert of Clemson University explain how the kinematic concepts of position, velocity and acceleration can be used to define how a running back moves. "Science of NFL Football" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Football League.

Subject:
Physics
Material Type:
Lecture
Lesson Plan
Simulation
Provider:
NBC Learn
Provider Set:
Science of NFL Football
Author:
National Football League
National Science Foundation
NBC Learn
Science of NFL Football:  Newton's First Law of Motion
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NBC's Lester Holt looks at Newton's First Law of Motion and the role that unbalanced forces play whenever a ball carrier goes head to head with a defender. "Science of NFL Football" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Football League.

Subject:
Law
General Law
Physics
Material Type:
Lecture
Lesson Plan
Simulation
Provider:
NBC Learn
Provider Set:
Science of NFL Football
Author:
National Football League
National Science Foundation
NBC Learn
Science of NFL Football: Newton's Second Law of Motion
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NBC's Lester Holt and former NFL kicker, Morten Andersen, look at what's really behind powerful field goal kicks — Newton's Second Law of Motion. "Science of NFL Football" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Football League.

Subject:
Physics
Material Type:
Lecture
Lesson Plan
Simulation
Provider:
NBC Learn
Provider Set:
Science of NFL Football
Author:
National Football League
National Science Foundation
NBC Learn
Science of NFL Football: Newton's Third Law of Motion
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NBC's Lester Holt looks at Newton's Third Law of Motion and the role that conservation of momentum plays whenever players collide on the football field. "Science of NFL Football" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Football League.

Subject:
Chemistry
Physics
Material Type:
Lecture
Lesson Plan
Simulation
Provider:
NBC Learn
Provider Set:
Science of NFL Football
Author:
National Football League
National Science Foundation
NBC Learn
Science of NFL Football: Nutrition, Hydration & Health
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NBC's Lester Holt looks at the physically demanding pre-season ritual of NFL training camp. Douglas Casa, head of the Korey Stringer Institute at the University of Connecticut, and athletic trainers from the Pittsburgh Steelers explain what NFL players must do to stay hydrated and replenish the essential nutrients needed to maintain good health during rigorous practices. "Science of NFL Football" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Football League.

Subject:
Ecology
Forestry and Agriculture
Nutrition
Chemistry
Physics
Material Type:
Lecture
Lesson Plan
Simulation
Provider:
NBC Learn
Provider Set:
Science of NFL Football
Author:
National Football League
National Science Foundation
NBC Learn
Science of NFL Football: Projectile Motion & Parabolas
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NBC's Lester Holt looks at the science of projectile motion and parabolas with the help of former NFL punter Craig Hentrich. NSF-funded scientists Jim Gates from the University of Maryland and John Ziegert of Clemson University, and NSF-funded mathematician Rhonda Hughes from Bryn Mawr College, explain the significance of vertical and horizontal velocity on the trajectory every time an NFL punter kicks a football into the sky. "Science of NFL Football" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Football League.

Subject:
Physics
Material Type:
Lecture
Lesson Plan
Simulation
Provider:
NBC Learn
Provider Set:
Science of NFL Football
Author:
National Football League
National Science Foundation
NBC Learn
Science of NFL Football:  Pythagorean Theorem
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NBC's Lester Holts explores the path a defender must take in order to tackle a ball carrier, and how this distance — called the "angle of pursuit" — can be calculated by using the Pythagorean Theorem to find the hypotenuse of a right triangle, and the distance of a defender's angle of pursuit. "Science of NFL Football" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Football League.

Subject:
Geometry
Physics
Material Type:
Lecture
Lesson Plan
Simulation
Provider:
NBC Learn
Provider Set:
Science of NFL Football
Author:
National Football League
National Science Foundation
NBC Learn
Science of NFL Football: Torque & Center of Mass
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NBC's Lester Holt looks at how the physics concepts of torque and center of mass are applied in football by some of the games most massive players — the offensive linemen. "Science of NFL Football" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Football League.

Subject:
Physics
Material Type:
Lecture
Lesson Plan
Simulation
Provider:
NBC Learn
Provider Set:
Science of NFL Football
Author:
National Football League
National Science Foundation
NBC Learn
Science of NFL Football: Vectors
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NBC's Lester Holt looks at the role vectors play every time an NFL quarterback throws a pass. With the help of former NFL quarterback Joey Harrington, NSF-funded scientist John Ziegert of Clemson University and NSF-funded mathematician Rhonda Hughes of Bryn Mawr College explain how to use vectors to calculate the speed and direction needed for a completed pass.

Subject:
Geometry
Physics
Material Type:
Lecture
Lesson Plan
Simulation
Provider:
NBC Learn
Provider Set:
Science of NFL Football
Author:
National Football League
National Science Foundation
NBC Learn
Science of NHL Hockey: Force, Impulse & Collisions
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NHL hockey pucks are made of vulcanized rubber and weigh between 5.5 and 6 ounces (160 - 170 g). During a game, every movement of the puck follows the laws of physics and illustrates the concepts of force, impulse and collisions. "Science of NHL Hockey" is a 10-part video series produced in partnership with the National Science Foundation and the National Hockey League.

Subject:
Education
Mathematics
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Science of NHL Hockey
Author:
National Hockey League
National Science Foundation
NBC Learn
Science of NHL Hockey: Hockey Geometry
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From the passes NHL players make to their teammates, to the shots they take to score, players in every position are constantly using geometry when playing the game. The lines, angles and curves on the ice are also examined. "Science of NHL Hockey" is a 10-part video series produced in partnership with the National Science Foundation and the National Hockey League.

Subject:
Education
Mathematics
Geometry
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Science of NHL Hockey
Author:
National Hockey League
National Science Foundation
NBC Learn
Science of NHL Hockey: Kinematics
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NHL skaters can reach speeds in excess of 20 miles (32km) per hour, and during some short bursts approach 30 miles (48 km) per hour. Kinematics, the branch of classical mechanics, helps describe a player's movement across the ice by defining his position, velocity and acceleration. "Science of NHL Hockey" is a 10-part video series produced in partnership with the National Science Foundation and the National Hockey League.

Subject:
Education
Mathematics
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Science of NHL Hockey
Author:
National Hockey League
National Science Foundation
NBC Learn
Science of NHL Hockey: Mass, Volume & Density
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NHL fans might be surprised to learn that the ice surface at a hockey rink is only about one inch thick. Scientists and ice technicians explain the science and math that goes into building and maintaining this surface through the long NHL season. "Science of NHL Hockey" is a 10-part video series produced in partnership with the National Science Foundation and the National Hockey League.

Subject:
Engineering
Education
Mathematics
Chemistry
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Science of NHL Hockey
Author:
National Hockey League
National Science Foundation
NBC Learn
Science of NHL Hockey: Newton's Three Laws of Motion
Conditions of Use:
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Whether they are sprinting down the ice, smashing into the boards or stopping on a dime, NHL players display an amazing mix of speed and strength. These athletic moves also provide great examples of Newton�s Three Laws of Motion. "Science of NHL Hockey" is a 10-part video series produced in partnership with the National Science Foundation and the National Hockey League.

Subject:
Education
Law
General Law
Mathematics
Chemistry
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Science of NHL Hockey
Author:
National Hockey League
National Science Foundation
NBC Learn
Science of NHL Hockey: Projectile Motion
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Unlike a slap shot, an NHL wrist shot isn�t about brute power. It�s about precision � putting the puck in the exact spot where the goalie can�t reach it. A wrist shot is also a perfect example of what�s known in physics as projectile motion. "Science of NHL Hockey" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Hockey League.

Subject:
Education
Mathematics
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Science of NHL Hockey
Author:
National Hockey League
National Science Foundation
NBC Learn
Science of NHL Hockey: Reflexes & Reaction Time
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NHL goalies have lots of equipment designed to help stop pucks, but their most valuable tool is their brain. It's what sparks the nerve impulses that travel to the limbs, allowing the goalie to see and react quickly enough to make a save. "Science of NHL Hockey" is a 10-part video series produced in partnership with the National Science Foundation and the National Hockey League.

Subject:
Education
Life Science
Chemistry
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Science of NHL Hockey
Author:
National Hockey League
National Science Foundation
NBC Learn
Science of NHL Hockey: Statistics & Averages
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Being a top goalie in the NHL takes more than quick reflexes and nerves of steel, it also requires a firm grip on the numbers. Namely, the key averages and statistics of goaltending. "Science of NHL Hockey" is a 10-part video series produced in partnership with the National Science Foundation and the National Hockey League.

Subject:
Education
Mathematics
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Science of NHL Hockey
Author:
National Hockey League
National Science Foundation
NBC Learn
Science of NHL Hockey: Vectors
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NHL players are celebrated for their ability to pass the puck quickly and accurately as play moves from one end of the ice to the other. These pinpoint passes, requiring both magnitude and direction, are perfect examples of velocity vectors. "Science of NHL Hockey" is a 10-part video series produced in partnership with the National Science Foundation and the National Hockey League.

Subject:
Education
Mathematics
Geometry
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Science of NHL Hockey
Author:
National Hockey League
National Science Foundation
NBC Learn
Science of NHL Hockey: Work, Energy & Power
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The slapshot is one of the fastest projectiles in team sports. In order to generate a 100 mile-per-hour (160 kph) slapper, NHL players depend on three important physics concepts: work, energy and power. "Science of NHL Hockey" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Hockey League.

Subject:
Education
Ecology
Forestry and Agriculture
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Science of NHL Hockey
Author:
National Hockey League
National Science Foundation
NBC Learn
Science of the Summer Olympics
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NBC Learn and NBC Sports, in partnership with the National Science Foundation, explore the engineering and technology helping athletes maximize their performance at the 2012 London Games.

Material Type:
Lecture
Provider:
NBC Learn
Thawing Permafrost
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Because of a warming atmosphere, permafrost -- the frozen ground that covers the top of the world -- has been thawing rapidly over the last three decades. But there is cause for concern beyond the far north, because the carbon released from thawing permafrost could raise global temeratures even higher. "Changing Planet" is produced in partnership with the National Science Foundation.

Subject:
Life Science
Ecology
Forestry and Agriculture
Mathematics
Chemistry
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Changing Planet
Author:
National Science Foundation
NBC Learn
Withering Crops
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As the global population continues to increase, scientists and farmers are concerned about the impacts that climate change could have on the world's crops. To better understand the process of photosynthesis and how plants use water and carbon dioxide to thrive, scientists are studying the stress limits of plants. "Changing Planet" is produced in partnership with the National Science Foundation.

Subject:
Life Science
Ecology
Forestry and Agriculture
Mathematics
Chemistry
Physics
Material Type:
Simulation
Provider:
NBC Learn
Provider Set:
Changing Planet
Author:
National Science Foundation
NBC Learn