Teachers' Domain is moving soon to its new and improved home — PBS LearningMedia!          Learn More
 
Technology and Engineering

Technological Advances

BACK TO:
RESOURCE GRADE LEVEL MEDIA TYPE
Air Bag Design

Air Bag Design

Using automobile crash test footage, this video segment adapted from NOVA shows some of the challenges in designing the air bag.

3-12

Video

Airplanes: Designing for Stealth

Airplanes: Designing for Stealth

Explore this NOVA interactive activity to see how engineers have modified a military plane's sound, shape, and heat emissions to minimize detection.

6-12

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. OER Level

3-12

Video

Antarctica: Sea Ice

Antarctica: Sea Ice

This video segment adapted from NOVA uses microwave images to reveal how sea ice doubles the size of Antarctica each winter. Rare footage shows how sea ice crushed the famous ship Endurance in 1914. OER Level

K-12

Video

Antarctic Ice Movement: Part II

Antarctic Ice Movement: Part II

Within Antarctic ice sheets are fast-moving streams of ice. This video segment adapted from NOVA hypothesizes about how ice streams are the result of warming at the end of the last ice age.

6-12

Video

Are Computers Intelligent?

Are Computers Intelligent?

This video excerpt from NOVA: “Smartest Machine on Earth” explains why computers can be so good at chess. OER Level

6-12

Video

Are We Alone?

Are We Alone?

This video segment adapted from NOVA features a variety of scientific perspectives on the age old question, "Are we alone in the universe?" Animations make vivid the improbability that we could intercept a radio wave signaling extra terrestrial intelligence.

6-12

Video

Astronauts in Hard Hats

Astronauts in Hard Hats

This media-rich series of interviews from the NOVA Web site explores the unique challenges faced by astronauts doing construction work in outer space.

6-12

Document

The Beginnings of the Telescope

The Beginnings of the Telescope

This animated essay from the NOVA Web site examines the design of Galileo's refracting telescope and Sir Isaac Newton's reflecting telescope.

6-12

Document

Bioengineering Body Parts

Bioengineering Body Parts

In this video segment adapted from NOVA scienceNOW, scientists discuss their attempts to grow human body parts in a jar. OER Level

9-12

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

Interactive

Brain Trauma

Brain Trauma

Find out how serious head concussions can be in this video segment adapted from NOVA scienceNOW. OER Level

6-12

Video

Breaking Point: Testing Tensile Strength

Breaking Point: Testing Tensile Strength

This video excerpt from NOVA’s "Making Stuff: Stronger" and accompanying demonstration illustrate the toughness and tensile strength of Kevlar® and other everyday materials. OER Level

6-12

Video

Bt Corn

Bt Corn

This video segment from FRONTLINE/NOVA: "Harvest of Fear" looks at corn that has been genetically modified to resist one insect pest, and the multiple concerns it raises.

9-12

Video

Build a Bridge

Build a Bridge

Survey potential bridge sites, research bridge design, and select the right bridge for the right location in this interactive activity from the NOVA Web site.

6-12

Interactive

Building a Cleaner Battery

Building a Cleaner Battery

This video excerpt from NOVA’s "Making Stuff: Cleaner" and accompanying activity guide for grades K–8 introduce students to the design and use of batteries and the rapidly developing science of clean energy and clean materials. OER Level

6-12

Video

The Business of Bioplastics

The Business of Bioplastics

This video excerpt from NOVA’s "Making Stuff: Cleaner" and accompanying demonstration introduce students to the production and importance of bioplastics, or plastics made from plant or animal products. OER Level

6-12

Video

Can a Computer Fly an Airplane?

Can a Computer Fly an Airplane?

This video excerpt from NOVA shows how the computer system on the A330 airplane can fly the plane safely without a human pilot. OER Level

6-12

Video

Capturing Carbon

Capturing Carbon

In this video segment adapted from NOVA scienceNOW, a scientist, inspired by his daughter's science fair project, develops a synthetic "tree" to remove excess carbon dioxide from the air. OER Level

6-12

Video

Capturing Carbon: Where Do We Put It?

Capturing Carbon: Where Do We Put It?

In this interactive activity from NOVA scienceNOW, explore options for storing carbon dioxide in order to prevent further global warming.

6-12

Interactive

Carbon-Fiber Car of the Future

Carbon-Fiber Car of the Future

In this video segment adapted from NOVA, find out how cars made of a material stronger than steel and half the weight can help combat climate change. OER Level

6-12

Video

Centripetal Force: Pulling Cs and Gs

Centripetal Force: Pulling Cs and Gs

In this interactive activity from NOVA, discover how centripetal force can affect you when riding in a car or flying at high speeds in a fighter jet.

3-8

Interactive

Chasing Tornadoes

Chasing Tornadoes

In this video segment adapted from NOVA, scientists are on the hunt for tornadoes. Using Doppler radar, they gather data in the hopes of solving the mystery of how tornadoes form. OER Level

6-12

Video

Classical vs. Transgenic Breeding

Classical vs. Transgenic Breeding

This video segment from FRONTLINE/NOVA: "Harvest of Fear" explains that genetic engineering and classical breeding both alter the genetic makeup of crop plants.

9-12

Video

Dating Lava Flows on Mauna Loa Volcano, Hawaiʻi

Dating Lava Flows on Mauna Loa Volcano, Hawaiʻi

In this video segment adapted from NOVA, scientists search for carbonized remains of plants preserved in lava flows to find out how long it has taken rain forests on Hawaiʻi to regenerate after a volcanic eruption. OER Level

3-12

Video

Deadly Letters: The Anthrax Mystery

Deadly Letters: The Anthrax Mystery

In this media rich lesson plan from NOVA scienceNOW, student teams investigate a fictional anthrax case by modeling DNA sequencing and tracking down the guilty lab.

9-12

Lesson Plan

Deep-Sea Vents and Life's Origins

Deep-Sea Vents and Life's Origins

Deep-sea vents are home to life forms that do not rely on the Sun's energy. They depend instead on energy from volcanoes on the ocean floor. This video segment adapted from NOVA hypothesizes that life on Earth may have begun in this extreme environment. OER Level

3-12

Video

Earthquakes: San Francisco

Earthquakes: San Francisco

The history of earthquakes in the San Francisco Bay area is plotted on a digital map and analyzed in this video segment adapted from NOVA.

6-12

Video

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

Video

Eclipse of the Century

Eclipse of the Century

This video segment adapted from NOVA features spectacular footage from the 1991 solar eclipse that fortuitously occurred directly over several major astronomical observatories in Hawaiʻi. OER Level

3-12

Video

Engineer a Crop: Transgenic Manipulation

Engineer a Crop: Transgenic Manipulation

You're the geneticist now. In this interactive feature from the NOVA/FRONTLINE "Harvest of Fear" Web site, use the latest in genetic technology to engineer your own "supercrop" of tomatoes.

9-12

Interactive

Evidence for the Big Bang Theory

Evidence for the Big Bang Theory

This video segment adapted from NOVA tells the story of two scientists who inadvertently discovered microwave radiation that is now believed to be heat left over from the Big Bang.

9-12

Video

Exploring the Arctic Seafloor

Exploring the Arctic Seafloor

In this interactive activity adapted from NOVA scienceNOW, learn what some of the first imagery ever shot on the Arctic Ocean seabed tells us about life in extreme environments.

6-12

Interactive

Extreme Temperatures on the Moon

Extreme Temperatures on the Moon

In this video segment adapted from Interactive NOVA, astronaut John Young experiences extreme temperatures on the Moon that are a result of the Moon's low gravity and lack of atmosphere. OER Level

3-12

Video

A Family Disease

A Family Disease

This video segment from NOVA: "Cracking the Code of Life" explores the implications of genetic testing for breast cancer.

9-12

Video

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. OER Level

6-12

Video

Finding Cures Is Hard

Finding Cures Is Hard

This video segment from NOVA: "Cracking the Code of Life" explains the difficulty of curing genetic diseases such as cystic fibrosis.

9-12

Video

Finding Disease Genes

Finding Disease Genes

This video segment from NOVA: "Cracking the Code of Life" explains the process of finding genes that cause disease.

9-12

Video

Fire Safety in High Rises

Fire Safety in High Rises

This video segment adapted from NOVA explains how the sprinkler revolutionized fire safety and also features developments in fire-safety design for high-rise buildings. OER Level

6-12

Video

Flood: Farming and Erosion

Flood: Farming and Erosion

In this video segment adapted from NOVA, scientists investigate how farming along the Mississippi River impacts floods and what can be done about it. OER Level

3-12

Video

Forensic DNA Analysis

Forensic DNA Analysis

This video segment from NOVA: "The Killer's Trail" investigates the potential for DNA evidence to solve murder cases, even those from the distant past. OER Level

9-12

Video

Forensics

Forensics

Find out how DNA profilers analyze bits of tissue to identify human remains. From NOVA: "Lost on Everest" Web site.

9-12

Document

Fuel Cells

Fuel Cells

In this video segment adapted from NOVA scienceNOW, hydrogen fuel cell cars promise pollution-free driving, but will we see them anytime soon?

6-12

Video

Galileo: Discovering Jupiter's Moons

Galileo: Discovering Jupiter's Moons

This video segment adapted from NOVA shows how Galileo, using his newly developed refracting telescope, observed four of Jupiter's moons, the first astronomical bodies to be discovered since ancient times. OER Level

3-12

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. OER Level

6-12

Video

Galileo: Sunspots

Galileo: Sunspots

This video segment adapted from NOVA shows how Galileo used his telescope to carefully observe and study sunspots. OER Level

3-12

Video

Genetic Modification

Genetic Modification

This video segment from NOVA: "Cracking the Code of Life" looks at the potential created by understanding the human genome.

9-12

Video

Genetics Case Studies

Genetics Case Studies

Wrestle with ethical issues concerning genetic rights and practices from the NOVA: "Cracking the Code of Life" Web site.

9-12

Document

Genetic Variation

Genetic Variation

This video segment from NOVA: "Cracking the Code of Life" explores the genetic similarities and differences among organisms.

9-12

Video

Genome Facts

Genome Facts

This list from NOVA: "Cracking the Code of Life" Web site provides some of the basic, yet impressive, facts and figures about the Human Genome Project.

9-12

Document

Getting Airborne and Wing Design

Getting Airborne and Wing Design

What makes an airplane fly? Discover the connection between Newton's third law of motion and flight in this interactive activity from the NOVA Web site.

6-12

Interactive

Global Warming: Beyond Fossil Fuels

Global Warming: Beyond Fossil Fuels

Martin Hoffert, professor of physics at New York University, discusses global warming and alternative energies in this interview from the NOVA/FRONTLINE Web site.

6-12

Document

Global Warming: Carbon Dioxide and the Greenhouse Effect

Global Warming: Carbon Dioxide and the Greenhouse Effect

This video segment adapted from NOVA/FRONTLINE demonstrates the physical property of carbon dioxide that causes the greenhouse effect. OER Level

6-12

Video

Global Warming: Graphs Tell the Story

Global Warming: Graphs Tell the Story

Examine these graphs from the NOVA/ FRONTLINE Web site to see dramatic increases in the temperature of Earth's surface and greenhouse gases in the atmosphere.

6-12

Document

Global Warming: Graphs Tell the Story

Global Warming: Graphs Tell the Story

Examine graphs from the NOVA/FRONTLINE Web site to see dramatic changes in the temperature of Earth's surface and in the levels of greenhouse gases in the atmosphere.

9-12

Document

Global Warming: The Developing World

Global Warming: The Developing World

This video segment adapted from NOVA/FRONTLINE looks at the future of global warming as developing nations, including India and China, increase their need for energy. OER Level

6-12

Video

Global Warming: The Hydrogen Car

Global Warming: The Hydrogen Car

Is the hydrogen car the answer to global warming? This video segment adapted from NOVA/FRONTLINE looks at the pros and cons of this developing technology. OER Level

3-12

Video

Guess What's Coming to Dinner?

Guess What's Coming to Dinner?

Browse through a table full of genetically modified (GM) foods to see what's available now and what's to come. From the FRONTLINE/NOVA: "Harvest of Fear" Web site.

9-12

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

Document

How Cancer Cells Grow and Divide

How Cancer Cells Grow and Divide

This animation from NOVA: "Battle in the War on Cancer: Breast Cancer" describes how oncogenes cause cancer and how cancerous cells can spread throughout the body. OER Level

6-12

Video

How Do Tornadoes Form?

How Do Tornadoes Form?

In this video segment adapted from NOVA, scientists use computer simulations to explore the question of how supercell thunderstorms produce tornadoes.

6-12

Video

How Do You Get to the Moon?

How Do You Get to the Moon?

This video, adapted from NOVA, showcases the competing engineering plans designed for landing a person on the Moon for the first time. OER Level

6-12

Video

Human Genome Project

Human Genome Project

This video segment from NOVA: "Cracking the Code of Life" looks at the meaning and significance of the effort to decode the human genome. OER Level

6-12

Video

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. OER Level

6-12

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

Interactive

Ingredients for Life: Water

Ingredients for Life: Water

This video segment adapted from NOVA goes on a whimsical journey in search of life forms thriving in extreme conditions on Earth and in outer space. Animations show ice on Jupiter's moon, Europa, and signs that water once existed on Mars.

3-12

Video

Inside a Solar Cell

Inside a Solar Cell

This interactive activity adapted from NOVA Online features animations that illustrate the components of a typical photovoltaic cell and how it converts solar energy into electricity. OER Level

9-12

Interactive

Island of Stability

Island of Stability

In this video segment adapted from NOVA scienceNOW, follow scientists in their quest to understand how stable elements are made and how to create the elusive element 114. OER Level

9-12

Video

Jupiter: Earth's Shield

Jupiter: Earth's Shield

Jupiter's immense gravity protects Earth from asteroids. In this video segment adapted from NOVA, scientists searching for signs of life in the universe identify solar systems with Jupiter-like planets that may be shielding smaller nearby Earth-like planets from comets and asteroids. OER Level

6-12

Video

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

Document

Lightning Hunters

Lightning Hunters

Find out how scientists and engineers use rockets to attract lightning in this video segment adapted from NOVA.

3-12

Video

The Light Stuff

The Light Stuff

This interactive activity from the NOVA Web site asks which items in your home can slow down the speed of light.

6-12

Interactive

Luis von Ahn: Computer Scientist

Luis von Ahn: Computer Scientist

This video segment adapted from NOVA scienceNOW profiles Luis von Ahn, the computer scientist and award-winning college professor behind innovations to prevent e-mail spam and digitize rare books. OER Level

6-12

Video

Magnetic Microbots

Magnetic Microbots

This video excerpt from NOVA’s "Making Stuff: Smaller" and accompanying activity for grades K–8 teach students how materials scientists are building extremely small robots that may be able to travel inside the human body. OER Level

6-12

Video

Making Cortisone From Plants

Making Cortisone From Plants

This video segment adapted from NOVA is a dramatized story of chemist Percy Julian’s work to synthesize cortisone. Find out how a biological process, not a chemical one, proved the key to producing cortisone in bulk. OER Level

6-12

Video

Mars Dead or Alive: A Hostile Environment

Mars Dead or Alive: A Hostile Environment

This NOVA video segment describes the challenges presented by the frozen desert environment of Mars to NASA engineers designing two robots that will journey millions of miles to the red planet.

6-12

Video

Mirror Neurons

Mirror Neurons

This video segment, adapted from NOVA scienceNow, introduces the latest research on a system of neurons that plays a part in how people relate to each other. OER Level

6-12

Video

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

Video

A Nanotube Space Elevator

A Nanotube Space Elevator

In this video adapted from NOVA scienceNOW, find out about the discovery of a new building material, the carbon nanotube, whose physical properties could theoretically enable the creation of a 22,000-mile elevator to space. OER Level

6-12

Video

Nanowires and the Ever-Shrinking Microchip

Nanowires and the Ever-Shrinking Microchip

This video excerpt from NOVA’s "Making Stuff: Smaller" and accompanying demonstration introduce students to small, thin wires, called nanowires, that may help make computers and electronics even smaller in the future. OER Level

6-12

Video

Nature's Pharmacy

Nature's Pharmacy

In this interactive activity from NOVA, learn about chemicals in nature that are used in medicine.

3-12

Interactive

Newton's Third Law of Motion: Astronauts in Outer Space

Newton's Third Law of Motion: Astronauts in Outer Space

In this video segment adapted from NOVA, NASA learns hard lessons from the first American attempt to do work while "walking" in space. The video also explores Newton's third law of motion. OER Level

3-12

Video

New Ways to Catch Rays

New Ways to Catch Rays

This interactive resource adapted from NOVA Online explores eight of the latest technological developments designed to harness the energy of the Sun. OER Level

9-12

Interactive

Oil Spill: <em>Exxon Valdez</em>, 1989

Oil Spill: Exxon Valdez, 1989

This video segment adapted from NOVA follows the clean-up effort after the 1989 Exxon Valdez oil spill off the coast of Alaska. Also featured is a marsh where an oil spill occurred 20 years earlier; analysis suggests that environmental damage may last for decades. OER Level

6-12

Video

On Human Cloning

On Human Cloning

Three cloning experts share their opinions in these interviews from the NOVA "18 Ways to Make a Baby." Web site.

9-12

Document

OPERATION: Heart Transplant

OPERATION: Heart Transplant

Perform a virtual heart transplant in 19 easy steps with this interactive feature from the NOVA: "Electric Heart" Web site.

6-8

Interactive

Organic Farming: Conserving Topsoil

Organic Farming: Conserving Topsoil

Against the backdrop of the devastating 1930's Dust Bowl, this video segment adapted from Interactive NOVA profiles an organic farmer and the techniques he uses to conserve topsoil. OER Level

3-12

Video

The Origin of the Elements

The Origin of the Elements

This video segment adapted from NOVA explains the origin of the elements and how scientists use unique element profiles to identify supernova types. OER Level

6-12

Video

Outsmarting Oobleck

Outsmarting Oobleck

This video excerpt from NOVA’s "Making Stuff: Smarter" and accompanying activity for grades K–8 help students investigate some “smart” materials that respond to forces or changes in their environment in unusual ways. OER Level

6-12

Video

Pilotless Flight: Timeline of Unmanned Aerial Vehicles

Pilotless Flight: Timeline of Unmanned Aerial Vehicles

Explore this NOVA interactive timeline and discover the many technological innovations in the history of unmanned flight, from hot-air balloons to miniature flying robots.

6-12

Interactive

Preimplantation Genetic Diagnosis

Preimplantation Genetic Diagnosis

This video segment from NOVA: "18 Ways to Make a Baby" describes a technique used to determine the health of a developing embryo.

9-12

Video

Pyrotechnically Speaking

Pyrotechnically Speaking

Meet chemistry professor Dr. John Conkling in this interview from the NOVA Web site and learn why fireworks are his passion.

6-12

Document

Quarks: Inside the Atom

Quarks: Inside the Atom

This video segment adapted from NOVA shows how the particle accelerator helped physicists find parts of the atom even smaller than protons and neutrons.

6-12

Video

RNAi Therapy

RNAi Therapy

In this video segment adapted from NOVA scienceNOW, learn about RNAi's potential to treat a wide range of genetic and infectious diseases. OER Level

9-12

Video

Robofly

Robofly

Featuring slow-motion footage of insects in flight, this video adapted from NOVA explores the engineering challenge of designing a robotic aerial vehicle that flies like a bug. OER Level

6-12

Video

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. OER Level

3-12

Video

The Role of Genetics in Obesity

The Role of Genetics in Obesity

In this video segment from NOVA scienceNOW, meet researchers who are studying obesity and trying to understand the role that hormones and genetics can play in regulating appetite. OER Level

6-12

Video

Sequence for Yourself

Sequence for Yourself

How do researchers read the tiny As, Gs, Ts, and Cs that comprise DNA? This step-by-step explanation shows you. From NOVA: "Cracking the Code of Life."

9-12

Interactive

The Sequencing Race Begins

The Sequencing Race Begins

This video segment from NOVA: "Cracking the Code of Life" looks at one of the key players in the race to decode the human genome.

9-12

Video

Should We Grow GM Crops?

Should We Grow GM Crops?

Learn the pros and cons of genetically modified (GM) crops, and cast your vote on whether they should be grown. From the FRONTLINE/NOVA: "Harvest of Fear" Web site.

9-12

Interactive

Smart Bridges

Smart Bridges

In this video segment adapted from NOVA scienceNOW, learn about engineering innovations that could help detect a bridge's structural weaknesses before they become dangerous. OER Level

6-12

Video

Smart Power Grid

Smart Power Grid

This video segment adapted from NOVA scienceNOW provides an overview of the existing United States power grid, and envisions a "smart" power grid that would prevent problems, such as blackouts, and reduce energy waste and pollution. OER Level

6-12

Video

Snapshot of U.S. Energy Use

Snapshot of U.S. Energy Use

This video segment adapted from NOVA/FRONTLINE looks at American energy consumption and the resulting production of greenhouse gases. OER Level

3-12

Video

Solar Magnetism

Solar Magnetism

This video segment adapted from NOVA describes how the Sun's magnetism can have an effect here on Earth, from dramatic auroras to a mini-Ice Age in the 1600s. OER Level

6-12

Video

Solar Paint Your Roof

Solar Paint Your Roof

In this video segment adapted from NOVA, see how nanotechnology might be used to create a new, cheaper way to produce solar electricity for the home. OER Level

6-12

Video

Solar Panels for Your Home

Solar Panels for Your Home

In this video segment adapted from NOVA, take a look inside a solar panel to see how it works, and hear firsthand about the benefits from homeowners who are using this technology. OER Level

6-12

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

Document

Sound Waves Underwater: The Loch Ness Monster

Sound Waves Underwater: The Loch Ness Monster

This video segment, adapted from NOVA follows a team of enthusiasts and scientists who attempt to find a trace of the Loch Ness monster by scouring the lake with sonar. OER Level

6-12

Video

Sound Waves Underwater: True or False

Sound Waves Underwater: True or False

This interactive quiz from the NOVA Web site features an array of interesting facts about the nature of sound underwater.

3-12

Interactive

Steam Machine

Steam Machine

Explore NOVA Online's interactive steam engine and discover how this machine can convert heat to mechanical energy.

3-12

Interactive

Stem Cell Debate

Stem Cell Debate

This essay from the NOVA "Life's Greatest Miracle" Web site explores the debate over the use of embryonic stem cells in scientific research.

9-12

Document

Stories in the Ice

Stories in the Ice

Take a journey back through time, on the NOVA/FRONTLINE Web site, using ice cores to learn about Earth's climatic history, including evidence of global warming and nuclear activity.

6-12

Document

A Strange New Planet

A Strange New Planet

This video segment adapted from NOVA features the first planet to be discovered outside our solar system. Its surprisingly large size and short orbit sent scientists back to their data and led them to discover similar planets. OER Level

6-12

Video

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

Video

String Theory: A Theory of Everything Essay

String Theory: A Theory of Everything Essay

In this essay from the NOVA Web site, string theorist Brian Greene introduces the basic ideas behind string theory and how it might help us better understand the universe.

9-12

Document

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

Video

Super Salmon

Super Salmon

This video segment from FRONTLINE/NOVA: "Harvest of Fear" explores genetic modification of salmon and possible consequences. OER Level

9-12

Video

Synthesizing an Alkaloid

Synthesizing an Alkaloid

In this video segment, adapted from NOVA, learn how chemist Percy Julian revolutionized chemistry by synthesizing the alkaloid physostigmine from scratch—the first total synthesis of a chemical compound. OER Level

9-12

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. OER Level

9-12

Video

Strong as Steel: Testing Toughness

Strong as Steel: Testing Toughness

This video excerpt from NOVA’s "Making Stuff: Stronger" and accompanying activity for grades K–8 help students investigate the strength and toughness of steel and other everyday materials. OER Level

6-12

Video

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. OER Level

6-12

Video

Tour the Electromagnetic Spectrum

Tour the Electromagnetic Spectrum

Take NOVA's interactive tour of the electromagnetic spectrum and find out why your eyes are like antennae for a narrow band of electromagnetic radiation.

6-12

Interactive

Trying to Breathe on Mount Everest

Trying to Breathe on Mount Everest

In this video segment adapted from NOVA, climbers attempting to reach Mount Everest's summit must contend with the low levels of oxygen at high altitudes. OER Level

6-12

Video

Viewpoints: Harvest of Fear

Viewpoints: Harvest of Fear

What do the experts say about genetically modified (GM) foods? Read these interview excerpts from the FRONTLINE/NOVA: "Harvest of Fear" Web site to find out.

9-12

Document

When Did the First Americans Arrive?

When Did the First Americans Arrive?

In this video segment adapted from NOVA, recent archeological evidence leads scientists to revise existing theories about human migrations into the Americas around the time of the last ice age.

6-12

Video

Who Owns the Genome?

Who Owns the Genome?

This video segment from NOVA: "Cracking the Code of Life" examines the social and ethical implications of genome research.

9-12

Video

Your Carbon Diet

Your Carbon Diet

In this interactive activity from the NOVA/FRONTLINE Web site, you can click on various items in a typical New England house to find out how much energy each uses and some ways to reduce energy consumption in your home.

6-12

Interactive

Your Carbon Diet

Your Carbon Diet

Find out how much energy you use and some ways to conserve in this interactive activity from the NOVA/FRONTLINE Web site.

3-12

Interactive