PBS
Pbs Learning Media: Acids and Bases: Making a Film Canister Rocket
ZOOM cast members mix different amounts of baking soda and vinegar to see which combination produces the most carbon dioxide for launching a film-canister rocket. [3:23]
PBS
Pbs Learning Media: Virtual Car: Velocity and Acceleration
Take control of a virtual car and learn how vectors are used to represent velocity and acceleration in this interactive activity developed for Teachers' Domain.
PBS
Pbs Learning Media: Aerodynamics: What Causes Lift?
How does an airplane stay aloft when upside down? This media-rich essay from the NOVA Web site offers an explanation based on Newton's third law of motion.
PBS
Pbs Learning Media: 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.
PBS
Pbs Learning Media: 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.
PBS
Pbs Learning Media: Free Falling and Weightlessness
Discover the difference between free-falling and weightlessness in this interactive activity from the NOVA: "Stationed in the Stars" Web site.
PBS
Pbs Learning Media: Galileo: His Experiments
This interactive activity from the NOVA Web site samples Galileo's experiments with falling objects, projectiles, inclined planes, and pendulums.
PBS
Pbs Learning Media: Astronauts in Hard Hats: Challenges of Working in Space
This media-rich series of interviews from the NOVA: "Stationed in the Stars" Web site explores the unique challenges faced by astronauts doing construction work in outer space.
PBS
Pbs Learning Media: Atmospheric Pressure
Did you know that air has weight? This illustrated essay from the NOVA Web site explores conditions that affect air density and atmospheric pressure.
PBS
Pbs Learning Media: Gamma Ray Burst Theories
This video segment from Swift: Eyes through Time introduces and explains theories of the origin of gamma-ray bursts. [4:11]
PBS
Pbs Learning Media: What Killed the Dinosaurs?
This Evolution Web feature explores how evidence can support a variety of hypotheses surrounding the mystery behind the extinction of the dinosaurs.
PBS
Pbs Learning Media: Electron Transport Chain
This illustration from Biology by Kenneth R. Miller and Joseph Levine describes the steps of the electron transport chain, the second stage in the process of cellular respiration.
PBS
Pbs Learning Media: Mitochondria
Often referred to as the powerhouses of the cell, mitochondria provide the energy that powers nearly every cellular process. This essay by university lecturer John Ross describes in detail the structures and functions of these amazing...
PBS
Pbs Learning Media: Bird Food and Bird Beaks
There are almost as many types of bird beaks as there are types of food that birds like to eat. This collection of images shows a wide range of beaks and the types of foods handled by each.
PBS
Pbs Learning Media: Colorful Creatures
For animals, bright, flashy coloration can serve as a warning or as an invitation. Either way, colorful skin, feathers, and scales yell, "Notice me!" This collection of images shows examples of some of the world's most colorful creatures.
PBS
Pbs Learning Media: Creepy Crawlies
This interactive feature from the NOVA: "Odyssey of Life" Web site explores the often unwitting relationship we share with the billions of "creepy crawlies" that reside in our bodies and in our homes.
PBS
Pbs Learning Media: Living and Nonliving
What is it that distinguishes a living organism from a nonliving object? This collection of images presents examples that aren't as clear-cut as one might think, enticing students to question the meaning of life.
PBS
Pbs Learning Media: Duckweed
These images of duckweed (Lemna spp.) illustrate the basic anatomy and environment of these fast-growing plants.
PBS
Pbs Learning Media: What's Up With the Weather: Graphs
Examine this graph from FRONTLINE/NOVA: "What's Up with the Weather?" Web site to see dramatic increases in three greenhouse gases over the last two hundred years.
PBS
Pbs Learning Media: Chris Schneider: Rethinking Conservation
In this interview filmed for Evolution: "Darwin's Dangerous Idea," biologist Chris Schneider discusses the relationship between conservation and speciation.
PBS
Pbs Learning Media: Complex Relations
In this text excerpted from Chapter 3, "Struggle for Existence," of Charles Darwin's "On the Origin of Species," Darwin draws on firsthand and historical information for his observations about evolution.
PBS
Pbs Learning Media: Convergence: Marsupials and Placentals
This graphic illustrates some of the marsupial mammals in Australia and placental mammals in North America. Even though they are not closely related, these mammals look alike because they have adapted to similar ecological roles. From...
PBS
Pbs Learning Media: Darwin's Diary
At the online companion Web site of "Evolution," the seven-episode series on PBS, delve into the private thoughts of a reluctant revolutionary--Charles Darwin.
PBS
Pbs Learning Media: Darwin's Letters: Collecting Evidence
This group of letters is a sample of the extensive correspondence Darwin carried on with a wide group of friends and colleagues as he collected evidence to support his theory of evolution by natural selection. From Charles Darwin's...