eSchool Today
E School Today: Elements, Compounds, Substances and Mixtures
Learn about the classification of matter based on whether the chemical composition is pure or a mixture. Understand the definitions of elements, compounds, substances, and mixtures, and what the differences are between them. Five types...
eSchool Today
E School Today: Energy
Explains different kinds of energy, covering kinetic, potential, gravitational, mechanical, sound, thermal, chemical, electrical, and radiant energy. Also looks at storage, transfer, and dissipation of energy. Includes a short...
eSchool Today
E School Today: Your Cool Basics on Water Shortage
Despite seventy percent of the world's surface being covered with water, there is a potential shortage of this natural resource. Only a small percentage is fresh water and much of that is inaccessible or threatened. Learn about fresh...
eSchool Today
E School Today: Your Cool Basics on Forest Preservation
Learn about the different kinds of forests, how forests are structured, their importance, deforestation and its impact, forest degradation, and what individuals can do to protect forests.
eSchool Today
E School Today: Your Cool Facts and Tips on Air Pollution
Looks at air pollution, its causes and impact, common pollutants, and what individuals and governments can do to combat it.
eSchool Today
E School Today: Your Cool Facts and Tips on Light Pollution
What is light pollution and why should we care about it? Learn what it is, the different types, sources of this type of pollution, the impact it has, and ways to combat it.
National Endowment for the Humanities
Neh: Edsit Ement: Not Everyone Lived in Castles During the Middle Ages
Forget the romantic view of the Middle Ages. What was it really like? Lesson plan focuses on exploring the lives of the peasants, craftsmen, and monks. Hyperlinks lead to great illustrations.
PBS
Pbs Learning Media: Nisqually Glacier at Mount Rainier
Observe the Nisqually Glacier at Mount Rainier in this video segment from NatureScene. [4:07]
PBS
Pbs Learning Media: Igloo 101
Learn what it takes to build an igloo from the best kind of snow to the most effective tools and other little-known facts about these traditional Canadian Inuit structures in this interactive activity from NOVA.
PBS
Pbs Learning Media: Waterslides
Join Valerie and Margie as they devise ways to measure how fast and how "wild" two water slides are in this video from DragonflyTV. [3:12]
PBS
Pbs Learning Media: Mystery Mud: Exploring Changes in States of Matter
Join a group of middle-school students on a visit to a laboratory at the Massachusetts Institute of Technology, where they experiment with "mystery mud" and learn about the relationships between magnetism, particle motion, and changes in...
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: Atmospheric Oxygen
In this feature, adapted from Interactive NOVA: Earth, students explore the relationship between oxygen concentration and the well-being of various organisms by simulating a change in oxygen levels and observing what happens.
PBS
Pbs Learning Media: Scent of an Alewife
This video segment from NOVA: "Sea Behind the Dunes" tracks the return of spawning alewife fish from the open ocean back to the freshwater streams and ponds where they were born. [3:34]
PBS
Pbs Learning Media: Seeing Through Camouflage
This interactive feature from the NOVA: "Leopards" Web site presents a wide variety of ways in which animals use coloration to their advantage.
PBS
Pbs Learning Media: The Teenage Brain
Why do teenagers act the way they do? This video segment from FRONTLINE: "Inside the Teenage Brain" explores the work scientists are doing to explain some of the mysteries of teenage behavior.
PBS
Pbs Learning Media: Amazing Heart Facts
This feature from the NOVA: "Cut to the Heart" highlights facts about the heart, including its size and placement, and will help you to understand the importance of this wondrous organ in our bodies.
PBS
Pbs Learning Media: Reading a Thermometer
In this video segment from Cyberchase, the CyberSquad learns how to read a thermometer as they try to keep their chocolate sculpture from melting.
PBS
Pbs Learning Media: Liberty Lands
In this What's Up In The Environment? video segment, learn how a contaminated plot of land in Philadelphia was recycled into a beautiful public park called Liberty Lands.
University of Regina (Canada)
University of Regina: Math Central: Intelli Gum: A Success Story
Introduce polynomial operations to your middle school students using the highly engaging story of ?IntelliGum?. This one-of-a-kind gum, when chewed regularly, and in appropriate quantities, will make you smarter. As part of this creative...
Shodor Education Foundation
Shodor Interactivate: Lesson: Intro Fractals: Infinity/self Similarity/recursion
Explore fractions, ratios, area, and perimeter through guided practice lessons.
Shodor Education Foundation
Shodor Interactivate: From Probability to Combinatorics and Number Theory
Apply division to determine the probability of outcomes with a racing game.
Shodor Education Foundation
Shodor Interactivate: Area (Elementary)
In this lesson students will practice finding the area of rectangular shapes and irregular shapes with right angles and understand why the area formula works for rectangular shapes. CCSS.Math.Content.3.MD.C.5.b A plane figure which can...
US National Archives
Nara: Picturing the Century: 100 Years of Photography
From the National Archives and Records Administration, this online exhibit has galleries of photographs separated by time period showing a history of the United States.