Learn how to build an British Iron Age house by following these step by step instructions. Measurements given in metric system.

This site is on the science and art of skateboard design, including equipment, tricks, glossary of terms, and a live webcast of a skateboard performance.

Explore deep underground and deep in the ocean to discover what lies beneath the surface. Don't stop until the final destination: the core of the Earth.

In this Cyberchase video segment, Harry tries to snowboard and learns how to measure and identify many common angles.

In this Cyberchase video segment, the CyberSquad learns what happens to the area of a rectangle when the shape enclosed by the perimeter changes.

This Cyberchase video segment features Bianca, who must figure out the fastest route to a movie premiere.

In this video from Cyberchase, the CyberSquad figures out how fast their broom must go so they can reach Motherboard before Wicked.

The CyberSquad must construct a clock of sorts in order to keep track of the amount of time they have to rescue Dr. Marbles in this video segment from Cyberchase.

In this video segment from TV411, Ruby and her mom plan a schedule so she can complete her homework and still have time for friends and sports.

Franklin works with Laverne to create a budget for a job painting a room, in this video segment from TV 411.

In this Cyberchase video segment, Shari Spotter gets help from the CyberSquad in doubling a recipe for crumpets.

In this video segment from Cyberchase, Harry uses fractions to pack boxes of truffles at a candy store.

In this Cyberchase video segment, the CyberSquad helps resolve a dispute about the squares on the Gollywood Walk of Fame.

This TV 411 segment features a lesson from Question Man on how to informally calculate 15% tips at restaurants.

Mary Hunter Austin recreates two Native American tales in her stories, "The Story of Little Tavwots," and "The Fire-Bringer." The texts can be read online or downloaded in MP3 or PDF format. In addition, each story has downloadable...

This resource offers the complete texts of four of Andersen's best-known fairy tales: The Emperor's New Clothes," "The Ugly Duckling," "Thumbelina," and "The Swineherd." The texts can be read online or downloaded in MP3 format. In...

Cryopreservation-storing seeds in ultra-cold liquid nitrogen-is one method for maintaining plant genetic stocks in seed banks. The purpose of this project is to observe the characteristics and outcomes of cryogenically frozen seedlings...

Plants have evolved many clever mechanisms to ensure that their seeds will wait for appropriate conditions before sprouting. Some may only germinate after a fire, others only after going through a cold spell. This project explores one...

Students investigate who stole the class pet by testing the chromatograph of different markers as a way to find the evidence that points to the perpetrator.

Looking for American folktales? Look no more! Choose from famous characters, states, historical events, regional, or ethnic folklore. There are also links to weatherlore and spooky stories.

This S.O.S. tutorial gives students a basic review of simple fractions. Follow the tutorial to refresh your skills involving simple fraction manipulations. Each section contains problems with links to the answers.

This lesson plan encourages children to use painted paper to make a collage using the style of Eric Carle as inspiration.

In this activity, students use chocolate bars to explore adding fractions with unlike denominators.

Students are given a concrete example to solve multiplication and division of fractions in this lesson activity.