TeachEngineering
Teach Engineering: Materials Properties Make a Difference
Students investigate the materials properties-such as acoustical absorptivity, light reflectivity, thermal conductivity, hardness, and water resistancea-of various materials. They use sound, light and temperature sensors to collect data...
TeachEngineering
Teach Engineering: Dams
Through eight lessons, students are introduced to many facets of dams, including their basic components, the common types (all designed to resist strong forces), their primary benefits (electricity generation, water supply, flood...
Better Lesson
Better Lesson: What Is Wind?
The purpose of the lesson is to introduce students to what causes wind and how it can be measured. Students will create a wind gauge and collect data on "wind speed". Detailed instructions are included as well as examples of the lesson...
National Council of Teachers of Mathematics
Nctm: Illuminations: Handshakes
When the nine justices of the Supreme Court meet, they greet one another with a handshake to show harmony of purpose, even though their views may differ. How many handshakes occur? In general, how many handshakes occur when there are n...
US Government Publishing Office
U.s. Government Publishing Office: Congressional Hearings
Massive directory of the transcripts of all Senate and House committee and subcommittee hearings from the 105th Congress to the 109th Congress. Hearings are typcially open to the public and done for the purpose of attaining information...
Science Education Resource Center at Carleton College
Serc: A Rocking Walking Tour: Investigating Architectural Rocks in St. Paul, Mn
This is a guided inquiry field investigation in an urban setting. This investigation focuses on the identification of the rocks used on and in the buildings and other structures in downtown St. Paul, MN. The questions asked are based on...