El Niño and La Niña are disruptions of the ocean-atmosphere system in the tropical Pacific that have important consequences for weather around the globe. A major goal of science in the middle grades, according to the National Science Education Standards, is for students to develop an understanding of earth’s oceans and the effect they have […]

On March 1, 2007, teachers and students around the world are invited to help launch the International Polar Year 2007-2008 (IPY), a scientific program focused on the Arctic and the Antarctic. From March 2007 to March 2009, thousands of scientists from over 60 nations will be involved in more than 200 projects examining physical, biological […]

As students investigate such national and global issues as climate change, water shortages, deforestation, endangered species, or shifting tectonic plates, online thematic maps can connect the issues to locations. Often these maps provide supporting data. Here are some sources of thematic maps that can be useful in the science classroom.
The Map Guide
Here is a […]

Students are naturally curious about the world they live in. What better way to satisfy this curiosity than by giving them hands-on opportunities to collect data and find answers to their questions? These resources provide opportunities for students to collect data and to present and analyze their findings. These skills are an important part of […]

The National Science Education Standards (NSES) tell us that students in grades 5-8 should “begin to see the connections among . . . [energy forms] and to become familiar with the idea that energy is an important property of substances and that most change involves energy transfer.” Yet there is no explicit direction to introduce […]

Seafloor spreading can be a difficult concept for middle school students to grasp. These resources should help make the concept comprehensible through the use of images and animations and by acknowledging the concept’s larger context of plate tectonics.
Harry Hess: One of the Discoverers of Seafloor Spreading
This detailed biography shows how Hess’s skills enabled him […]

The National Science Education Standards Life Science Content Standard mentions that fossils indicate extinct species and contribute to an understanding of evolution and diversity. The Earth and Space Sciences Content Standard tells us they provide clues about past environments. But what is a fossil? How does it form? The processes can be complex. An understanding […]