Link to Internet sites that are carefully chosen to support, extend, and enhance your students' understanding of Houghton Mifflin Science DiscoveryWorks.

Each trip includes a printable Trip Log, which your students can use to record their Internet site visit.

Link to Internet sites that support and extend the hands-on activities found in Houghton Mifflin Science DiscoveryWorks. These carefully chosen Internet sites contain fun, interactive learning experiences.

Each activity also includes a printable Activity Sheet that will guide students' learning.