This three-part module covers the major concepts of the chemistry of water, at a level appropriate for late primary and early intermediate learners. Key vocabulary words are defined using examples that are relevant to children's lives. Each part of the module contains an activity or experiment to reinforce the science content that was covered. Full description.

Where oceans and seas meet land, the change is abrupt and sudden. The plants and animals that call this transition zone home have interesting adaptations. Users can view pictures and read about several types of shorelines and coastal features (sandy shores, barrier islands, rocky shores, tide pools, estuaries, salt marshes, mud flats, and mangrove forests), the plants and animals that inhabit them, ... Full description.

This is an online activity book from the National Weather Service that teaches about hazardous weather. The site also includes links to kids sites for the Federal Emergency Management Agency (FEMA) and the National Oceanic and Atmospheric Agency (NOAA). Full description.