North America, Grades 3-6+ »

ScienceWorks for Kids, Grades 4-6+ presents hands-on investigative science. Each book covers at least 6 science concepts that are supported by learning visuals and step-by-step lessons. Lessons relate to the National Science Education Standards.

Planet Earth presents information and investigations on these seven concepts:

* Earth is composed of rocks, water, and gases
* The core, mantle, and crust make up the layers of the Earth
* Earth's crust contains continents and oceans
* Constructive forces affect landforms
* Destructive forces affect landforms
* Soil is made up of a variety of components
* Water cycles through Earth and its atmosphere.