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Explore how and why people get sick, defining hygiene as the practice of doing things to stay healthy. Includes basics of infectious and non-infectious diseases, and a discussion of the immune system. Hands-on experiment investigates germ growth. Correlates to the National Science Education Standards for Life Science.

Explores freshwater and marine ecosystems, including plant and animal life. Hands-on activities included.

Explores the ecology of three different forest types, including plant and animal life. Hands-on activities inlcuded.

Learn about events and historical figures relevant to the westward expansion. Find out how the Louisiana Purchase and the Gold Rush encouraged the exploration and settlement of the U.S. frontier and the relationship between settlers and the Native American population. Features reenactments, journal entries, and historic imagery.

Follow along with the Wordswork team as they learn all about the rules of punctuation and use their knowledge to turn a nonsensical mystery message into a perfectly understandable letter.

Examples of how the American democracy makes, applies and enforces rules and laws. Comparisons to other forms of government around the world.

Learn why the concept of separation of powers is unique, and explore the executive, judicial and legislative branches in detail.

Learn the importance of the presidency, where he lives and what he does. Also how someone gets to be president and the qualities needed for the job.

Learn the history behind America's progression from rule by the English monarchy to today's democracy. Explore colonial government, George Washington and the American revolution. See why the founding fathers set the standard of dividing and sharing power.

Explore the three different levels of American government, illustrating how they are alike and how they differ. Learn the roles of leaders at each level and how all of them together make government work.