Introduces the sport of rock climbing, discussing the equipment, different types of climbing, safety measures, climbing techniques, skills needed, and the six classes of climbs.
Correlated to the early social studies curriculum, this series looks at one aspect of daily life and how it has changed through different periods of American history. The simple, authentic Spanish te
Correlated to the social studies curriculum, each title in How People Lived in America looks at one aspect of daily life and how it has changed through different periods of American history. Clear, d
Why does the teenage brain freak out? It comes down to science. Find out how your brain sends messages to your body to tell it what to do. Discover how hormones can make you crazy or really happy. And