Mezclas y soluciones (Mixtures and Solutions)

Seis Unidades Didácticas con todos los elementos necesarios para su desarrollo y su evaluación. Se incluyen también dos actividades complementarias; Triatlón escolar y Taller de bicicleta, que pueden impartirse en forma de talleres, actividades extraescola-res, HLD, programas alternativos.

This book's attractive combination of excellent color photographs and detailed illustrations will captivate young readers and hold their attention as they learn all about the animal kingdom. The child-friendly text highlights details that children are especially interested in to provide a thorough introduction to the major animal and insect groups. Text copyright 2004 Lectorum Publications, Inc.

Not everyone in the United States is eligible to vote. Voting rules are different in every state. For federal elections, however, voters must have U.S. citizenship to vote. Voters must be 18 on or before the next Election Day to cast their ballot. People must live in their state for a certain period of time before being eligible to vote. All people wishing to vote must be registered by a certain date depending on which state they live in. This book explains who is eligible to vote in U.S. elections as well as who is not eligible to vote. Readers will make connections to the text through...

Provides a simple description of how astronauts aboard a space shuttle perform everyday activities such as eating, drinking, and sleeping.