"Los invisibles"

An introduction to taipans, snakes from Australia and New Guinea, describes the three different kinds of taipan, physical characteristics, life cycle, habitat, and predatory behavior.

Learn how ornithologists are using modern technology to help migratory birds. Created in collaboration with the Smithsonian Institution, this Spanish Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, this Spanish book features a hands-on STEAM challenge that is perfect for use in a makerspace and teaches students every step of the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM fields. Discover...

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

From the basic to the exotic, this how-to kit offers detailed directions for five bobby pin design's and includes wire, big and small bobby pins, seed beads, and specialty beads. Desde el básico hasta el exótico, este libro proporciona instrucciones detalladas para diseñar horquillas y incluye el alambre, unas horquillas grandes y pequeñas, y una gran selección de chaquiras.