Robert Goddard

Describes what early planes and air travel were like, how planes were developed to travel faster, and presents some pioneers of aviation.

Se trabajan las particularidades de la interpretación de personajes inanimados y se dan múltiples ideas para confeccionar el vestuario de los actores. Disponible en catalán, para comprarlo haz clic aquí.

What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental concepts, discover how you work, and how simple machines make doing work easier.

Introduces readers to reptiles and the concept of classes of animals. Simple text describes the common features and behaviors of reptiles as well as offering many examples of creatures in this group.