Lengua castellana y literatura. 1 Bachillerato

Interesting facts and experiments explore the dynamics of a race car engine to teach about air flow and drag, safety equipment and roll cages, the fuel system and horsepower, suspension and track bars, internal combustion, why race cars don't have speedometers, how roof flaps are designed like airplane wings, and more.

De Alaska, Guatemala, Tanzania, Siberia, India, Nueva Zelanda, China o Marruecos provienen los niños y las niñas deestos cuentos. Historias para aprender cómo se vive en esos lugares, cómo se visten sus habitantes, qué animales hay oqué se come. Una manera muy positiva de acercar a los pequeños lectores a nuevos mundos.

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

Your lungs make sure that you use air wisely. Learn how the air passes from the lungs to the bloodstream in this story about your amazing body.