Cómo quitarse el frío ebook

Margarita es una chica de trece años que se siente sola. Un día, empieza a cartearse con otra chica de su edad, que está muy triste porque han secuestrado a su hermano. Margarita, por casualidad, descubre quiénes son los secuestradores.

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).

Kids often play with magnets, yet they don't learn how these playthings work for many years. Practical knowledge from their play can help them learn more about magnetism, and so can this book. Specially written for those with reading challenges or readers looking for a review, the main text covers important vocabulary, magnetic fields, and a discussion of why metals and magnets come together. Diagrams and succinct fact boxes offer additional ways to learn each concept and explain some ideas in greater detail.

This Is My Ball focuses on colors, showing young readers a different color ball on each spread. Simple vocabulary and repetitive text boost reading skills, while a strong photo-text match aids comprehension.