Loteria de adivinanzas / Lottery of Riddles

What causes sound? How does sound travel? Sound begins when matter vibrates. Without this vibration sound could not move and nothing would make any noise. Starting with tiny molecules, this book explains the main concepts of sound and furthers understanding through a series of easy-to-do experiments that will appeal to readers of all ages.

LETRAMOLA es un método de lectoescritura de base fonética que se basa en el aprendizaje lúdico. A través de las historias de tres personajes, el hada Lila, la bruja Brufina y el mago Benito, se presentan -mediante el lenguaje narrativo- cada uno de los fonemas, los grupos consonánticos y las letras que se trabajan en los cuadernos. El tratamiento de cada fonema se inicia con el reconocimiento del sonido y su representación gráfica en minúscula y mayúscula para favorecer la discriminación auditiva y visual. El método presenta una secuencia progresiva de los contenidos, se pasa del...

There are many types of street signs with symbols that are important to know and follow. Let's explore some of the different street signs found in a city! The Me Pregunto (I Wonder) series is perfect for young learners in prekindergarten through grade 2. These 16-page books give readers an accessible introduction to nonfiction reading. Color photographs and fun, factual examples will grab the attention of young readers and help strengthen reading comprehension skills.

Describes the impact of the light bulb and effective indoor electric lighting, and recounts the life and career of their inventor, Thomas A. Edison.