What causes a rainbow? How is a solid different from a liquid? How do humans see and hear things? Introduce kindergarten and first grade students to physical science topics with this colorful 10-book set! These easy-to-read Spanish books feature intriguing images, simple sentences, and text features to keep young students engaged in reading as they learn important scientific topics such as the sun, shadows, solids, liquids, heat waves, sound waves, and more. Each 24-page book includes a fun science activity that meets Next Generation Science Standards and helps students apply what they've learned. Titles in this Spanish language set include: Descríbelo (Tell Me About It); Sombras (Shadows); Sólido o líquido? (Solid or Liquid?); Lo que veo (I Spy); Cómo se mueve el calor (How Heat Moves); Hecho en la naturaleza (Nature Made); El sol sale (Here Comes the Sun); Cómo se mueve el sonido (How Sound Moves); Mensaje recibido! (Message Received!); La luz forma un arco iris (Light Makes a Rainbow).