Experimentos sorprendentes con la luz

Este libro presenta una serie de ilusiones ópticas que engañarán a la mente y a los ojos por medio de una serie de distorsiones de tamaño, forma y color. Algunas parecen cosa de magia, otras hasta desaparecen. Incluso hay otras que parecen cambiar mágicamente cuando se las observa. No solo presenta las ilusiones ópticas, sino que también las explica, con lo que se puede aprender mucho sobre la luz, el cerebro, la vista...

It is gooey and sweet, a delicious, chewy treat. It is bubblegum! Come along as we smack, blow, and pop our way through addition and subtraction! Students will develop their math skills while engaged in reading about the fascinating history of gum. This Spanish math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning arithmetic concepts relevant and fun. Text features include a table of contents, glossary, and index to increase...

Intermediate Readers Learn About The Relationship Between The Earth, Sun, And Moon In Greater Detail.

A 2014 report by the US Department of Education found that 22 percent of students ages twelve to eighteen had experienced bullying. This cogent narrative provides readers with supportive methods to help a friend who is being bullied and to promote a bully-free learning environment at school. Physical, social, psychological, and verbal bullying are examined, as well as cyberbulling. Readers discover the consequences of bullying both as a target and as a bystander. They also consider ways to intervene in a bullying situation, how to seek adult help, and how to be empowered and recover from...

Dice la higuera que hace muchos años, una tarde asoleada, su vida cambió de pronto cuando escuchó claramente que se abrió el portón de la calle y apareció Octavio, que abría muy grandes los ojos azules conociéndolo todo con curiosidad. Así el inicio de la vida de uno de los autores más importantes de México, único ganador del Premio Nobel de Literatura.