Los estados de la materia — Los gases

Did you know that pigs are some of the smartest animals on Earth? Pigs keep themselves very clean. Discover more about these farm animals in My Pig.

Did you know that liquids take the shape of their containers? If liquids get hot, they can become gases. Discover more interesting facts in Liquids, part of the States of Matter series of EYEDISCOVER books.

Did you know that baby butterflies look like worms with legs? Caterpillars turn into butterflies inside a shell. Discover more about these flying insects in Butterflies, part of the Life Cycles series of EYEDISCOVER books.

For those who enjoy unconventional solutions, the author offers a wide range of all-time paradoxes that defy your deductive and calculation skills with impossible logical truths, and helps you to learn how to overcome the traps of false truths.

En este cuaderno aprenderás la ortografía de numerosas palabras que se escriben con v y h, y te ejercitarás en la ortografía de diversas sílabas trabadas y libres. También se estudian algunas reglas fundamentales del uso de las mayúsculas: en principio de escrito y después de punto.

Thomas Lang es un ex policía y ahora pistolero a sueldo. Un día recibe la visita de un tal McClusky, quien le ofrece cien mil dólares por asesinar a Alexander Woolf, un empresario americano con negocios en Inglaterra y Escocia. Indignado, Lang rechaza el encargo y decide, en cambio, advertir a la víctima del peligro que corre: una buena acción que no quedará impune.

During the XVII and XVIII centuries, there were great thinkers who risked their freedom and their lives over their revolutionary ideas. Take a look at the philosophers that were the pillars of both modern thinking and science: Galileo, Hobbes, Newton, and many more. They dared to question the norm.