El gran libro de los records

Filled with tricks and treats, fun and food, Halloween is a day that children look forward to. At one time two separate festivals, the traditions of each gradually blended into the holiday we now celebrate on October 31.

Presents commonly used Spanish words and phrases accompanied by illustrations of situations in which to use the newly acquired language.

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

Aquest volum aporta els aspectes clau del desenvolupament de les ciències, però també les preguntes més substantives vinculades a la seua evolució, sense incórrer en la tecnolatria. Aquest text, avaluat ja en diferents aules de batxillerat, aporta aspectes claus del desenvolupament de les ciències, així com les preguntes més substantives vinculades al seu desenvolupament. La proposta cerca la senzillesa i pretén que l'alumnat s?habitue a un format de llibre diferent a l'habitual, doncs serà el reflex dels quals utilitzarà en el futur.