Robotland

Chronicles The Louisiana Purchase, The Territory Which Reached From The Mississippi River To The Rocky Mountains, In 1803.

Presented in a large-size picture book format, this is the story of the Mars Rover Curiosity. It explains how it was built at the Jet Propulsion Laboratory in California, how it got its name, how it got to Mars, and what its mission hoped to accomplish. A timeline about the history of Mars exploration is provided at the end.

Me llamo Jackson y en otoño empezaré quinto de primaria. Cuando sea mayor quiero ser científico de animales. ¿Sabías que un guepardo puede correr a 110km/h? ¿Que una cucaracha sin cabeza puede sobrevivir dos semanas? ¿O que cuando un lagarto cornudo se enfada escupe sangre por los ojos? Honestamente, creo que los hechos son mucho mejor que las historias. No puedes ver una historia. No puedes sostenerla en tu mano para medirla. De hecho, las historias no son más que mentiras. Y a mí no me gusta que me mientan. La regla número uno de todo científico es que siempre hay una...

Which things move slowly? Read this book to find out about how and why things move slowly. Books in this series introduce children to simple forces. Each book uses simple, repetitive text to teach children basic vocabulary, and includes stunning photographs that show how different forces are at work in the world around us. In Slow, children learn about things that commonly move slowly, how pushes and pulls can make something move slowly, and how some things are slower than others.