¡Tornados y huracanes! (Tornadoes and Hurricanes!) 6-Pack

This Title Explains What An Ecosystem Is And How The Plants And Animals Within An Ecosystem Rely On And Effect Its Existence. Different Types Of Ecosystems Are Described, As Well As The Food Webs Within Them. How Some Changes To An Ecosystem Can Be Good And How Some Harmful Changes Can Destroy Them. Teaches Students What An Important Role They Can Play In Keeping These Intricate Ecosystems Alive.

The Hindenburg, the largest airship ever built and the pride of Nazi Germany, burst into flames over Lakehurst, New Jersey, in 1937. It swiftly fell from the sky and was incinerated. This incident is remembered as the most infamous airship accident, killing 36 people and sinking the dirigible transportation industry. Fascinated readers will explore why and how this giant hydrogen-filled ship was made and the reasons it may have been doomed to fail. They'll also learn conspiracy theories and surprising facts about the circumstances of the terrible disaster. Authentic photographs and thoughtful ...

Esta es la histora de una gota de agua que había vivido mucho tiempo bajo tierra y un buen día sintió muchas ganas de salir a ver la luz. Acompaña a la gota de agua en sus aventuras.

El texto es sencillo y fotos a todo color instruir a los lectores cómo construir un cohete con gas y explica la ciencia detrás de la actividad.