Kolmogórov

Wind Power: A waving flag, blowing leaves, a kite soaring through the skyall are moved by wind power. Wind is also our fast-growing source of energy. Find out how wind forms and the different ways we may use it in the future.

La fabulosa historia de ocho princesas que decidieron cambiar el cuento que les habían contado. Princesas del rock, del cine, de las estrellas, de las letras..., de la vida misma. Princesas que no nacieron, que se fueron haciendo por el camino hasta conquistar su propio reino. Princesas increíbles que, como tú, inventaron otra forma de ser princesa. Patti Smith, Karen Blixen, Malala, Michelle Obama, Kathy Switzer, Mary Quant, Penélope Cruz y, por supuesto, tú. Un libro mágico que te ha reservado un espacio para que lo completes con tu propia historia.

Twirling tornadoes, horrific hurricanes, deadly dust storms, and blowing blizzards. Depending where you live, you may have experienced one of these extreme storms. Although being caught in extreme weather can be dangerous, being prepared can save your life. This nonfiction Spanish book introduces students to extreme weather, and teaches them important scientific concepts and vocabulary. The colorful images, diagrams, sidebars, and text features will keep students connected to the text. Aligned to state and national standards, the fun lab activity provides a real-world learning experience that ...

People all over the world love pets. Some pets are popular in certain areas of the world. Let’s find out about the popular pets around the world. Paired to the fiction title The Perfect Pet.