En Toda Era

Provides detailed instructions for experiments involving cells, the brain, the senses, breathing, circulation, and other areas of the human body.

Examines the nature of inclined planes and wedges, how they can reduce the amount of force necessary to perform work, and ways in which they are used.

Thank you for caring. –Billie Eilish La legendaria Billie Eilish nos comparte una ventana muy personal de su vida –dentro y fuera del escenario– en este asombroso libro de fotografías. Cada una de las fotos ha sido cuidadosamente seleccionada y acomodada por la propia Billie, capturando sus más significativos momentos. Complementado con una introducción y pies de foto, Billie nos comparte sus pensamientos sobre esta salvaje travesía en la que está hasta ahora.

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.