Ingeniería asombrosa: Rascacielos notables: Área (Engineering Marvels: Stand-Out Skyscrapers: Area)

Profiles Phoebe Ann Moses, the star sharpshooter of Buffalo Bill's Wild West show under the name Annie Oakley, who began shooting to help feed her family after her father's death.

Introduces different kinds of light, the properties of light, and how light can create shadows of different shapes and sizes.

We use machines every day, but most of us don't understand how they work. When they break down, most of us have no idea how to fix them. Mechanics are the masters of machines. Readers learn that mechanics work on vehicles, including cars, boats, and buses. They use special tools to take them apart and fix what's wrong, and they use their experience and technology to diagnose problems. They often work long hours, sometimes in bad weather, to get us where we need to go. Your readers will see that mechanics keep our world moving and growing.

Besides oil, Texas has long been associated with cattle and agriculture. Learning about these industries will allow readers understand how valuable their development is to the growth of the state of Texas, as well as America's economy.