Rusch, Elizabeth

Explores the use of ocean waves as a renewable energy source.

Explores the science behind the Mount St. Helens volcano's eruptions and shows readers how to do their own sleuthing, sifting through the evidence and searching for clues, to determine when and if the volcano will erupt again.

". . . Follow along with Piper, a friendly border collie who came to the mountain as a smart but timid shelter dog, terrified by everything, as she confidently heads off to school on a chairlift to meet her canine classmates. Over a season they romp together through the snow, learning and practicing the skills they need to be avalanche rescue dogs and earn their rescue certification. [Readers] also learn the warning signs and conditions that cause an avalanche, the four types of avalanches, and the basics of avalanche safety"--Amazon.

"Asteroids come in all shapes and sizes--and hit our planet in them, too. But what happens if a catastrophically large one approaches earth? By looking on the ground at historical asteroid craters and present-day falls, and up into space for the big ones yet to come, a wide variety of scientists are trying to figure out how to track asteroids--and how to avoid devastating impacts in the future."--.

Bartolomeo Cristofori, a young musical inventor, attempts to create an instrument than can do "pianissimo" sounds that are light and soft, as well as "forte" sounds, that are strong and loud. When Prince Ferdinando de Medici invites him to his court in Florence, Bartolomeo sees and hears goldsmiths' tiny hammers and blacksmiths' big sledgehammers making both sounds and realizes hammers are the key to a new, beautiful instrument. Includes a timeline, notes on today's piano, and links to piano selections online.

A brief biography of Serbian-American scientist Nikola Tesla, whose early fascination with electricity caused him to go on to invent alternating current and many devices that helped bring electricity to American households and, eventually, the rest of the world, at the turn of the twentieth century.

"Most people think volcanoes are either sound asleep or blowing their tops off in fiery, ash-spewing catastrophes." But they're not only destructive. "Much more often, volcanoes are creative.".

Big kids Anna and Oliver give young readers the inside scoop on what to expect when a new baby is expected.

Follow Annette von Jouanne, her students, and her private-company partners as they struggle to create wave-energy devices that float atop the waves in an attempt to harness the power from the oceans.

An introduction to the life and contributions of Nikola Tesla covers his innovations in the field of alternating current and his role in the development of such inventions as remote controls, fluorescent lights, and cell phones.