Hold onto your hats! It's windy on the Danish island of Samsø. Meet the environmentally friendly people who now proudly call their home Energy Island. At a time when most countries are producing ever-increasing amounts of CO2, the rather ordinary citizens of Samsø have accomplished something extraordinary--in just ten years they have reduced their carbon emissions by 140% and become almost completely energy independent. A narrative tale and a science...

"Have you ever wondered how we know so much about people and events from the past? Much of what we know comes from studying items that were used in the past. Dive deeper into studying history by learning how to examine and learn from objects that were part of everyday life in the past."--

"Much of the world's energy comes from fossil fuels, but burning them adds to climate change. Find out about clean sources of energy and what we can do to help the planet."--Back cover.

"Have you ever wondered how we know so much about people and events from the past? Much of what we know comes from studying items that were used in the past. Research Primary Source Artifacts: Tools, Clothing, Coins, and More! will help you dive deeper into studying history by showing you how to examine and learn from objects that were part of everyday life in the past."--

Tells the stories behind nearly thirty places, objects, documents, holidays, and other symbols of importance to America, including Plymouth Rock, the Liberty Bell, the Pledge of Allegiance, and Memorial Day.

"How do we know so much about people and events from the past? Much of what we know comes from studying items used long ago. Research Visual Primary Sources: Photographs, Paintings, Video, and More! will help you dive deeper into studying history by showing you how to examine objects that were part of everyday life in the past"--

Learn how primary sources can help improve your research projects.

The Declaration of Independence has represented American freedom since Thomas Jefferson wrote it more than 200 years ago. Using primary sources, young readers hear the story behind one of America's most important documents from the people who were there when it was signed. Engaging text, colorful images, sidebars, and a variety of primary sources introduce readers to the Declaration of Independence.

"A biography of astrophysicist Jocelyn Bell Burnell, who helped build a radio telescope that helped her discover pulsars, a new type of star. Some scientists consider it the greatest astronomical discovery of the twentieth century. Despite this achievement, she was overlooked in favor of two male colleagues when the Nobel Prize for physics was awarded. Bell is still working and teaching today, with recognition"--

Photographs, diagrams, and simple text describe the use of renewable fuels including corn and cellulosic ethanol, garbage gas, and biodiesel.