While it may not be as simple as pouring water into a gas tank, water, or at least the hydrogen that makes up water, will one day become a significant source of energy. In this important new book, children will discover not only what hydrogen is, but also how this simple element can create clean energy. Hydrogens past deals with hot air balloons and airships, its present, space shuttles and fuel cells. What fascinating technologies await its future? Other topics include What is energy? the reasons why clean energy is so important the technologies that convert hydrogen to useable energy the obstacles that must be overcome before hydrogen can be a reliable energy source a case study highlighting Icelands plan to switch to a society run on hydrogen What is a hydrogen economy? a timeline that provides dates for historical breakthroughs in energy production
Did you know that some cars are run on fuel made from the oils from sunflowers and soybeans? Biomass: Fueling Change is an exciting new book that explores bioenergy, energy derived from organic matter, to produce heat, run cars, and generate electricity. Worldwide case studies and colorful photographs and illustrations will help children learn about the history of bioenergy and how the world is using this energy today. Topics include the history of bioenergy various types of biomass available for energy use the benefits of biofuels burning biomass the processes used to convert biomass to gas using bioenergy today, and its limitations
Emission of harmful greenhouse gases such as carbon dioxide is posing a grave challenge to nature. The problem of global warming needs to be addressed as soon as possible. How to Reduce your Carbon Footprint clearly explains what an individuals carbon footprint is and what we all can do to make a difference. Special case studies show how these ideas are currently being put into practice around the world.
This fascinating book brings to light the profound changes that took place during the American Revolution. It was often hard to distinguish homefront from battle front as most of the 13 colonies experienced battle during the American Revolution. Neighbors were sometimes on different sides of the war, some still being loyal to England. The economy suffered as inflation ran out of control. Readers will discover that it was also a time of great social change and more freedom, particularly for women and for some African American slaves. Women assumed a lot of the household affairs and had more decision-making power as men went off to war. Slaves sought their freedom by joining the British.
The Marquis de Lafayette was a young aristocrat from France who played a key role in the success of the American Revolution. From a wealthy family with a military history, he admired the struggle for independence in the American colonies and crossed the Atlantic Ocean to fight on the side of the colonists. Readers will learn how he became a longtime friend of the future president, George Washington, and how his skills both on the battlefield and in persuading the government of France to support the American colonists, earned him a lasting legacy in the history of the United States.
This comprehensive title explores the outcomes of the American Revolution, including how the independent states formed governments based on the very principles for which they had fought, The book also examines the legacy of the American Revolution and how it influenced others against oppressive power or colonial systems in France, Latin America, and Asia.
Born into a wealthy, plantation-owning family, George Washington grew up in privilege. He quickly rose in the ranks of the Continental Army until, ultimately, he became its commander-in-chief. Committed to the ideals of republicanism, he led the army to victory in the American Revolutionary War, and the United States of America was born. This revealing title examines the life of George Washington, "father of his country," with a focus on his military leadership during the Revolutionary War and his role and legacy as first President of the United States.