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On April 22, 1970, an estimated twenty million people held in a teach-in to show their support for environmental protections. This new celebration, Earth Day, brought together previously fragmented issues under the same banner. It was the largest nationwide event ever, and lawmakers took notice.
Supplement your classroom text with these reproducible worksheets. Each worksheet explores a physical science topic. There’s no such thing as too much practice. This reproducible program builds skills incrementally.
Ebola has riveted-and terrified-the world since its reemergence from the jungle, killing more than eleven thousand people in West Africa since December 2013. Transmitted through bodily fluids, blood, saliva, sweat, vomit, feces, and semen-the disease causes high fever, widespread pain, nausea and vomiting, and severe diarrhea. Patients may develop dangerous bleeding and organ failure. With no effective treatment available, about 40 percent of infected people die within days. Using proper protect
The digital world offers many new career opportunities-ranging from e-commerce and social media to info tech and online gaming. Teens who have an interest in working in the digital world will find useful descriptions, essential facts, and valuable opinions and advice in this easy-to-use series. The E-Careers series introduces readers to various career options within a given field and explores what the jobs entail, educational requirements, employment prospects, and more.
The top one-tenth of one percent of the US population has a combined net worth equal to that of the bottom ninety percent. This extreme level of economic inequality has not been seen since the Great Depression; today, many Americans are struggling with unemployment, stagnant wages, crippling debt, and mortgage foreclosures. Author Coral Frazer and consultant Michael Frazer explore how bad the situation is, what the human impact is, how money impacts politics, and what some of the causes and reme
The days as a pirate trainee are long and gruelling, but it's not the physical pain that Cas dreads most. It's being forced to work with Swift, the pirate girl who broke her heart. But Cas has even bigger problems when she discovers Bao is not the only monster swimming free. Other Reckoners illegally sold to pirates have escaped their captors and are taking the NeoPacific by storm, attacking ships at random and threatening the ocean's ecosystem. As a Reckoner trainer, Cas might be the only one w
For sixteen years, it's been just Sofie and her rugged fisherman father. Sofie keeps the books for her dad's business, works in their coastal New Hampshire town, runs cross country, and daydreams with her friend Rosa. When her father decides to take his boat south to find a better winter catch, he asks Sofie's estranged mother and grandmother to stay with her. Sofie is furious, bitter at her mother's desertion when she was young. Now she's forced to face her Cambodian roots through her grandmoth
Law enforcement and intelligence experts warn that Russia and other foreign countries are likely to try to interfere in America's presidential election in 2020. Federal and state officials must guard against computer hacks, disinformation and fake news on social media, and attempts to disrupt the voting system. This book examines how America's voting system can be made more secure.
Electric vehicles are being promoted worldwide as an environmentally-friendly way to reduce fossil fuel use and fight climate change. However, electric vehicles are not a perfect solution. They can release pollution and emissions into the environment, depending on how they are manufactured and charged.
Over the last twenty years, scientists have found that complex social groups of long-lived, large brained animals such as elephants often show a high degree of intelligence and use sophisticated forms of communication. Scientists are beginning to realize just how smart elephants are.