How many people is too many? What happens when too many people are crowded into too little space? What can be done to control the world's population? Read this book to learn more about overpopulation and start thinking about what can and should be done to address this important issue.
What is a pandemic? What diseases are likely to cause a pandemic? How can the spread of a disease be stopped? Find out about how a disease reaches pandemic proportions and start thinking about what people can do to stop the spread of deadly diseases.
What causes pollution? How does pollution affect the environment? Why should we care about pollution? Read this book to find out more about the social, environmental, and economic issues related to pollution and what you can do about it.
Is human activity causing Earth's to heat up? Is global warming just a natural event? What are the possible effects of global warming? Read this book to learn more about the global warming debate and to start forming your own opinions.
Who pays for schools? Does everyone have the right to a good education? What is a good education? These are just a few of the questions that leaders around the world must answer. Start learning and thinking about education as something more than textbooks, teachers, and homework.
Should scientists manipulate genes to create new varieties of food? Is genetically modified food safe to eat? How can we grow enough food to feed all the world's people? Read this book to find out more about genetically modified foods and what people around the world think about them.
The Bill of Rights in the US Constitution the rights of all citizens. The government and its leaders must protect those basic rights. Look inside to learn more about the rights outlined in the Bill of Rights and what we have done to guarantee them.
The right and privilege to vote give people great power. They can choose leaders and affect great change. Look inside for information about history for this right and its importance in the 21st century.
There are many levels of government that protect American citizens. While the national government is responsible for protecting us from attack and similar things, state and local governments resolve local issues. Look inside to discover all the kinds of things state and local governments do for their citizens.
One of the key features in a democracy such as that in the United States is the right to elect our leaders. Certain groups in the United States have had to fight for this right. Look inside to learn about the history of American voting rights and the future of elections in the 21st century.
This study makes the United States government system - three branches with checks and balances - clear and understandable.
Governments provide many services - fire and police protection, education, medical care and more. So many we sometimes take them for granted. Look inside to discover the services government provides and why we pay taxes to fund them.
The US Constitution established the nation's government and laws. The judicial branch - courts, judges, and juries - make sure the laws are fair and keep people safe. Look inside to learn more about the amazing document and the work of the judicial branch of government.
There are many opportunities for people to make a difference, such as delivering meals to the elderly or volunteering with United Way or the Red Cross. This book encourages people to help out where they can.
Asian carp have big appetites and can leap out of the water when startled. They were brought to the United States from their native Asian habitats to control algae growth on fish farms. Find out what happened when some of these big, jumping fish escaped and made their way up the Mississippi River.
Gray squirrels are known for their bushy tails and hoarding habits. These North American natives were imported to parts of Europe and South Africa as pets, but quickly went from pets to unwanted pests. Learn more about the problems caused by invasive gray squirrels and what can be done to solve them.
Zebra Mussels are known for their striped shells and clingy habits. These natives of Europe and Asia traveled to North America in by ship. Learn more about why the zebra mussel poses a threat to native animals and the health of North American waterways.
American mink have beautiful, thick, glossy fur. At one time, many were exported to other countries where farmers raised them for their fur. Find out what happened to native species when fur went out of fashion and many minks were released into the wild.
Emerald Ash Borers have shiny green bodies and an appetite for ash trees. This native Asian insect hitchhiked to North America and has killed millions of ash trees. Learn more about the emerald ash borer and what is being done to try to stop its spread.
Cane toads are known for their warty skin and poison glands. They were brought to Australia and other places to help control pests that were harming crops. Learn more about how the cane toad has gone from being farmer's friend to an unwanted pest.
Honeybees are known for their familiar buzzing and honey production. Learn how an experiment meant to increase honey production created aggressive Africanized honeybees that have taken over territory and caused big problems for beekeepers, farmers, and anyone unlucky enough to disturb them.
The Florida panther once roamed as far west as Louisiana and as far north as Tennessee. Today, these cats are found in just four counties in southern Florida. How did the Florida panther become one of the most endangered animals in the world? Read this book to find out how hunting and other human activities brought the Florida panther to the brink of extinction. Learn what is being done to help it get on the road to recovery.
The grizzly bear once roamed much of western North America. In the early 1800s, as many as 50,000 grizzly bears lived in the West. As settlers pushed westward, the bears lost much of their habitat. Fewer than 1,000 grizzlies remained in the lower 48 U.S. states when the bear was listed as endangered. Read this book to learn how grizzly bears came close to extinction and find out what is being done to increase their numbers and insure their survival.
The Hands on Science series provides students with background on key concepts in Science. Each title includes engaging hands on exercises that bring the concepts to life for kids. Real World Science: Protecting Ecosystems, provides information on natural changes vs. changes brought about by people, wise use of ecosystems, and restoring damaged ecosystems.
The bald eagle is known to people around the world as a symbol of the United States. In the early 1800s, as many as 100,000 bald eagles lived in the United States. By the 1960s, the familiar bird of prey was nearly extinct. What happened? Read this book to find out how human activity brought the handsome eagle close to extinction. Discover how human efforts helped it fight back and once again become a familiar sight in North American skies.