"What is electricity? How does a circuit work? Why do batteries only work if you put them in the correct way? Find out the answers to these questions and much more"-provided by the publisher.
"What is light and how does it help us to see? What is reflection? How does light form shadows? Find out the answers to these questions and much more"--Provided by publisher.
"What is electricity? How does a circuit work? Why do batteries only work if you put them in the correct way? Find out the answers to these questions and much more"--Provided by publisher.
Offers teens an overview of the drug problem and encourages them to resist peer pressure and not take drugs, discussing the negative health affects of drug use and the legal and moral issues surrounding the nation's drug problem.
Offers teens an overview of the drug problem and encourages them to resist peer pressure and not take drugs, discussing the negative health affects of drug use and the legal and moral issues surrounding the nation's drug problem.
Discusses a variety of environmental issues, with suggestions for things that organizations, governments, and individuals can do to help, covering topics such as energy efficiency, climate change, recycling, and population growth.
Color cartoon illustrations and text describe the development of life forms in Earth's oceans and on land from one thousand million years ago to 245 million years ago.
