his book discusses how the main job of the circulatory system is to deliver oxygen and nutrients to the body. The heart, blood vessels, and blood make up the circulatory system. Reading Essentials in Science.
This book examines chemical reactions and provides information on different kinds of reactions, what causes them, and the elements and compounds that react with one another to achieve stability within the reaction. Reading Essentials in Science.
This book explains how plants and animals are classified. Reading Essentials in Science.
This book introduces amphibians and reptiles, including information about the characteristics they share and those that are different. Reading Essentials in Science.
This book is an overview about air and wind and describes many of their features, for example, that air has weight and that wind is motion energy. Reading Essentials in Science.
This book is an introduction to the harmful effects of alcohol, tobacco, and drugs. Reading Essentials in Science.
This book is an overview on birds and how they are grouped according to common characteristics, including songbirds, waterbirds, flightless birds, fowl, and birds of prey. Reading Essentials in Science.
This book explains what the brain and nervous system are and how they function in the human body. Reading Essentials in Science.
Acids release hydrogen ions. Bases release hydroxide ions or accept hydrogen ions. This book provides examples of these everyday acids and bases that are used daily, or in chemical laboratories. Reading Essentials in Science.
This book introduces the various types of environments in an ocean and along an ocean's shore, including rocky cliffs where hardy plants grow and the underwater communities of the coral reefs. Reading Essentials in Science.
This book explains how species have adapted to their environment over time in order to survive. Reading Essentials in Science.
This book explains the structure and behavior of the atom and how it to combines with other atoms to form molecules and compounds. Reading Essentials in Science.
Atomic (nuclear) energy and technology can be used to produce electricity, power ships, preserve foods, and to diagnose and treat diseases. This book presents an introduction to atomic energy, covering topics such as the structure of an atom, fusion, fission, nuclear power plants, and the debate over atomic energy. Reading Essentials in Science.
This book takes a scientific look at extraterrestrial and if they exist here on Earth. Reading Essentials in Science.
This book introduces bones and the human skeleton and explains their functions, which include supporting the body, giving it shape and structure, and protecting the major organs such as the heart and lungs. Reading Essentials in Science.
Crustaceans, arachnids, and insects are part of the arthropod family. Reading Essentials in Science.
Bacteria are single-celled organisms with the ability to help and harm other living things. Viruses can only reproduce in host cells, often causing infections. Reading Essentials in Science.
Our friends are supposed to be there for us when we need them, to help us through tough times and laugh with us when things are going well. But sometimes, our friends can push us to do things we wouldn't do normally. We might want to do the things our friends are doing to fit in or be cool. This is peer pressure, and it can be dangerous when it leads to hurtful behaviors.
Sports are a lot of fun. Theres nothing like getting outside with a group of friends and throwing the ball around or playing a game of basketball, soccer, or baseball. But with all the fun, there are a lot of things to keep in mind to keep everyone safe.
The Internet is a great tool for learning. Its also a lot of fun for games, keeping up with friends, or reading about the things you love. But there are also dangers on the Internet. You can't always know for sure to whom you're talking. Information you put online that you think is safe may become a target for people who are up to no good. Pictures you share with one person can end up in the hands of people you'd never have sent them to. The Internet can become a scary place.
Storms, tornadoes, floods, wildfires - the world is full of natural disasters that do terrible damage to our homes, towns, and cities. Knowing how to prepare for a natural disaster and what you can do if one does happen is the best way to keep yourself safe.
Each day, dangerous germs surround us. At home, many of the products we use to keep our houses clean and our bodies healthy can also be poisonous and very dangerous. The wrong pill, medicine, or household cleaner can cause major health problems. Whether from diseases, germs, or poisons, keeping your body safe from harm means knowing the dangers that are around you.
Apples, bananas, orangesthere are so many fruits to choose from! But what makes fruit such a healthy food choice? Find out more about fruit: where it comes from, how it gets to your plate, and why it is such an important part of a healthy, balanced diet. Learn how much fruit you should be eating each dayand how you can make healthy food choices a part of your life!
We all need to eat! But making healthy food choices can be tough. To be healthy, we can't eat only our favorite foods. We need to eat some foods from each of the five food groups: dairy, fruits, vegetables, grains, and proteins. Learn about all five food groups and find out why each is so important to a healthy life. Discover why eating a balanced diet is one of the best ways to lose weight, stay in shape, and keep your body healthyand how you can do just that!
Whether were drinking a glass of milk, eating a grilled cheese sandwich, or enjoying a yogurt, most of us eat a lot of dairy. But why is having dairy foods every day an important part of a balanced diet? Discover the story that lies behind each glass of milk and slice of cheeseand learn how to make smarter, healthier food choices every day!
