Presents a short study of mixtures, compounds, and solutions, and describes the physical properties of matter, chemical properties and changes, properties of compounds, and much more.
Provides information about the causes, symptoms, and treatment of allergies, a condition that makes a person's body react badly to various substances, and offers advice to children on how to behave with friends who have allergies.
Presents a definition of matter as anything that takes up space, discusses the qualities of solids, liquids, gases, and plasmas, looks at how matter can change from one state to another, and includes resources for further study.
Describes the properties of several nonmetals, including hydrogen, nitrogen, carbon, and others, and their uses in industry, science, and medicine, and discusses the periodic table. Includes a glossary and further reading list.
Presents an introduction to metals, discussing the properties of metals, their composition, how and where they are found, alloys, recycling, and other topics.
Provides information about the scientific concepts of compounds, mixtures, and solutions, explaining what they are, how they are formed, and where they are found. Includes interesting facts and photographs.
Provides information about chemical reactions, beginning with an explanation of matter and how it changes, looking at different kinds of chemical reactions, and discussing their effects. Includes photographs and a glossary.
Provides information about acids and bases, discussing the properties of each, explaining how they are measured or detected, and looking at specific types of acids and bases and how they are used.
Provides information about the causes, symptoms, and treatment of sickle cell disease, a condition that affects a person's blood, and offers advice to children on how to behave with friends who have sickle cell disease.
