How does sound measure the ocean? Why do magnets work? Easy explanations of how and why things work, colorful photos, and simple diagrams help readers learn and understand basic physics in our world.
Introduces the basic elements of water and describes water as a liquid, a solid, and a gas. Includes an activity.
Introduces temperature, along with melting, freezing, and how to measure temperature. Includes an activity, and information on Anders Celsius.
Maps provide a variety of important information, from weather patterns to the locations of roads and streets. Longitude and latitude are one of the key concepts involved in using maps. Readers will learn the difference between the two types of lines and how to find them on both maps and globes. They will also discover how the lines can be used to pinpoint locations and give directions.
Describes how cities treat freshwater so that it is safe to drink. Includes an activity.