Full-color photographs and text explore energy; covering temperature, food, nuclear and solar power, fossil fuels, propulsion, and other related topics.
Explains the concept of area and discusses how it is measured. Provides equations for calculating the area of various objects and includes color photographs, a glossary, and further reading sources.
Explains the concept of height and how it is measured. Discusses depth, angles, altitude, and record breakers. Includes color photographs, fact boxes, activities, a glossary, and further reading sources.