Examines how various landscapes around the world were formed by nature from the Grand Canyon to Mount Kilimanjaro. Includes a glossary, text-related quiz, a map, and color photographs.
Explains what pollution and waste are and the dangers they pose for the environment, looks at who produces pollution and waste, and discusses the importance of reducing, reusing, and recycling in addressing the problem.
Miss Wade helps her young students understand why it is important to protect nature by respecting trees, flowers, and animals, and cleaning up trash and litter.
A power outage gives David the opportunity he needs to teach his friend and her family about the limited sources of energy, what would happen if energy supplies ran out, and some of the ways in which they can all help conserve energy.
Describes volcanoes and earthquakes, discusses what causes them, provides facts about eruptions and quakes around the world, and includes activities and a glossary.
Describes the cycle of day and night, provides facts about the rotation of the Earth and how animals behave during different times of the day, and includes activities and a glossary.
Explores the religion of the Norsemen, focusing on how particular gods and goddesses were part of, and honored in, the everyday lives of the Viking people.