Duke, Shirley

Explores the tundra ecosystem through the seasons.

Baseball requires speed, strength, dexterity, skill, endurance, and much more. Excelling in Baseball examines how players can set goals, practice in the off-season, improve nutrition, and find coaching that will help them develop. With information from professional players, young players can learn how to improve and make the team.

Introduces electromagnetic and mechanical waves, discussing the properties of waves, the electromagnetic spectrum, and vibrations.

"The ocean holds the largest of Earth's biomes. It covers 70% of the planet's surface. Life in the ocean is diverse. From the smallest creatures that call the ocean home to the largest creature in the ocean, the blue whale."--From cover.

"Grassland biomes are unaltered areas of land where grass is the dominant plant life, as opposed to other terrestrial biomes where trees occupy most of the land surface. They are inhabited by grazing mammals, ground-nesting birds, insects, and a few species of reptiles."--From cover.

"Estuaries and the lands surrounding them are places of transition from land to sea, and from fresh water to salt water. Estuaries are protected from the full force of ocean waves, winds, and storms by the reefs, barrier islands, or fingers of land, mud or sand that define an estuary's seaweed boundary"--From cover.

"Deserts cover about one fifth of our planet, and are caused by extremely low rainfall over an area. These biomes are nonetheless home to many plants and animals which have, through the course of their evolution, adapted to this dry environment."--From cover.

"In the far-north latitudes, just below the treeless tundra of the polar region, a forest of evergreen trees encircles the earth. This is the boreal forest, and it is the biggest terrestrial ecosystem in the world"--From cover.

Introduces jobs with animals, from the zookeeper who looks after the animals, a veterinarian who gives shots and performs surgery on injured animals, to the engineer who designs better cages or habitats for animals.

Sound engineers, technicians, and acoustic engineers are just a few of the ways you can contribute to the music industry without ever picking up an instrument.