A basic exploration of the appearance, behavior, and habitat of bats, Earth's only flying mammals. Also included is a story from folklore explaining how bats helped shape the earth.
A basic exploration of the appearance, behavior, and habitat of bison, shaggy beasts of the plains and woods. Also included is a story from folklore explaining why bison have humps.
A basic exploration of the appearance, behavior, and habitat of eagles, Earth's most widespread birds of prey. Also included is a story from folklore explaining why people respect eagles.
A simple exploration of tornadoes, examining how these spinning storms develop, how scientists watch for them and measure their strength, and the damage "twisters" can cause.
A simple exploration of hurricanes, examining how these massive sea storms develop, how scientists watch for them and measure their strength, and the damage hurricanes can cause.
An examination of the science behind the physical phenomenon known as gravity, including relevant theories and history-making discoveries as well as topics of current and future research.
An examination of the science behind the physical phenomenon known as light, including relevant theories and history-making discoveries as well as topics of current and future research.
A prekindergarten-level introduction to elephants, covering their growth process, behaviors, the lands they call home, and such defining physical features as their trunks.
A prekindergarten-level introduction to giraffes, covering their growth process, behaviors, the lands they call home, and such defining physical features as their long necks.
A simple exploration of clouds, examining how these large masses of water vapor develop, the different forms they take at varying altitudes, and the problems clouds can cause.
An examination of the science behind the physical concepts of mass and matter, including relevant theories and history-making discoveries as well as topics of current and future research.
An examination of the science behind the physical phenomenon known as energy, including relevant theories and history-making discoveries as well as topics of current and future research.
A prekindergarten-level introduction to penguins, covering their growth process, behaviors, the coasts they call home, and such defining physical features as their flippers.
A prekindergarten-level introduction to dolphins, covering their growth process, behaviors, the oceans they call home, and such defining physical features as their fins.
A prekindergarten-level introduction to lions, covering their growth process, behaviors, the lands they call home, and such defining physical features as their manes.
A simple exploration of snow, examining how these icy flakes of precipitation develop, the ways in which snow can be used and enjoyed, and the problems snow can cause.
A simple exploration of thunderstorms, examining how these warm-weather storms develop, the relationship between lightning and thunder, and the damage thunderstorms can cause.
A look at owls, including their habitats, physical characteristics such as their large and observant eyes, behaviors, relationships with humans, and protected status in the world today.
A look at pandas, including their habitats, physical characteristics such as their black-and-white fur, behaviors, relationships with humans, and threatened status in the world today.
A look at whales, including their habitats, physical characteristics such as their streamlined bodies, behaviors, relationships with humans, and threatened status in the world today.
A look at rhinoceroses, including their habitats, physical characteristics such as their horned noses, behaviors, relationships with humans, and protected status in the world today.
An exploration of the life cycle and life span of bees, using up-close photographs and step-by-step text to follow a honeybee's growth process from egg to larva to pupa to mature insect.
An exploration of the life cycle and life span of sunflowers, using up-close photographs and step-by-step text to follow a sunflower's growth process from seed to seedling to mature plant.
An exploration of the life cycle and life span of ladybugs, using up-close photographs and step-by-step text to follow a ladybug's growth process from egg to larva to pupa to mature insect.
An exploration of the life cycle and life span of tomatoes, using up-close photographs and step-by-step text to follow a tomato's growth process from seed to seedling to mature plant.
