An elementary exploration of geysers, focusing on the geological evidence that helps explain how and where they form and spotlighting famous examples, such as Yellowstone’s Old Faithful.
A basic exploration of the parts, variations, and worksites of excavators, the big digging machines. Also included is a pictorial diagram of variations of excavators.
An elementary exploration of canyons, focusing on the geological evidence that helps explain how and where they form and spotlighting famous examples, such as Arizona’s Grand Canyon.
A basic exploration of the parts, variations, and worksites of cranes, the tall moving machines. Also included is a pictorial diagram of variations of cranes.
A basic exploration of the parts, variations, and worksites of backhoes, the digging and hauling machines. Also included is a pictorial diagram of variations of backhoes.
A basic exploration of the parts, variations, and worksites of concrete mixers, the cement-mixing machines. Also included is a pictorial diagram of variations of concrete mixers.
A kindergarten-level introduction to tow trucks, covering their purpose, where they are found, their drivers, and such defining features as their booms and winches.
An elementary exploration of dire wolves, focusing on fossil evidence that helps explain how their shaggy hair, strong jaws, and sharp teeth helped these beasts adapt to the last Ice Age.
An elementary exploration of monster birds, focusing on fossil evidence that helps explain how their wide wings and long feathers helped these beasts adapt to the last Ice Age.
An elementary exploration of giant short-faced bears, focusing on fossil evidence that helps explain how their long legs and wide snouts helped these beasts adapt to the last Ice Age.
An elementary exploration of stag-moose, focusing on fossil evidence that helps explain how their wide antlers and sharp hooves helped these beasts adapt to the last Ice Age.
An elementary exploration of saber-toothed cats, focusing on fossil evidence that helps explain how their sharp, curved teeth and short legs helped these beasts adapt to the last Ice Age.
An elementary exploration of mammoths, focusing on fossil evidence that helps explain how their big tusks and shaggy fur helped these plant-eating beasts adapt to the last Ice Age.
A basic exploration of the appearance, behavior, and habitat of iguanas, the North and South American dewlapped reptiles. Also included is a story from folklore explaining why iguanas live in trees.
A high-interest introduction to the size, speed, and purpose of one of the world’s largest passenger ships, including a brief history and what the future holds for the Oasis of the Seas.
A high-interest introduction to the size, speed, and purpose of one of the world’s largest mobile machines, including a brief history and what the future holds for the Overburden Conveyor Bridge F60.
A high-interest introduction to the size, speed, and purpose of one of the world’s largest excavators, including a brief history and what the future holds for the Krupp Digging Machine.
An elementary introduction to the physics involved in the sport of soccer, including scientific concepts such as spin and friction, and actions such as dribbling and kicking.
An elementary introduction to the physics involved in the sport of volleyball, including scientific concepts such as gravity and acceleration, and actions such as bumping and spiking.
An elementary introduction to the physics involved in the sport of golf, including scientific concepts such as torque and lift, and actions such as swinging and twisting.
An elementary introduction to the physics involved in the sport of football, including scientific concepts such as mass and projectile motion, and actions such as tackling and punting.
An elementary introduction to the physics involved in the sport of basketball, including scientific concepts such as launch angles and inertia, and actions such as dribbling and shooting.
An elementary introduction to the physics involved in the sport of baseball, including scientific concepts such as momentum and trajectory, and actions such as pitching and batting.
An early reader’s introduction to the connections between the vegetables food group and staying healthy, benefits of vegetables such as carrots, nutritional concepts such as potassium, and recipe instructions.
An early reader’s introduction to the connections between the dairy food group and staying healthy, benefits of dairy products such as yogurt, nutritional concepts such as calcium, and recipe instructions.