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 basic exploration of the appearance, behavior, and habitat of sloths, the slow-moving, tree-dwelling mammals. Also included is a story from folklore explaining why sloths do not build nests.
A basic exploration of the appearance, behavior, and habitat of manatees, the aquatic relatives of dugongs. Also included is a story from folklore explaining why manatees are associated with mermaids.
A basic exploration of the appearance, behavior, and habitat of armadillos, the distinctively armored American mammals. Also included is a story from folklore explaining how armadillos became musical.
A basic exploration of the appearance, behavior, and habitat of foxes, the widespread members of the dog family. Also included is a story from folklore explaining how foxes can outsmart other animals.
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.
A primer on the basic dos and don’ts of fishing, including tips on finding and accessing new fishing spots, advice on how to avoid polluted waters, and instructions for making a creel.
A primer on the basic dos and don’ts of fishing, including tips on choosing a proper rod and reel, advice on how to land a catch, and instructions for making a landing net.
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.
A primer on the basic dos and don’ts of fishing, including tips on the best times to go fishing, advice on how to prepare for a fishing outing, and instructions for making a bug lure.
A primer on the basic dos and don’ts of fishing, including tips on where to find certain species, information on how a fish’s anatomical makeup helps it avoid getting hooked, and instructions for cleaning a catch.
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 high-interest inquiry into the possible existence of Scotland’s water-dwelling Loch Ness Monster, emphasizing reported sightings and stories as well as scientific investigations.
A basic exploration of the appearance, behavior, and habitat of raccoons, the ring-tailed North American mammals. Also included is a story from folklore explaining why raccoons have masked faces.
A basic exploration of the appearance, behavior, and habitat of meerkats, the African mammals that live in mobs. Also included is a story from folklore explaining why meerkats are always on the lookout.
A basic exploration of the appearance, behavior, and habitat of storks, Earth’s big wading birds. Also included is a story from folklore explaining why marabou storks have featherless heads.
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 basic exploration of the appearance, behavior, and habitat of bighorn sheep, the wild sheep of North America. Also included is a story from folklore explaining how the animals got their curly horns.
A basic exploration of the appearance, behavior, and habitat of jellyfish, the bell-shaped, oceanic invertebrates. Also included is a story from folklore explaining why jellyfish have squishy bodies.
A basic exploration of the appearance, behavior, and habitat of crabs, the widespread shelled crustaceans. Also included is a story from folklore explaining why crabs look as though they are headless.
