Showing results for "Cycles" in Science & Technology

From butterflies to sunflowers, each living thing follows a life cycle. Uncover the facts of both animal and plant life cycles, and learn how people's actions can impact them.

The water cycle is like a circle.

How long do butterflies live? What are baby frogs called? Listeners will learn the answers to these questions and more in this engaging series about the life cycles of different animals. This series about animals growing up is a great choice for growing listeners!

Have you ever heard of a bird that lays its eggs on the ground instead of in a nest? What about a bird that lays eggs in other birds' nests? Young listeners will learn all about killdeers, cuckoo birds, and other birds with unusual life cycles.

Have you ever heard of a reptile that spends most of its life in an egg? What about a reptile that has to lay its eggs on the same beach where it was hatched? Young listeners will learn all about Madagascar chameleons, sea turtles, and other reptiles with unusual life cycles.

Have you ever heard of an invertebrate that spends its whole life inside another animal? What about a beetle that spends most of its life underground? Young listeners will learn all about lancet flukes, Hercules beetles, and other invertebrates with unusual life cycles.

Have you ever heard of a male fish that carries eggs? What about a fish that gives birth to live young? Young listeners will learn about seahorses, guppies, and other fish with unusual life cycles.

Have you ever heard of a frog that freezes solid in winter? What about a toad that carries its eggs on its back? Young listeners will learn all about wood frogs, Suriname toads, and other amphibians with unusual life cycles.

Zoom! Who needs four wheels when two wheels can be so much fun? While street motorcycles zoom around cities, dirt bikes fly over jumps and twist around dirt trails. Young listeners will find out about the types of motorcycles, their main parts, and why these vehicles are so popular.

Hi, there! I'm an emperor penguin. I might be the largest penguin on Earth, but I started life much smaller, just like you! Learn more about my life cycle and how I went from an egg to the king of Antarctica.

Hi, there! I'm a monarch butterfly. You’ve probably seen me fluttering around, but have you ever stopped to think about where I came from? Learn more about my life cycle and how I went from a tiny little caterpillar to a beautiful butterfly.

¡Hola! Soy una mariposa monarca. Seguramente me has visto revoloteando por ahí, pero ¿te has puesto a pensar de dónde vengo? Aprende más sobre el ciclo de mi vida desde oruguita chiquita hasta bella mariposa.

Carbon is everywhere. It is constantly moving between the air, water, rocks, and living things. But did you know that none of these things would exist without the carbon cycle? Or that humans have caused the carbon cycle to be out of balance? Learn more about the carbon cycle in this fascinating book.

Have you ever heard of a mammal that lays eggs? What about a mammal that can give birth to 50 babies at once? Young listeners learn all about echidnas, Tasmanian devils, and other mammals with unusual life cycles.

The monarch is perhaps the best known of all North American butterflies. Young listeners will learn about the monarch's cycles, from eggs, to larva stage, to pupa stage, to becoming the adult butterfly.

Flowering plants, cone-bearing plants, ferns, and mosses make up the four main plant groups. But did you know that each of these groups has a different life cycle? Or that some plants reproduce with seeds and others reproduce with spores? This fascinating book investigates the life cycles of each of the four main plant groups.

Water is essential to life on our planet. Water is constantly moving between Earth's surface, the air, and the ground. But did you know that water cannot be created or destroyed? Or that water is not only a liquid but also a solid and a gas? Learn about the water cycle in this fascinating book.

Insects, fish, reptiles, birds, amphibians, and mammals make up the six main animal groups. But did you know that each of these groups has a different life cycle? Or that each group has specific stages of growth? This fascinating book investigates the life cycle of each animal group.

Igneous rocks, sedimentary rocks, and metamorphic rocks make up the three main types of rocks. But did you know that rocks are constantly being created, destroyed, and created again? Or that rocks are changed by weather, erosion, heat, and pressure? Hear about the rock cycle in action in this fascinating book.

From lakes, to clouds, to rain that falls back to Earth - discover how water changes through various processes to form the water cycle.