Earth's natural cycles are always at work. Life cycles, rock cycles, water cycles and the phases of the Moon are all natural cycles. These cycles change naturally, but humans can affect these cycles of nature. This series introduces the different cycles of nature and explains how certain things can upset their balance.
What time of year do leaves change colour? Why can't flowers grow in the snow? Track all four seasons and discover the importance of weather patterns to plant and animal life.
The sun shines bright during the day but why can't you see it at night? Follow the patterns of the Sun and the Earth to learn what causes day and night.
Zebras travel across the Kalahari Desert each spring in search of food. Whales swim to warmer water every winter. Take a journey to discover the wonders of migrating animals, including why they migrate and how far they travel.
Many animals, both big and small, sleep through the long, cold winter months. Learn the process of hibernation and the different ways animals adapt to survive in harsh climates.
From butterflies to sunflowers, each living thing follows a life cycle. Uncover the facts about both animal and plant life cycles, and learn how people's actions can affect them.
Lakes evaporate. Clouds form from condensation. Rain falls and fills rivers and lakes. Soak up facts about the water cycle and why we need to keep water clean.
All living things are made of carbon, from plants to animals to people. Breathe in the facts, and learn how people are causing big changes to the carbon cycle.
Earth's natural cycles are always at work. Rocks, water, the Moon and carbon all change naturally, but people can affect cycles too. This series introduces the steps in nature's cycles and explains how certain things can upset the balance.