Introduces the water cycle and its impact on Earth. Readers will gain insight into how water moves around Earth, what water is made from, and how climate change impacts the cycle.
Introduces the rock cycle and its impact on Earth. Readers will gain insight into the three basic forms of rocks, how they are formed, and how they change into each other.
Introduces the plant life cycle. Readers will gain insight into the journey from seed to plant, why plants are important to living things, and how pollution can damage plants.
Introduces the oxygen cycle and its impact on Earth. Readers will gain insight into how oxygen is created and used, what happens when it combines with other elements, and how human activities have impacted the cycle.
Introduces the cycles of seasons and their impact on Earth. Readers will gain insight into how Earth's tilt plays an important role, how the hemispheres are affected differently, and what happens when seasons are disturbed.
Introduces the cycles of the night sky. Readers will gain insight into why the night sky changes, learn about different constellations, and discover how the moon is involved.
Introduces the life cycle of animals. Readers will gain insight into different types of animals, how they grow and change, and the pattern of life and death.
