Gases are all around us, and they're an important part of living on our planet, but some facts about gases are shocking. This engaging book takes readers on a fun-filled journey of experiments and exploration.
Each breath we take demonstrates the marvel of the human lungs and respiratory system. This accessible book gives inquisitive readers an inside look at this essential bodily function.
What makes our hearts pump? How does blood circulate throughout our bodies? Curious readers will love this innovative look at the human heart and circulatory system.
This book educates readers on a variety of ecological issues, including the problems with detergents, the big deal about green plants, and why some animals don't need energy from sunlight for photosynthesis.
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.
Readers are guided through applying the scientific method to conduct experiments, and will gain a better understanding of the basics concepts demonstrated by each experiment.