Virginia B. Silverstein

Explains photosynthesis, the process responsible for providing the material and energy for all living things, and discusses such related issues as respiration, the carbon cycle, acid rain, and the greenhouse effect.

"Explores 'yucky' things about the human body, including earwax, gas, bodily wastes, and more"--Provided by publisher.

"Discusses the science behind tornadoes, including how and where they form, the scientific methods to track and predict them, and tornado safety tips"--Provided by publisher.

"Gives an overview of different types of pollution, with interesting scientific and historical facts"--Provided by publisher.

Discusses the pros and cons of keeping various small pets such as chinchillas, hamsters, gerbils, and mice and examines their care, feeding, and emotional needs.

Discusses the subphylum of animals with backbones.

Describes minor health problems we all face at one time or another while teaching how all the parts of the body work together to keep you healthy most of the time.