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.


DNA

by Dr Alvin Silverstein

Published 1 September 2002

Discusses the sources and uses of different types of energy, both natural and man-made, including electrical, magnetic, light, heat, sound, and nuclear energy.

Discusses plate tectonics, the theory that the surface of the earth is always moving, and the connection of this phenomenon to earthquakes and volcanoes.

Examines the changes in the atmosphere that produce various weather phenomena and how weather patterns over a period of time determine the climates of the Earth's various regions.


Discusses the concepts of time and biological cycles, including the phases of the moon, the internal clocks of plants and animals, seasonal rhythms, and the aging process.

Discusses the three kinds of symbiosis: mutualism, commensalism, and parasitism and describes examples of these relationships.

Adaptation

by Dr Alvin Silverstein

Published 1 October 2007

Cells

by Dr Alvin Silverstein

Published 1 September 2002
A detailed presentation of the structure and function of different types of cells and of research into developing technologies such as cloning and the use of stem cells.

Discusses early theories of evolution, the work of Darwin, fossil and other evidence, and the effects of evolution on us and the future.

Explains various components of a food chain and discusses the concepts of food webs, umbrella species, biogeochemical cycles, and more.


Plate Tectonics

by Dr Alvin Silverstein

Published 1 March 2009
Discusses plate tectonics, the theory that the surface of the earth is always moving, and the connection of this phenomenon to earthquakes and volcanoes.