Robert E Wells

Describes the sun and how it relates to photosynthesis, gravity, nuclear fusion, and weather conditions.

Illustrates the concept of big, bigger, and biggest by comparing the physical measurements of such large things as a blue whale, a mountain, a star, and the universe.

Introduces the concepts of very large numbers, up to a googol, and multiples of ten.

A simple history about the mysteries of time and how to measure it, from sundials to quartz crystal watches and atomic clocks.