Earth science forces, including earthquakes, fossils, the Earth's spheres, the Big Bang Theory, El Nino, and the atmosphere, are presented at a level appropriate for beginners. Concepts are clarified
The Middle Ages and the Renaissance were a period of scientific and literary reawakening. This reference work describes more than 75 experiments, inventions, and discoveries of the period, as well as
This reference work describes the trial-and-error experiments, discoveries, and inventions of early humans who lived from before recorded history to the Middle Ages. Krebs travels through the ancient
Appropriate for high school and college libraries, this reference summarizes the isotopes, electron configuration, chemical and physical properties, availability, history, and common compounds of 118
What's a scientific theory? How is it different from a law or a principle? And what practical use are they? Science students, especially those new to studying the sciences, ask these questions everyd
