Johnson, Rebecca L

Discusses the tools and math strategies that scientists use to work with large numbers, explores how the strategies of estimating and rounding make large numbers easier to work with, and identifies some uses of supercomputers.

Discusses the mathematical tools and techniques that scientists use to gather, analyze and interpret data. Explains ratios, how to use them to make a scale model, and how to recognize patterns in ratio tables. Explores how scientists use sonar to map the seafloor. Teaches how to use patterns on graphs to make predictions.

scientists in teh field discovering the ancient civilizations.

Discusses how simple shapes are the building blocks of complex patterns and structures, and describes shapes that appear in objects made by people and objects made by nature.