Explains how Biologists study life, from tiny organisms to large animals, in fields such as zoology, botany, ecology, microbiology, and molecular biology, and explores how biologists' work applies to life on the planet.
"Fun pictograms and infographics about planet Earth make learning about math topics such as volume, scale diagrams, division, and number lines easy and fun. In this book, readers go on a mission to protect threatened areas around the world and use their mathematical skills to measure geysers, protect forests, and check on glaciers. Math puzzles and exercises help children build confidence in their math skills"--Provided by publishers.
Describes Rachel Carson, a 20th century marine biologist and science writer, whose work on the harmful effects of the insecticide DDT helped to raise awareness about humanity's impact on the natural world and the often-unintended consequences of scientific progress.
Uses humor in both text and illustrations to describe how antibiotics were developed and what methods were used to fight infections and disease before antibiotics were available.
"This . . . guide to the science of seafaring explores how methods of moving over the sea have changed through the centuries, from using oars and simple sails to huge nuclear powered ships. It covers how technology has allowed us to stay afloat, navigate, move through water, and survive bad weather--and even go below the surface, as in the . . . submarine"--Provided by publisher.
"Simple machines are around us all the time and we use them every day. Many are built into complex machines, but the simple machine is still in there doing its job. Discover how simple machines enable practically everything around us to work, allowing us to travel in wheeled vehicles, lift very heavy objects, put things together, and take things apart"--Provided by publisher.
"An overview for kids that describes how to stay safe online while still having fun, with ideas for keeping information private and discussion topics"--Provided by publisher.
