Contains descriptions and illustrations species of birds found in eastern and central North America, and includes range maps, a life list, and indexes of scientific and common names.

This extensive and long overdue work of reference covers all of the bird species, more than 400 of which have been recorded in the province of Ontario. Birds of Ontario contains an identification and description of all species, with 344 outstanding colour plates. Anyone with even a casual interest in birds will find the colour plates and informative text of considerable interest. This volume contains a list of all the birds identified in Ontario up...

Do you know what a lever is? How can a lever help you? Through simple experiments and clear explanations, understand how this simple machine functions and how it can make the work that you do easier.

We've all seen screws, but how do they work? Why is it easier to screw something into something than to simply push it in? With basic hands-on experiments and clear descriptions, this simple machine is explained.

What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental concepts, discover how you work, and how simple machines make doing work easier.

Discusses the features of the many types of galaxies, including the Milky Way, covering its size as measured in light-years, the role of black holes and dark matter in its structure, and the ways that scientists can observe galaxies throughout the universe.

Gooney Bird Greene, an entertaining second grader who introduces challenging vocabulary words and tells "absolutely true" stories, finds a surprise room mother to bring cupcakes for the Thanksgiving pageant.

Where does light come from? What do colors have to do with light? Light is a form of energy. Life on Earth is made possible because light from the sun carries heat to the earth. This book explores the essential concepts of light-photons, color, refraction, light rays and waves, etc.-through a series of easy-to-do experiments readers will enjoy doing.

"It is 1919 and Niska, an Oji-Cree medicine woman, has left her home in the bush of northern Ontario to receive Xavier Bird, her only relation who has returned from the trenches of Europe. Gravely wounded and addicted to morphine, Xavier recounts how he and his best friend, Elijah Whiskeyjack, prowled the battlefields as snipers of enormous skill and how the circumstances of their deadly craft led them to very different fates."--P. [4] of cover.

Gooney Bird Greene takes charge of a class project as she and her fellow students in Mrs. Pidgeon's second grade class learn about fables by each making up their own based on an animal that begins with the same letter as their first name.