Rocks and minerals are natural resources found in Earth. They are used as fuel, for building, and to make items sush as smartphones. Some minerals, including gold and silver, are prized for… More →
Science
348 records found. Displaying 97 - 108.
Water is essential to life. Some parts of the world have too little water, while floods happen in other places. Fresh water for drinking is being threatened by pollution and disease. Find out More →
Wood grows all around the world, and we use it every day. People have been using wood throughout history to make tools and shelter, as a fuel, and to make paper. Find out about different… More →
Hydroelectricity is energy derived from the power of water in motion. Harnessing energy from water provides clean, available power that does not release harmful chemicals or carbons into the… More →
While it may not be as simple as pouring water into a gas tank, water, or at least the hydrogen that makes up water, will one day become a significant source of energy. In this important new… More →
From compost bins to woodpiles, North American animals make their homes in some unusual places. In a Backyard explores the sheds and treetops of our backyards, revealing the hideaways of… More →
From fluttering bats in the attic to silverfish in the bathroom, our homes are like an indoor zoo. Through photographs, illustrations, and easy-to-read text, In a House takes a peek under… More →
Children will enjoy this entertaining book which uses the principles of Makerspace to introduce them to the inclined plane, or ramp. Simple text describes the structure and uses of inclined… More →
From squawking birds of paradise to monkeys swinging through the trees and insects crawling along the forest floor, be amazed by the variety of life that lives in a rain forest. More →
Imagine a world where you had to write letters, mail them at the post office, and wait a week or two for a response. You might not realize that there was once a world without your favorite… More →
Imagine a time when video games did not exist! You might not realize that there was once a world without your favorite entertainment forms. From games and music to electronic television and… More →
You might not realize that there was once a world without microwaves, umbrellas, or elevators! That's a lot of cold food, wet clothing, and stairs! Luckily, some innovative people have solved More →